{"$schema": "https://iptc.org/std/ninjs/ninjs-schema_3.2.json", "uri": "urn:newsml:wireva.mib.news:story:ad8c1054-a0a2-4f5c-afd4-94a683730ab9", "type": "composite", "version": "1", "versioncreated": "2026-11-05T20:45:11.082888Z", "firstcreated": "2026-11-05T20:45:11.082888Z", "pubstatus": "usable", "language": "en", "headline": "Siberian tomb holds 2,800-year-old evidence of cannabis use", "description_text": "Researchers excavating a royal burial mound in southern Siberia found nearly 1,000 cannabis seeds and human hair containing psychoactive compounds, the earliest definitive evidence of drug use from cannabis.", "associations": {"item-0": {"$schema": "https://iptc.org/std/ninjs/ninjs-schema_3.2.json", "uri": "urn:newsml:wireva.mib.news:item:d21d69a8-1d65-4972-a70f-55644cf8e49f", "type": "text", "profile": "standard", "version": "1", "versioncreated": "2026-11-05T20:45:37.445678Z", "firstcreated": "2026-11-05T20:45:11.082888Z", "pubstatus": "usable", "urgency": 5, "language": "en", "headline": "Siberian tomb holds 2,800-year-old evidence of cannabis use", "byline": "Jordan Quincy", "located": "United States", "copyrightholder": "Haydamax OÜ", "copyrightnotice": "Wireva / Science Official", "usageterms": "Subscribers may republish this item in full, including translation and trimming, with the credit “Wireva / Science Official”. Set rel=canonical to https://scienceofficial.org/archaeology/siberian-tomb-holds-2800-year-old-evidence-of-cannabis-use/ when publishing on the web.", "description_text": "Researchers excavating a royal burial mound in southern Siberia found nearly 1,000 cannabis seeds and human hair containing psychoactive compounds, the earliest definitive evidence of drug use from cannabis.", "altids": {"mosaic": "d21d69a8-1d65-4972-a70f-55644cf8e49f", "story": "ad8c1054-a0a2-4f5c-afd4-94a683730ab9", "slug": "siberian-tomb-holds-2800-year-old-evidence-of-cannabis-use"}, "subject": [{"name": "Science", "rel": "direct", "literal": "science", "code": "medtop:13000000", "scheme": "http://cv.iptc.org/newscodes/mediatopic/", "uri": "http://cv.iptc.org/newscodes/mediatopic/13000000"}], "place": [{"name": "United States", "literal": "us", "code": "US", "scheme": "http://cv.iptc.org/newscodes/countrycodes/"}], "person": [], "organisation": [], "genre": [{"name": "Standard story", "literal": "standard"}], "service": [{"name": "Wireva", "literal": "wireva"}], "associations": {"featuremedia": {"uri": "urn:newsml:wireva.mib.news:media:006abb60-afc9-460a-9c0b-2ffb4675d00b", "type": "picture", "version": "1", "pubstatus": "usable", "headline": "Tomb in Siberia reveals humans were using cannabis 2800 years ago", "description_text": "Siberian tomb holds 2,800-year-old evidence of cannabis use", "copyrightholder": "newscientist.com", "copyrightnotice": "Tomb in Siberia reveals humans were using cannabis 2800 years ago", "usageterms": "Picture belongs to the source publication: address and terms are delivered, the file is not.", "altids": {"wireva": "006abb60-afc9-460a-9c0b-2ffb4675d00b"}, "extra": {"wireva:delivery_mode": "link_only", "wireva:rights": {"licence": "", "licence_url": "", "licence_raw": "RSS source", "licence_verified_at": "2026-11-05T20:45:37.537080Z", "attribution_required": true, "attribution_text": "Tomb in Siberia reveals humans were using cannabis 2800 years ago", "redistribution_allowed": false, "commercial_use_allowed": false, "modifications_allowed": false, "share_alike_required": false}, "wireva:provenance": {"creator": "", "source_name": "newscientist.com", "source_url": "https://www.newscientist.com/wp-content/uploads/2026/11/SEI_319523390.jpg", "source_page_url": "https://www.newscientist.com/wp-content/uploads/2026/11/SEI_319523390.jpg", "our_page_url": "https://scienceofficial.org/archaeology/siberian-tomb-holds-2800-year-old-evidence-of-cannabis-use/"}, "wireva:role": "lead"}, "renditions": {"source": {"href": "https://www.newscientist.com/wp-content/uploads/2026/11/SEI_319523390.jpg", "mimetype": "image/jpeg"}}}}, "extra": {"wireva:story": {"uri": "urn:newsml:wireva.mib.news:story:ad8c1054-a0a2-4f5c-afd4-94a683730ab9", "slug": "siberian-tomb-holds-2800-year-old-evidence-of-cannabis-use-20261105", "status": "developing", "languages": ["en"], "item_count": 1, "is_breaking": false}, "wireva:rights": {"class": "agency_original", "redistribution_allowed": true, "commercial_use_allowed": true, "modifications_allowed": true, "share_alike_required": false, "attribution_required": true, "attribution_text": "Wireva / Science Official", "canonical_required": true, "canonical_url": "https://scienceofficial.org/archaeology/siberian-tomb-holds-2800-year-old-evidence-of-cannabis-use/", "linkback_required": true, "licence": "Wireva subscriber licence", "licence_url": "", "licensor": "Haydamax OÜ", "valid_until": null, "excerpt_max_chars": 0, "decided_by_rule": "agency_original_unassessed_allow", "needs_review": true}, "wireva:provenance": {"production_method": "automated", "ai_stages": {"editing": true, "drafting": true, "headline": true, "discovery": true, "classification": true, "image_selection": true, "source_collection": true, "cross_source_comparison": true}, "model": "", "human_reviewed": false, "reviewed_by": "", "reviewed_at": null, "editorial_control": true, "editorial_responsibility": "Haydamax OÜ (Wireva)", "factchecked": false, "verification_status": "multi_source", "independent_confirmations": 1, "official_source_used": false, "used_press_release": false, "public_interest": false, "ai_disclosure_required": false, "ai_disclosure_text": "", "independence_check": {"status": "not_assessed", "score": 0.0, "checked_at": "2026-11-05T20:45:37.524927Z"}, "sources": [{"url": "https://www.newscientist.com/article/2597653-tomb-in-siberia-reveals-humans-were-using-cannabis-2800-years-ago/?utm_campaign=RSS|NSNS&utm_content=home&utm_medium=RSS&utm_source=NSNS", "title": "2,800-year-old tomb in Siberia has evidence of the earliest use of cannabis — possibly as a way to calm human sacrifice victims", "publisher": "newscientist.com", "type": "rss", "role": "primary", "official": false, "retrieved_at": "2026-11-05T20:45:37.474720Z", "published_at": "2026-11-05T18:56:13Z"}, {"url": "https://www.livescience.com/archaeology/2-800-year-old-tomb-in-siberia-has-evidence-of-the-earliest-use-of-cannabis-possibly-as-a-way-to-calm-human-sacrifice-victims", "title": "", "publisher": "livescience.com", "type": "rss", "role": "supporting", "official": false, "retrieved_at": "2026-11-05T20:45:37.463098Z", "published_at": null}]}, "wireva:publication": {"name": "Science Official", "domain": "scienceofficial.org", "country": "US", "url": "https://scienceofficial.org/archaeology/siberian-tomb-holds-2800-year-old-evidence-of-cannabis-use/"}, "wireva:links": {"self": "https://wireva.mib.news/api/v1/items/d21d69a8-1d65-4972-a70f-55644cf8e49f", "html": "https://wireva.mib.news/item/d21d69a8-1d65-4972-a70f-55644cf8e49f/siberian-tomb-holds-2800-year-old-evidence-of-cannabis-use/", "story": "https://wireva.mib.news/story/siberian-tomb-holds-2800-year-old-evidence-of-cannabis-use-20261105/"}, "wireva:metrics": {"word_count": 253, "char_count": 1597, "reading_time_seconds": 114}}}}, "extra": {"wireva:languages": ["en"], "wireva:status": "developing", "wireva:item_count": 1}}