{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:YJURGPZDME5XVWBDKCVO6L7EVV","short_pith_number":"pith:YJURGPZD","canonical_record":{"source":{"id":"hep-th/0303037","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2003-03-05T17:27:09Z","cross_cats_sorted":[],"title_canon_sha256":"2bf3cbe416267d671fd8a46da1045271c0130f28f02dfd2528426b6d186e6913","abstract_canon_sha256":"acf96ca59f8c463faa829b1b940258e38ffbcf502ef1a869282b43d3966825f5"},"schema_version":"1.0"},"canonical_sha256":"c269133f23613b7ad82350aaef2fe4ad72cdf77bb8cf131c50b606cd505a90ba","source":{"kind":"arxiv","id":"hep-th/0303037","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0303037","created_at":"2026-05-18T01:38:48Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0303037v1","created_at":"2026-05-18T01:38:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0303037","created_at":"2026-05-18T01:38:48Z"},{"alias_kind":"pith_short_12","alias_value":"YJURGPZDME5X","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"YJURGPZDME5XVWBD","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"YJURGPZD","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:YJURGPZDME5XVWBDKCVO6L7EVV","target":"record","payload":{"canonical_record":{"source":{"id":"hep-th/0303037","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2003-03-05T17:27:09Z","cross_cats_sorted":[],"title_canon_sha256":"2bf3cbe416267d671fd8a46da1045271c0130f28f02dfd2528426b6d186e6913","abstract_canon_sha256":"acf96ca59f8c463faa829b1b940258e38ffbcf502ef1a869282b43d3966825f5"},"schema_version":"1.0"},"canonical_sha256":"c269133f23613b7ad82350aaef2fe4ad72cdf77bb8cf131c50b606cd505a90ba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:38:48.858305Z","signature_b64":"Ail3leM8gctnByI7yhyjrPUTWk2Uy8EjofWRB5WaAAKnPx164PpuusbjDQSRBx7jnE69yE/PGUcfQchl/goBDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c269133f23613b7ad82350aaef2fe4ad72cdf77bb8cf131c50b606cd505a90ba","last_reissued_at":"2026-05-18T01:38:48.857832Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:38:48.857832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"hep-th/0303037","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":"2026-05-18T01:38:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h+pCiNflQP36wtbt3ksyR8SB3M4u0LHPW5MSQMkqBA+BTx+B23geJrzlIuctj8iMNvFK3tGgAB85Se7LHq5XAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T22:14:45.661852Z"},"content_sha256":"6c7d04c39f82111a8fd3c842eedef0f6fff21db06e83c2e916a51067081b3af3","schema_version":"1.0","event_id":"sha256:6c7d04c39f82111a8fd3c842eedef0f6fff21db06e83c2e916a51067081b3af3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:YJURGPZDME5XVWBDKCVO6L7EVV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The quantum structure of spacetime at the Planck scale and quantum fields","license":"","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"John E. Roberts, Klaus Fredenhagen, Sergio Doplicher","submitted_at":"2003-03-05T17:27:09Z","abstract_excerpt":"We propose uncertainty relations for the different coordinates of spacetime events, motivated by Heisenberg's principle and by Einstein's theory of classical gravity. A model of Quantum Spacetime is then discussed where the commutation relations exactly implement our uncertainty relations.\n  We outline the definition of free fields and interactions over QST and take the first steps to adapting the usual perturbation theory. The quantum nature of the underlying spacetime replaces a local interaction by a specific nonlocal effective interaction in the ordinary Minkowski space. A detailed study o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0303037","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":"2026-05-18T01:38:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nplNJh8jP0AXzYv4Ug3MkaaSgcq8Yd5yNW04gAgMcziflQWQPQJwQQXZvL82OxIDRljfERoFYvmTd/O+2YhQAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T22:14:45.662524Z"},"content_sha256":"1f43123ce5b02b9d84ebab3fc16170d2c956e318c9f93f72749ebf3f10ded0dc","schema_version":"1.0","event_id":"sha256:1f43123ce5b02b9d84ebab3fc16170d2c956e318c9f93f72749ebf3f10ded0dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YJURGPZDME5XVWBDKCVO6L7EVV/bundle.json","state_url":"https://pith.science/pith/YJURGPZDME5XVWBDKCVO6L7EVV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YJURGPZDME5XVWBDKCVO6L7EVV/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":"2026-05-23T22:14:45Z","links":{"resolver":"https://pith.science/pith/YJURGPZDME5XVWBDKCVO6L7EVV","bundle":"https://pith.science/pith/YJURGPZDME5XVWBDKCVO6L7EVV/bundle.json","state":"https://pith.science/pith/YJURGPZDME5XVWBDKCVO6L7EVV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YJURGPZDME5XVWBDKCVO6L7EVV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:YJURGPZDME5XVWBDKCVO6L7EVV","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":"acf96ca59f8c463faa829b1b940258e38ffbcf502ef1a869282b43d3966825f5","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2003-03-05T17:27:09Z","title_canon_sha256":"2bf3cbe416267d671fd8a46da1045271c0130f28f02dfd2528426b6d186e6913"},"schema_version":"1.0","source":{"id":"hep-th/0303037","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0303037","created_at":"2026-05-18T01:38:48Z"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0303037v1","created_at":"2026-05-18T01:38:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0303037","created_at":"2026-05-18T01:38:48Z"},{"alias_kind":"pith_short_12","alias_value":"YJURGPZDME5X","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"YJURGPZDME5XVWBD","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"YJURGPZD","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:1f43123ce5b02b9d84ebab3fc16170d2c956e318c9f93f72749ebf3f10ded0dc","target":"graph","created_at":"2026-05-18T01:38:48Z","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":"We propose uncertainty relations for the different coordinates of spacetime events, motivated by Heisenberg's principle and by Einstein's theory of classical gravity. A model of Quantum Spacetime is then discussed where the commutation relations exactly implement our uncertainty relations.\n  We outline the definition of free fields and interactions over QST and take the first steps to adapting the usual perturbation theory. The quantum nature of the underlying spacetime replaces a local interaction by a specific nonlocal effective interaction in the ordinary Minkowski space. A detailed study o","authors_text":"John E. Roberts, Klaus Fredenhagen, Sergio Doplicher","cross_cats":[],"headline":"","license":"","primary_cat":"hep-th","submitted_at":"2003-03-05T17:27:09Z","title":"The quantum structure of spacetime at the Planck scale and quantum fields"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0303037","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":"sha256:6c7d04c39f82111a8fd3c842eedef0f6fff21db06e83c2e916a51067081b3af3","target":"record","created_at":"2026-05-18T01:38:48Z","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":"acf96ca59f8c463faa829b1b940258e38ffbcf502ef1a869282b43d3966825f5","cross_cats_sorted":[],"license":"","primary_cat":"hep-th","submitted_at":"2003-03-05T17:27:09Z","title_canon_sha256":"2bf3cbe416267d671fd8a46da1045271c0130f28f02dfd2528426b6d186e6913"},"schema_version":"1.0","source":{"id":"hep-th/0303037","kind":"arxiv","version":1}},"canonical_sha256":"c269133f23613b7ad82350aaef2fe4ad72cdf77bb8cf131c50b606cd505a90ba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c269133f23613b7ad82350aaef2fe4ad72cdf77bb8cf131c50b606cd505a90ba","first_computed_at":"2026-05-18T01:38:48.857832Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:38:48.857832Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ail3leM8gctnByI7yhyjrPUTWk2Uy8EjofWRB5WaAAKnPx164PpuusbjDQSRBx7jnE69yE/PGUcfQchl/goBDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:38:48.858305Z","signed_message":"canonical_sha256_bytes"},"source_id":"hep-th/0303037","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6c7d04c39f82111a8fd3c842eedef0f6fff21db06e83c2e916a51067081b3af3","sha256:1f43123ce5b02b9d84ebab3fc16170d2c956e318c9f93f72749ebf3f10ded0dc"],"state_sha256":"7879aab06b15dcd84b7038efbba383f4d8c86831dc122f1f8c9156287771c5fb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JPSGq+uH+xe8p7SzmpRG3ODPAByIApS0gMXDNZONyZlAX6hx7hFlp9QcprT/TeSZSXoLp9XhDLc4Df4ytfTiCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T22:14:45.665034Z","bundle_sha256":"4f9082f9cfd02863385204c4a604294ad94ab2d13283c186821140c299c5d108"}}