{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:IJGPV3JRC44MZITFTZE3LGFKVE","short_pith_number":"pith:IJGPV3JR","canonical_record":{"source":{"id":"1001.1996","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2010-01-12T16:09:43Z","cross_cats_sorted":["physics.soc-ph","quant-ph"],"title_canon_sha256":"2b930a2c57e776368eac68a8f555836879c9160b6b4528c86e5a3bd7991f96c2","abstract_canon_sha256":"faaed4387b084d4ecc44a5a8d062530aaa76f1ef5d0ca96906649568a59c4808"},"schema_version":"1.0"},"canonical_sha256":"424cfaed311738cca2659e49b598aaa90ee35935fe9da98bf4650d62b3ff04b6","source":{"kind":"arxiv","id":"1001.1996","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.1996","created_at":"2026-05-18T04:41:36Z"},{"alias_kind":"arxiv_version","alias_value":"1001.1996v1","created_at":"2026-05-18T04:41:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1996","created_at":"2026-05-18T04:41:36Z"},{"alias_kind":"pith_short_12","alias_value":"IJGPV3JRC44M","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IJGPV3JRC44MZITF","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IJGPV3JR","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:IJGPV3JRC44MZITFTZE3LGFKVE","target":"record","payload":{"canonical_record":{"source":{"id":"1001.1996","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2010-01-12T16:09:43Z","cross_cats_sorted":["physics.soc-ph","quant-ph"],"title_canon_sha256":"2b930a2c57e776368eac68a8f555836879c9160b6b4528c86e5a3bd7991f96c2","abstract_canon_sha256":"faaed4387b084d4ecc44a5a8d062530aaa76f1ef5d0ca96906649568a59c4808"},"schema_version":"1.0"},"canonical_sha256":"424cfaed311738cca2659e49b598aaa90ee35935fe9da98bf4650d62b3ff04b6","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:41:36.727975Z","signature_b64":"PZLUb87PMN+RHuHls1YwXlIcU4KKmZG6h6YdSUBD0wBrZTu6bREACAAgrnfC6OBM2bgg2EMDT7BQi8Ti6umdCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"424cfaed311738cca2659e49b598aaa90ee35935fe9da98bf4650d62b3ff04b6","last_reissued_at":"2026-05-18T04:41:36.727537Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:41:36.727537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.1996","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":"2026-05-18T04:41:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"avsbuQn98+jOLbtHMFlU7UbBRgpFhv9wdFETpGqmgZi5KndfGyyd0j0UhglY2rNmpOFQ49NqkhYEKyC6q/ZICQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T19:01:11.181183Z"},"content_sha256":"f81d8423558ed26bc144279bab7a3852f9ffd73222b42f118936969cd7147e6a","schema_version":"1.0","event_id":"sha256:f81d8423558ed26bc144279bab7a3852f9ffd73222b42f118936969cd7147e6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:IJGPV3JRC44MZITFTZE3LGFKVE","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantum imaging: Scattered observations on \"Copenhagen\"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["physics.soc-ph","quant-ph"],"primary_cat":"physics.pop-ph","authors_text":"Adrian Kent","submitted_at":"2010-01-12T16:09:43Z","abstract_excerpt":"Remarks on Michael Frayn's play \"Copenhagen\"."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1996","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":""},"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":"2026-05-18T04:41:36Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pF7FJ7sEU5pTuu7mL44Irp0n8owKl+hQ0gw7YvNdeE+FrMPN1aY3yHZnePo1UfUCdwVY5hTkYJAR1++Z3x7FDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-19T19:01:11.181534Z"},"content_sha256":"7cb64261951f4ccd210d7dbca11bbbd3aed6639f4b8e3635a98e6f86386236f8","schema_version":"1.0","event_id":"sha256:7cb64261951f4ccd210d7dbca11bbbd3aed6639f4b8e3635a98e6f86386236f8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IJGPV3JRC44MZITFTZE3LGFKVE/bundle.json","state_url":"https://pith.science/pith/IJGPV3JRC44MZITFTZE3LGFKVE/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IJGPV3JRC44MZITFTZE3LGFKVE/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":"2026-05-19T19:01:11Z","links":{"resolver":"https://pith.science/pith/IJGPV3JRC44MZITFTZE3LGFKVE","bundle":"https://pith.science/pith/IJGPV3JRC44MZITFTZE3LGFKVE/bundle.json","state":"https://pith.science/pith/IJGPV3JRC44MZITFTZE3LGFKVE/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IJGPV3JRC44MZITFTZE3LGFKVE/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:IJGPV3JRC44MZITFTZE3LGFKVE","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":"faaed4387b084d4ecc44a5a8d062530aaa76f1ef5d0ca96906649568a59c4808","cross_cats_sorted":["physics.soc-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2010-01-12T16:09:43Z","title_canon_sha256":"2b930a2c57e776368eac68a8f555836879c9160b6b4528c86e5a3bd7991f96c2"},"schema_version":"1.0","source":{"id":"1001.1996","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.1996","created_at":"2026-05-18T04:41:36Z"},{"alias_kind":"arxiv_version","alias_value":"1001.1996v1","created_at":"2026-05-18T04:41:36Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.1996","created_at":"2026-05-18T04:41:36Z"},{"alias_kind":"pith_short_12","alias_value":"IJGPV3JRC44M","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"IJGPV3JRC44MZITF","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"IJGPV3JR","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:7cb64261951f4ccd210d7dbca11bbbd3aed6639f4b8e3635a98e6f86386236f8","target":"graph","created_at":"2026-05-18T04:41:36Z","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"},"paper":{"abstract_excerpt":"Remarks on Michael Frayn's play \"Copenhagen\".","authors_text":"Adrian Kent","cross_cats":["physics.soc-ph","quant-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2010-01-12T16:09:43Z","title":"Quantum imaging: Scattered observations on \"Copenhagen\""},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.1996","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:f81d8423558ed26bc144279bab7a3852f9ffd73222b42f118936969cd7147e6a","target":"record","created_at":"2026-05-18T04:41:36Z","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":"faaed4387b084d4ecc44a5a8d062530aaa76f1ef5d0ca96906649568a59c4808","cross_cats_sorted":["physics.soc-ph","quant-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.pop-ph","submitted_at":"2010-01-12T16:09:43Z","title_canon_sha256":"2b930a2c57e776368eac68a8f555836879c9160b6b4528c86e5a3bd7991f96c2"},"schema_version":"1.0","source":{"id":"1001.1996","kind":"arxiv","version":1}},"canonical_sha256":"424cfaed311738cca2659e49b598aaa90ee35935fe9da98bf4650d62b3ff04b6","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"424cfaed311738cca2659e49b598aaa90ee35935fe9da98bf4650d62b3ff04b6","first_computed_at":"2026-05-18T04:41:36.727537Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:41:36.727537Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"PZLUb87PMN+RHuHls1YwXlIcU4KKmZG6h6YdSUBD0wBrZTu6bREACAAgrnfC6OBM2bgg2EMDT7BQi8Ti6umdCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:41:36.727975Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.1996","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f81d8423558ed26bc144279bab7a3852f9ffd73222b42f118936969cd7147e6a","sha256:7cb64261951f4ccd210d7dbca11bbbd3aed6639f4b8e3635a98e6f86386236f8"],"state_sha256":"58e4ff8ceb5141bb7827cf06d41450f048074b9cc964bd75fb30d62d0d1ea1df"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"muoCdlJWIP+hMwVePg2AceWWbUflyEd5mZcHPpxunoQhJphOAvvQV4V0RcCYsVMQbfHtErYfCH6FWQPXxpS4AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-19T19:01:11.183428Z","bundle_sha256":"937974b61aa4c27aafe6ab6644ed1837ea3fb2ef0a7403cf750603cc09b23091"}}