{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:OMIZHKQ533GP2YGQL762PKIJAD","short_pith_number":"pith:OMIZHKQ5","canonical_record":{"source":{"id":"2012.13627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-12-25T20:38:02Z","cross_cats_sorted":[],"title_canon_sha256":"026ce91173baf86a7db6036dc6a7f82377a44a1f5e9a049492909e49ff7e43d8","abstract_canon_sha256":"f888c235b877825996a836f7ee98a20cfe00d35bc03e4b495db6fd84674e31fa"},"schema_version":"1.0"},"canonical_sha256":"731193aa1ddeccfd60d05ffda7a90900d4f3a931743860709d8e758072dfa97b","source":{"kind":"arxiv","id":"2012.13627","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.13627","created_at":"2026-07-05T02:25:32Z"},{"alias_kind":"arxiv_version","alias_value":"2012.13627v1","created_at":"2026-07-05T02:25:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.13627","created_at":"2026-07-05T02:25:32Z"},{"alias_kind":"pith_short_12","alias_value":"OMIZHKQ533GP","created_at":"2026-07-05T02:25:32Z"},{"alias_kind":"pith_short_16","alias_value":"OMIZHKQ533GP2YGQ","created_at":"2026-07-05T02:25:32Z"},{"alias_kind":"pith_short_8","alias_value":"OMIZHKQ5","created_at":"2026-07-05T02:25:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:OMIZHKQ533GP2YGQL762PKIJAD","target":"record","payload":{"canonical_record":{"source":{"id":"2012.13627","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-12-25T20:38:02Z","cross_cats_sorted":[],"title_canon_sha256":"026ce91173baf86a7db6036dc6a7f82377a44a1f5e9a049492909e49ff7e43d8","abstract_canon_sha256":"f888c235b877825996a836f7ee98a20cfe00d35bc03e4b495db6fd84674e31fa"},"schema_version":"1.0"},"canonical_sha256":"731193aa1ddeccfd60d05ffda7a90900d4f3a931743860709d8e758072dfa97b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T02:25:32.878734Z","signature_b64":"VTZjAI9qZuQFimemQ057CUW5s0M/9PIDIO4jfn0RrvknnxpAFt+F4bdHgwT2jJQ/tyndk2XfA1dXgzg9xigvAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"731193aa1ddeccfd60d05ffda7a90900d4f3a931743860709d8e758072dfa97b","last_reissued_at":"2026-07-05T02:25:32.878243Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T02:25:32.878243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2012.13627","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:25:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"64upCn2K7poJlaL2Y8DAuhqGfnGg37yMq3dqcm23pJZSXmNzSIuex7NY8tZOWTnS0oewn5U0KdwMYw93z9SzBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T10:34:15.448012Z"},"content_sha256":"9c66a821d5d401466dd1dde3dcadf38c93998df0f22652654cce6b2f452125af","schema_version":"1.0","event_id":"sha256:9c66a821d5d401466dd1dde3dcadf38c93998df0f22652654cce6b2f452125af"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:OMIZHKQ533GP2YGQL762PKIJAD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Superconductivity to 262 kelvin via catalyzed hydrogenation of yttrium at high pressures","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.supr-con","authors_text":"Ashkan Salamat, Elliot Snider, Eva Zurek, Keith V. Lawler, Nathan Dasenbrock-Gammon, Noah Meyers, Ranga Dias, Raymond McBride, Xiaoyu Wang","submitted_at":"2020-12-25T20:38:02Z","abstract_excerpt":"Room temperature superconductivity has been achieved under high pressure in an organically derived carbonaceous sulfur hydride with a critical superconducting transition temperature (Tc) of 288 kelvin. This development is part of a new class of dense, hydrogen rich materials with remarkably high critical temperatures. Metal superhydrides are a subclass of these materials that provide a different and potentially more promising route to very high Tc superconductivity. The most promising binary metal superhydrides contain alkaline or rare earth elements, and recent experimental observations of La"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.13627","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2012.13627/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T02:25:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yF5m/RinsjI9PrWWe1nidy65h2iXKLXfMoPo05EyXbXFQCueiBbN/vV/UotxvKSGomgkCUCzK0UQxnarm2gRBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T10:34:15.448721Z"},"content_sha256":"ff2178de0a26bfaa36e55661b9c16c4692081637f8390a310f7418849499a1f6","schema_version":"1.0","event_id":"sha256:ff2178de0a26bfaa36e55661b9c16c4692081637f8390a310f7418849499a1f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/OMIZHKQ533GP2YGQL762PKIJAD/bundle.json","state_url":"https://pith.science/pith/OMIZHKQ533GP2YGQL762PKIJAD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/OMIZHKQ533GP2YGQL762PKIJAD/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-07-05T10:34:15Z","links":{"resolver":"https://pith.science/pith/OMIZHKQ533GP2YGQL762PKIJAD","bundle":"https://pith.science/pith/OMIZHKQ533GP2YGQL762PKIJAD/bundle.json","state":"https://pith.science/pith/OMIZHKQ533GP2YGQL762PKIJAD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/OMIZHKQ533GP2YGQL762PKIJAD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:OMIZHKQ533GP2YGQL762PKIJAD","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"f888c235b877825996a836f7ee98a20cfe00d35bc03e4b495db6fd84674e31fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-12-25T20:38:02Z","title_canon_sha256":"026ce91173baf86a7db6036dc6a7f82377a44a1f5e9a049492909e49ff7e43d8"},"schema_version":"1.0","source":{"id":"2012.13627","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2012.13627","created_at":"2026-07-05T02:25:32Z"},{"alias_kind":"arxiv_version","alias_value":"2012.13627v1","created_at":"2026-07-05T02:25:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2012.13627","created_at":"2026-07-05T02:25:32Z"},{"alias_kind":"pith_short_12","alias_value":"OMIZHKQ533GP","created_at":"2026-07-05T02:25:32Z"},{"alias_kind":"pith_short_16","alias_value":"OMIZHKQ533GP2YGQ","created_at":"2026-07-05T02:25:32Z"},{"alias_kind":"pith_short_8","alias_value":"OMIZHKQ5","created_at":"2026-07-05T02:25:32Z"}],"graph_snapshots":[{"event_id":"sha256:ff2178de0a26bfaa36e55661b9c16c4692081637f8390a310f7418849499a1f6","target":"graph","created_at":"2026-07-05T02:25:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2012.13627/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Room temperature superconductivity has been achieved under high pressure in an organically derived carbonaceous sulfur hydride with a critical superconducting transition temperature (Tc) of 288 kelvin. This development is part of a new class of dense, hydrogen rich materials with remarkably high critical temperatures. Metal superhydrides are a subclass of these materials that provide a different and potentially more promising route to very high Tc superconductivity. The most promising binary metal superhydrides contain alkaline or rare earth elements, and recent experimental observations of La","authors_text":"Ashkan Salamat, Elliot Snider, Eva Zurek, Keith V. Lawler, Nathan Dasenbrock-Gammon, Noah Meyers, Ranga Dias, Raymond McBride, Xiaoyu Wang","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-12-25T20:38:02Z","title":"Superconductivity to 262 kelvin via catalyzed hydrogenation of yttrium at high pressures"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2012.13627","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:9c66a821d5d401466dd1dde3dcadf38c93998df0f22652654cce6b2f452125af","target":"record","created_at":"2026-07-05T02:25:32Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"f888c235b877825996a836f7ee98a20cfe00d35bc03e4b495db6fd84674e31fa","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.supr-con","submitted_at":"2020-12-25T20:38:02Z","title_canon_sha256":"026ce91173baf86a7db6036dc6a7f82377a44a1f5e9a049492909e49ff7e43d8"},"schema_version":"1.0","source":{"id":"2012.13627","kind":"arxiv","version":1}},"canonical_sha256":"731193aa1ddeccfd60d05ffda7a90900d4f3a931743860709d8e758072dfa97b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"731193aa1ddeccfd60d05ffda7a90900d4f3a931743860709d8e758072dfa97b","first_computed_at":"2026-07-05T02:25:32.878243Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T02:25:32.878243Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VTZjAI9qZuQFimemQ057CUW5s0M/9PIDIO4jfn0RrvknnxpAFt+F4bdHgwT2jJQ/tyndk2XfA1dXgzg9xigvAw==","signature_status":"signed_v1","signed_at":"2026-07-05T02:25:32.878734Z","signed_message":"canonical_sha256_bytes"},"source_id":"2012.13627","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9c66a821d5d401466dd1dde3dcadf38c93998df0f22652654cce6b2f452125af","sha256:ff2178de0a26bfaa36e55661b9c16c4692081637f8390a310f7418849499a1f6"],"state_sha256":"ba388d1e181eed2c88477f32964e7fdee132c6a8221f0f98fdcf7b7ae65019b4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aJoo+LBX0pP6Fbw1uw6tHMWPiqCozAvdBjPjMBPu8oyvAgL0ZSe7l+GTLq1svQUIoA2AnnZS7t+spxwo5R+QDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T10:34:15.452285Z","bundle_sha256":"9d30989b73111105076e88fe073584addb3695091db8b4b8141a0b95f2e59501"}}