{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:SYW43KB7MAKWH5J3WVYWX7Q5Q4","short_pith_number":"pith:SYW43KB7","canonical_record":{"source":{"id":"gr-qc/0205066","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2002-05-16T03:05:41Z","cross_cats_sorted":[],"title_canon_sha256":"0a2655673009fc858f70722a887efe749b789ae39de606c9f7cd62fdff149e7d","abstract_canon_sha256":"c8090c6f86f8ed777ae34c23fbca492a623fce3d851302339f06c1c09983331c"},"schema_version":"1.0"},"canonical_sha256":"962dcda83f601563f53bb5716bfe1d873fa2d61f46d6faac22e491c0e05e833f","source":{"kind":"arxiv","id":"gr-qc/0205066","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0205066","created_at":"2026-05-18T02:37:35Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0205066v1","created_at":"2026-05-18T02:37:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0205066","created_at":"2026-05-18T02:37:35Z"},{"alias_kind":"pith_short_12","alias_value":"SYW43KB7MAKW","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"SYW43KB7MAKWH5J3","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"SYW43KB7","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:SYW43KB7MAKWH5J3WVYWX7Q5Q4","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0205066","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"gr-qc","submitted_at":"2002-05-16T03:05:41Z","cross_cats_sorted":[],"title_canon_sha256":"0a2655673009fc858f70722a887efe749b789ae39de606c9f7cd62fdff149e7d","abstract_canon_sha256":"c8090c6f86f8ed777ae34c23fbca492a623fce3d851302339f06c1c09983331c"},"schema_version":"1.0"},"canonical_sha256":"962dcda83f601563f53bb5716bfe1d873fa2d61f46d6faac22e491c0e05e833f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:37:35.677396Z","signature_b64":"JBcRwCZWKFNDgEOv8EPVLDJfybHx6n7A+uQ8/Dk71koYJ4UMtBX3wp1yFLETdneMJiK51vbXZ2hX1TbNodP/Cw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"962dcda83f601563f53bb5716bfe1d873fa2d61f46d6faac22e491c0e05e833f","last_reissued_at":"2026-05-18T02:37:35.676959Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:37:35.676959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0205066","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":"2026-05-18T02:37:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wb1cNCdexdx1CoCZUjeG7DYEAXP8Ax9Vbr/VlFHyYGlQ6O69t5U58QOJmWbjEnmCJ671k01HJWbvEilHCCPmAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:30:35.677909Z"},"content_sha256":"7da86c60d5c9b6af50b31ab6f1ab69f11683aad2d5e0cb41a04579b6cfefb69c","schema_version":"1.0","event_id":"sha256:7da86c60d5c9b6af50b31ab6f1ab69f11683aad2d5e0cb41a04579b6cfefb69c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:SYW43KB7MAKWH5J3WVYWX7Q5Q4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Twilight for the energy conditions?","license":"","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Carlos Barcelo (Portsmouth, Matt Visser (Washington University in Saint Louis), UK)","submitted_at":"2002-05-16T03:05:41Z","abstract_excerpt":"The tension, if not outright inconsistency, between quantum physics and general relativity is one of the great problems facing physics at the turn of the millennium. Most often, the problems arising in merging Einstein gravity and quantum physics are viewed as Planck scale issues (10^{19} GeV, 10^{-34} m, 10^{-45} s), and so safely beyond the reach of experiment. However, over the last few years it has become increasingly obvious that the difficulties are more widespread: There are already serious problems of deep and fundamental principle at the semi-classical level, and worse, certain classi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0205066","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":"2026-05-18T02:37:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7lPo8JQIdTrOc3ptVS/+A4xqRMHA8WGnPDtiRxzpS/gKQLZNXtJ5XstAAtfejtHi6XpHRseQnYF+N7KIwWc+BQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:30:35.678289Z"},"content_sha256":"b2f5059f1c28bbcd730f02947d43fc7e1d6302c722b59bf49381d3677c283d1c","schema_version":"1.0","event_id":"sha256:b2f5059f1c28bbcd730f02947d43fc7e1d6302c722b59bf49381d3677c283d1c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SYW43KB7MAKWH5J3WVYWX7Q5Q4/bundle.json","state_url":"https://pith.science/pith/SYW43KB7MAKWH5J3WVYWX7Q5Q4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SYW43KB7MAKWH5J3WVYWX7Q5Q4/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":"2026-05-27T04:30:35Z","links":{"resolver":"https://pith.science/pith/SYW43KB7MAKWH5J3WVYWX7Q5Q4","bundle":"https://pith.science/pith/SYW43KB7MAKWH5J3WVYWX7Q5Q4/bundle.json","state":"https://pith.science/pith/SYW43KB7MAKWH5J3WVYWX7Q5Q4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SYW43KB7MAKWH5J3WVYWX7Q5Q4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:SYW43KB7MAKWH5J3WVYWX7Q5Q4","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":"c8090c6f86f8ed777ae34c23fbca492a623fce3d851302339f06c1c09983331c","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2002-05-16T03:05:41Z","title_canon_sha256":"0a2655673009fc858f70722a887efe749b789ae39de606c9f7cd62fdff149e7d"},"schema_version":"1.0","source":{"id":"gr-qc/0205066","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0205066","created_at":"2026-05-18T02:37:35Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0205066v1","created_at":"2026-05-18T02:37:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0205066","created_at":"2026-05-18T02:37:35Z"},{"alias_kind":"pith_short_12","alias_value":"SYW43KB7MAKW","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"SYW43KB7MAKWH5J3","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"SYW43KB7","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:b2f5059f1c28bbcd730f02947d43fc7e1d6302c722b59bf49381d3677c283d1c","target":"graph","created_at":"2026-05-18T02:37:35Z","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":"The tension, if not outright inconsistency, between quantum physics and general relativity is one of the great problems facing physics at the turn of the millennium. Most often, the problems arising in merging Einstein gravity and quantum physics are viewed as Planck scale issues (10^{19} GeV, 10^{-34} m, 10^{-45} s), and so safely beyond the reach of experiment. However, over the last few years it has become increasingly obvious that the difficulties are more widespread: There are already serious problems of deep and fundamental principle at the semi-classical level, and worse, certain classi","authors_text":"Carlos Barcelo (Portsmouth, Matt Visser (Washington University in Saint Louis), UK)","cross_cats":[],"headline":"","license":"","primary_cat":"gr-qc","submitted_at":"2002-05-16T03:05:41Z","title":"Twilight for the energy conditions?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0205066","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":"sha256:7da86c60d5c9b6af50b31ab6f1ab69f11683aad2d5e0cb41a04579b6cfefb69c","target":"record","created_at":"2026-05-18T02:37:35Z","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":"c8090c6f86f8ed777ae34c23fbca492a623fce3d851302339f06c1c09983331c","cross_cats_sorted":[],"license":"","primary_cat":"gr-qc","submitted_at":"2002-05-16T03:05:41Z","title_canon_sha256":"0a2655673009fc858f70722a887efe749b789ae39de606c9f7cd62fdff149e7d"},"schema_version":"1.0","source":{"id":"gr-qc/0205066","kind":"arxiv","version":1}},"canonical_sha256":"962dcda83f601563f53bb5716bfe1d873fa2d61f46d6faac22e491c0e05e833f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"962dcda83f601563f53bb5716bfe1d873fa2d61f46d6faac22e491c0e05e833f","first_computed_at":"2026-05-18T02:37:35.676959Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:37:35.676959Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JBcRwCZWKFNDgEOv8EPVLDJfybHx6n7A+uQ8/Dk71koYJ4UMtBX3wp1yFLETdneMJiK51vbXZ2hX1TbNodP/Cw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:37:35.677396Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0205066","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7da86c60d5c9b6af50b31ab6f1ab69f11683aad2d5e0cb41a04579b6cfefb69c","sha256:b2f5059f1c28bbcd730f02947d43fc7e1d6302c722b59bf49381d3677c283d1c"],"state_sha256":"66b72c418d0b8a374d8d039a80f8b6b95ce22df7450ff91994e705e57985f45c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IyZXY424tpYf1fVfoDoXlPfMoRUH6dQF24xJ1Bfk1dtUqdi0L15ykOTO3TlgKkBA4jgdXLF3PvaSVHvKRqDZDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:30:35.680594Z","bundle_sha256":"b6bf62deb84ba14a63a369fe040f0f5cb924bc396bdfeef9f1689fb2cbc2318f"}}