{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:ZUD2UYWWT6HEK6WQ5WJCAMGGCZ","short_pith_number":"pith:ZUD2UYWW","canonical_record":{"source":{"id":"1006.1632","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-06-08T18:26:08Z","cross_cats_sorted":[],"title_canon_sha256":"7ad7f4ae08acea17884f83e80c51b5f39d8c65379f7501addf694335f076caad","abstract_canon_sha256":"70646a219c7e67048902ebc1167d4d7b815e9f7b5ecd346688b2092256ef185b"},"schema_version":"1.0"},"canonical_sha256":"cd07aa62d69f8e457ad0ed922030c61676e9afe2440f149e683efabff4af7c94","source":{"kind":"arxiv","id":"1006.1632","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.1632","created_at":"2026-05-18T04:12:34Z"},{"alias_kind":"arxiv_version","alias_value":"1006.1632v3","created_at":"2026-05-18T04:12:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1632","created_at":"2026-05-18T04:12:34Z"},{"alias_kind":"pith_short_12","alias_value":"ZUD2UYWWT6HE","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZUD2UYWWT6HEK6WQ","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZUD2UYWW","created_at":"2026-05-18T12:26:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:ZUD2UYWWT6HEK6WQ5WJCAMGGCZ","target":"record","payload":{"canonical_record":{"source":{"id":"1006.1632","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-06-08T18:26:08Z","cross_cats_sorted":[],"title_canon_sha256":"7ad7f4ae08acea17884f83e80c51b5f39d8c65379f7501addf694335f076caad","abstract_canon_sha256":"70646a219c7e67048902ebc1167d4d7b815e9f7b5ecd346688b2092256ef185b"},"schema_version":"1.0"},"canonical_sha256":"cd07aa62d69f8e457ad0ed922030c61676e9afe2440f149e683efabff4af7c94","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:12:34.022081Z","signature_b64":"5xW5RphUwbWvJckY5binKdEaW2ew2IqFwxhwtDBZRS/oUpFMiHwBy9eWD+FL3kqn3LRxFCWPjAWtj957nO5zBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cd07aa62d69f8e457ad0ed922030c61676e9afe2440f149e683efabff4af7c94","last_reissued_at":"2026-05-18T04:12:34.021460Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:12:34.021460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.1632","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:12:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"97DeK4sr5LDF+Zc4TBG2rRZqrRarN8eR/zRb25z/npcUbn/Grmc7tybBdNpMLHM/WkcHG3Al3D35jKJXEYtWCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T18:14:32.240756Z"},"content_sha256":"8216844a211c95a75e92e62f29a2dc271c035535eec011ec1cb3ecad11934324","schema_version":"1.0","event_id":"sha256:8216844a211c95a75e92e62f29a2dc271c035535eec011ec1cb3ecad11934324"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:ZUD2UYWWT6HEK6WQ5WJCAMGGCZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Notes on the integration of numerical relativity waveforms","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Christian Reisswig, Denis Pollney","submitted_at":"2010-06-08T18:26:08Z","abstract_excerpt":"A primary goal of numerical relativity is to provide estimates of the wave strain, $h$, from strong gravitational wave sources, to be used in detector templates. The simulations, however, typically measure waves in terms of the Weyl curvature component, $\\psi_4$. Assuming Bondi gauge, transforming to the strain $h$ reduces to integration of $\\psi_4$ twice in time. Integrations performed in either the time or frequency domain, however, lead to secular non-linear drifts in the resulting strain $h$. These non-linear drifts are not explained by the two unknown integration constants which can at mo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1632","kind":"arxiv","version":3},"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":"2026-05-18T04:12:34Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8Ce1oP2yjanxJrBpIytXqCn4nDA6f5tg+vsh+/zDE/E3Uu+4UeaWHC+xgUqfQNJzuCqywr5J+SJJDQzvlNeLCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-29T18:14:32.241104Z"},"content_sha256":"30716f7c6da088a3b43657dc1d6c67ced060454f8e5b51730edf5bac70fa579f","schema_version":"1.0","event_id":"sha256:30716f7c6da088a3b43657dc1d6c67ced060454f8e5b51730edf5bac70fa579f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZUD2UYWWT6HEK6WQ5WJCAMGGCZ/bundle.json","state_url":"https://pith.science/pith/ZUD2UYWWT6HEK6WQ5WJCAMGGCZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZUD2UYWWT6HEK6WQ5WJCAMGGCZ/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":"2026-06-29T18:14:32Z","links":{"resolver":"https://pith.science/pith/ZUD2UYWWT6HEK6WQ5WJCAMGGCZ","bundle":"https://pith.science/pith/ZUD2UYWWT6HEK6WQ5WJCAMGGCZ/bundle.json","state":"https://pith.science/pith/ZUD2UYWWT6HEK6WQ5WJCAMGGCZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZUD2UYWWT6HEK6WQ5WJCAMGGCZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:ZUD2UYWWT6HEK6WQ5WJCAMGGCZ","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":"70646a219c7e67048902ebc1167d4d7b815e9f7b5ecd346688b2092256ef185b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-06-08T18:26:08Z","title_canon_sha256":"7ad7f4ae08acea17884f83e80c51b5f39d8c65379f7501addf694335f076caad"},"schema_version":"1.0","source":{"id":"1006.1632","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.1632","created_at":"2026-05-18T04:12:34Z"},{"alias_kind":"arxiv_version","alias_value":"1006.1632v3","created_at":"2026-05-18T04:12:34Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.1632","created_at":"2026-05-18T04:12:34Z"},{"alias_kind":"pith_short_12","alias_value":"ZUD2UYWWT6HE","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_16","alias_value":"ZUD2UYWWT6HEK6WQ","created_at":"2026-05-18T12:26:18Z"},{"alias_kind":"pith_short_8","alias_value":"ZUD2UYWW","created_at":"2026-05-18T12:26:18Z"}],"graph_snapshots":[{"event_id":"sha256:30716f7c6da088a3b43657dc1d6c67ced060454f8e5b51730edf5bac70fa579f","target":"graph","created_at":"2026-05-18T04:12:34Z","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":"A primary goal of numerical relativity is to provide estimates of the wave strain, $h$, from strong gravitational wave sources, to be used in detector templates. The simulations, however, typically measure waves in terms of the Weyl curvature component, $\\psi_4$. Assuming Bondi gauge, transforming to the strain $h$ reduces to integration of $\\psi_4$ twice in time. Integrations performed in either the time or frequency domain, however, lead to secular non-linear drifts in the resulting strain $h$. These non-linear drifts are not explained by the two unknown integration constants which can at mo","authors_text":"Christian Reisswig, Denis Pollney","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-06-08T18:26:08Z","title":"Notes on the integration of numerical relativity waveforms"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.1632","kind":"arxiv","version":3},"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":"sha256:8216844a211c95a75e92e62f29a2dc271c035535eec011ec1cb3ecad11934324","target":"record","created_at":"2026-05-18T04:12:34Z","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":"70646a219c7e67048902ebc1167d4d7b815e9f7b5ecd346688b2092256ef185b","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-06-08T18:26:08Z","title_canon_sha256":"7ad7f4ae08acea17884f83e80c51b5f39d8c65379f7501addf694335f076caad"},"schema_version":"1.0","source":{"id":"1006.1632","kind":"arxiv","version":3}},"canonical_sha256":"cd07aa62d69f8e457ad0ed922030c61676e9afe2440f149e683efabff4af7c94","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cd07aa62d69f8e457ad0ed922030c61676e9afe2440f149e683efabff4af7c94","first_computed_at":"2026-05-18T04:12:34.021460Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:12:34.021460Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5xW5RphUwbWvJckY5binKdEaW2ew2IqFwxhwtDBZRS/oUpFMiHwBy9eWD+FL3kqn3LRxFCWPjAWtj957nO5zBA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:12:34.022081Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.1632","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8216844a211c95a75e92e62f29a2dc271c035535eec011ec1cb3ecad11934324","sha256:30716f7c6da088a3b43657dc1d6c67ced060454f8e5b51730edf5bac70fa579f"],"state_sha256":"bc23383c704b6cda3b2c7e1fcd18b94a38ff3137224cad527ab84ea04e75aaab"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cxyRZxPb2xysCZZsd1Sjt/LhxMLRWoeZN+kO1s0+TKs2T+mUaVbR6DkGjBH4WgAcC5QjERtErBPDFJ+1GnFIDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-29T18:14:32.243184Z","bundle_sha256":"c3acb8b1bf598343d7d8eb534699d9195ebcdb3ac6b070e8d3c71cf1dca67fcb"}}