{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:5D7YBUUUYHWBOP5ECGICZPYIEJ","short_pith_number":"pith:5D7YBUUU","canonical_record":{"source":{"id":"gr-qc/0303026","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2003-03-06T16:08:30Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"fe34e9ec2f916c0e7460276a978d98ef1159202d7e9e8dbf3c679e94a4c38dd6","abstract_canon_sha256":"b579b413261d839473380dd6c2688b32bf29b4941d4b7d190b1b98af97bfd769"},"schema_version":"1.0"},"canonical_sha256":"e8ff80d294c1ec173fa411902cbf0822698b141d25e1a5e296f95ea8c72b1ee5","source":{"kind":"arxiv","id":"gr-qc/0303026","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0303026","created_at":"2026-05-18T01:39:23Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0303026v2","created_at":"2026-05-18T01:39:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0303026","created_at":"2026-05-18T01:39:23Z"},{"alias_kind":"pith_short_12","alias_value":"5D7YBUUUYHWB","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"5D7YBUUUYHWBOP5E","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"5D7YBUUU","created_at":"2026-05-18T12:25:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:5D7YBUUUYHWBOP5ECGICZPYIEJ","target":"record","payload":{"canonical_record":{"source":{"id":"gr-qc/0303026","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2003-03-06T16:08:30Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"fe34e9ec2f916c0e7460276a978d98ef1159202d7e9e8dbf3c679e94a4c38dd6","abstract_canon_sha256":"b579b413261d839473380dd6c2688b32bf29b4941d4b7d190b1b98af97bfd769"},"schema_version":"1.0"},"canonical_sha256":"e8ff80d294c1ec173fa411902cbf0822698b141d25e1a5e296f95ea8c72b1ee5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:39:23.259289Z","signature_b64":"S3gValjNNO0UgMrJA4iNeV7WHkd0tnbcjhhNapIvmyy10MDT9hpfKsAMy0eFECbSH2WBsjQ29UZSBTz8jsosDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e8ff80d294c1ec173fa411902cbf0822698b141d25e1a5e296f95ea8c72b1ee5","last_reissued_at":"2026-05-18T01:39:23.258714Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:39:23.258714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"gr-qc/0303026","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:39:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MyNZ/0A5hQfS/Dh0qcKIuFUgP/kNzZZMGJCBCvN3INdTAlyjZ4b8AadEj9fcBzU6xlak0Z2Mzs5LUYkOUnNzAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:42:34.590909Z"},"content_sha256":"73984c51f7bf378cdc15d0979c3f99859ecdfbe98fd412ad982446958e23cfea","schema_version":"1.0","event_id":"sha256:73984c51f7bf378cdc15d0979c3f99859ecdfbe98fd412ad982446958e23cfea"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:5D7YBUUUYHWBOP5ECGICZPYIEJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spin Foam Quantization and Anomalies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Alejandro Perez, Martin Bojowald","submitted_at":"2003-03-06T16:08:30Z","abstract_excerpt":"The most common spin foam models of gravity are widely believed to be discrete path integral quantizations of the Plebanski action. However, their derivation in present formulations is incomplete and lower dimensional simplex amplitudes are left open to choice. Since their large-spin behavior determines the convergence properties of the state-sum, this gap has to be closed before any reliable conclusion about finiteness can be reached. It is shown that these amplitudes are directly related to the path integral measure and can in principle be derived from it, requiring detailed knowledge of the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0303026","kind":"arxiv","version":2},"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":"2026-05-18T01:39:23Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1U1bYNwIlkn3++isol0Fi8Ey4X8vTlOIEYG/9Ybl3EggtAZlTZOBLcj9it/7J61lJN61QZHrire2O5I8w36qBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T20:42:34.591250Z"},"content_sha256":"4f23897568c58036810809df1f6089ce80df67ec07fe95c03264fb9ef68c2106","schema_version":"1.0","event_id":"sha256:4f23897568c58036810809df1f6089ce80df67ec07fe95c03264fb9ef68c2106"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5D7YBUUUYHWBOP5ECGICZPYIEJ/bundle.json","state_url":"https://pith.science/pith/5D7YBUUUYHWBOP5ECGICZPYIEJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5D7YBUUUYHWBOP5ECGICZPYIEJ/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":"2026-06-01T20:42:34Z","links":{"resolver":"https://pith.science/pith/5D7YBUUUYHWBOP5ECGICZPYIEJ","bundle":"https://pith.science/pith/5D7YBUUUYHWBOP5ECGICZPYIEJ/bundle.json","state":"https://pith.science/pith/5D7YBUUUYHWBOP5ECGICZPYIEJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5D7YBUUUYHWBOP5ECGICZPYIEJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:5D7YBUUUYHWBOP5ECGICZPYIEJ","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":"b579b413261d839473380dd6c2688b32bf29b4941d4b7d190b1b98af97bfd769","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2003-03-06T16:08:30Z","title_canon_sha256":"fe34e9ec2f916c0e7460276a978d98ef1159202d7e9e8dbf3c679e94a4c38dd6"},"schema_version":"1.0","source":{"id":"gr-qc/0303026","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"gr-qc/0303026","created_at":"2026-05-18T01:39:23Z"},{"alias_kind":"arxiv_version","alias_value":"gr-qc/0303026v2","created_at":"2026-05-18T01:39:23Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.gr-qc/0303026","created_at":"2026-05-18T01:39:23Z"},{"alias_kind":"pith_short_12","alias_value":"5D7YBUUUYHWB","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_16","alias_value":"5D7YBUUUYHWBOP5E","created_at":"2026-05-18T12:25:51Z"},{"alias_kind":"pith_short_8","alias_value":"5D7YBUUU","created_at":"2026-05-18T12:25:51Z"}],"graph_snapshots":[{"event_id":"sha256:4f23897568c58036810809df1f6089ce80df67ec07fe95c03264fb9ef68c2106","target":"graph","created_at":"2026-05-18T01:39:23Z","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 most common spin foam models of gravity are widely believed to be discrete path integral quantizations of the Plebanski action. However, their derivation in present formulations is incomplete and lower dimensional simplex amplitudes are left open to choice. Since their large-spin behavior determines the convergence properties of the state-sum, this gap has to be closed before any reliable conclusion about finiteness can be reached. It is shown that these amplitudes are directly related to the path integral measure and can in principle be derived from it, requiring detailed knowledge of the","authors_text":"Alejandro Perez, Martin Bojowald","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2003-03-06T16:08:30Z","title":"Spin Foam Quantization and Anomalies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"gr-qc/0303026","kind":"arxiv","version":2},"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":"sha256:73984c51f7bf378cdc15d0979c3f99859ecdfbe98fd412ad982446958e23cfea","target":"record","created_at":"2026-05-18T01:39:23Z","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":"b579b413261d839473380dd6c2688b32bf29b4941d4b7d190b1b98af97bfd769","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2003-03-06T16:08:30Z","title_canon_sha256":"fe34e9ec2f916c0e7460276a978d98ef1159202d7e9e8dbf3c679e94a4c38dd6"},"schema_version":"1.0","source":{"id":"gr-qc/0303026","kind":"arxiv","version":2}},"canonical_sha256":"e8ff80d294c1ec173fa411902cbf0822698b141d25e1a5e296f95ea8c72b1ee5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e8ff80d294c1ec173fa411902cbf0822698b141d25e1a5e296f95ea8c72b1ee5","first_computed_at":"2026-05-18T01:39:23.258714Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:39:23.258714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"S3gValjNNO0UgMrJA4iNeV7WHkd0tnbcjhhNapIvmyy10MDT9hpfKsAMy0eFECbSH2WBsjQ29UZSBTz8jsosDg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:39:23.259289Z","signed_message":"canonical_sha256_bytes"},"source_id":"gr-qc/0303026","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:73984c51f7bf378cdc15d0979c3f99859ecdfbe98fd412ad982446958e23cfea","sha256:4f23897568c58036810809df1f6089ce80df67ec07fe95c03264fb9ef68c2106"],"state_sha256":"58c8b278c59a4f57f37418626134afade8b97cf68aac71783a27915baa01307c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZU6nqo4WyThm7Xk8yDblhg65KXknxJrCP4uUHdEhMgvP93ITsocTlePHw9KDaUtAiDP8V+RV6PKG7ZIlFAsQAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T20:42:34.593098Z","bundle_sha256":"7d974d03d014aad622beb102c683a6812d24a7bf1395ceac5c5dfe00edebb4f6"}}