{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:QPY4IMIOSXKZEBBS56SGLOYZNA","short_pith_number":"pith:QPY4IMIO","canonical_record":{"source":{"id":"1004.0284","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-04-02T04:27:29Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"60bc4e5ff9a946a3db532d68723118f3055fd9ee8db101fbe619f30ab49761d3","abstract_canon_sha256":"034a311ac4949679a3ec7612f0197b61b06e72c85c221057af831a6b3150d1dd"},"schema_version":"1.0"},"canonical_sha256":"83f1c4310e95d5920432efa465bb196831d8d8baf8bca1ff6bc919dfa54e2961","source":{"kind":"arxiv","id":"1004.0284","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0284","created_at":"2026-05-18T04:32:43Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0284v3","created_at":"2026-05-18T04:32:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0284","created_at":"2026-05-18T04:32:43Z"},{"alias_kind":"pith_short_12","alias_value":"QPY4IMIOSXKZ","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QPY4IMIOSXKZEBBS","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QPY4IMIO","created_at":"2026-05-18T12:26:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:QPY4IMIOSXKZEBBS56SGLOYZNA","target":"record","payload":{"canonical_record":{"source":{"id":"1004.0284","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-04-02T04:27:29Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"60bc4e5ff9a946a3db532d68723118f3055fd9ee8db101fbe619f30ab49761d3","abstract_canon_sha256":"034a311ac4949679a3ec7612f0197b61b06e72c85c221057af831a6b3150d1dd"},"schema_version":"1.0"},"canonical_sha256":"83f1c4310e95d5920432efa465bb196831d8d8baf8bca1ff6bc919dfa54e2961","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:32:43.561585Z","signature_b64":"pSht12aazq0Ma2Fci4v5n6xhev0luvV0u/Qy09C3M/LiskLccbHDL2fHYxEM/p6yARWC2uUMKZsjedi70s0/AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"83f1c4310e95d5920432efa465bb196831d8d8baf8bca1ff6bc919dfa54e2961","last_reissued_at":"2026-05-18T04:32:43.560913Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:32:43.560913Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1004.0284","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":"2026-05-18T04:32:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7GBVoidNCY+PkD0lg/LjNcVv8NGBbP3TYUKNLglO002ioWxp8BJNRiY6NyI/JsoIV0EPTV+jCPrqG7zoIq3/AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:01:32.819042Z"},"content_sha256":"54dd81dc1e419fa0fa2c8823fadb946ec9cad29eefe3f55a087edbd8118bf05c","schema_version":"1.0","event_id":"sha256:54dd81dc1e419fa0fa2c8823fadb946ec9cad29eefe3f55a087edbd8118bf05c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:QPY4IMIOSXKZEBBS56SGLOYZNA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Constraining the mass of the graviton using coalescing black-hole binaries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Drew Keppel, P. Ajith","submitted_at":"2010-04-02T04:27:29Z","abstract_excerpt":"We study how well the mass of the graviton can be constrained from gravitational-wave (GW) observations of coalescing binary black holes. Whereas the previous investigations employed post-Newtonian (PN) templates describing only the inspiral part of the signal, the recent progress in analytical and numerical relativity has provided analytical waveform templates coherently describing the inspiral-merger-ringdown (IMR) signals. We show that a search for binary black holes employing IMR templates will be able to constrain the mass of the graviton much more accurately (about an order of magnitude)"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0284","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":"2026-05-18T04:32:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NplHmACNhNApPbOltw+Dwa7YZAo1VxflPUy3oidtt1hqACJt5WUs2bPQElWQ6vwTZq7hyxBTQndaXeo9b7G0DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T15:01:32.819763Z"},"content_sha256":"66ce24cd21eea892060c511f8387f93b163a3742f3d3d91283b5c513195a5b5b","schema_version":"1.0","event_id":"sha256:66ce24cd21eea892060c511f8387f93b163a3742f3d3d91283b5c513195a5b5b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QPY4IMIOSXKZEBBS56SGLOYZNA/bundle.json","state_url":"https://pith.science/pith/QPY4IMIOSXKZEBBS56SGLOYZNA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QPY4IMIOSXKZEBBS56SGLOYZNA/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":"2026-05-31T15:01:32Z","links":{"resolver":"https://pith.science/pith/QPY4IMIOSXKZEBBS56SGLOYZNA","bundle":"https://pith.science/pith/QPY4IMIOSXKZEBBS56SGLOYZNA/bundle.json","state":"https://pith.science/pith/QPY4IMIOSXKZEBBS56SGLOYZNA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QPY4IMIOSXKZEBBS56SGLOYZNA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:QPY4IMIOSXKZEBBS56SGLOYZNA","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":"034a311ac4949679a3ec7612f0197b61b06e72c85c221057af831a6b3150d1dd","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-04-02T04:27:29Z","title_canon_sha256":"60bc4e5ff9a946a3db532d68723118f3055fd9ee8db101fbe619f30ab49761d3"},"schema_version":"1.0","source":{"id":"1004.0284","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1004.0284","created_at":"2026-05-18T04:32:43Z"},{"alias_kind":"arxiv_version","alias_value":"1004.0284v3","created_at":"2026-05-18T04:32:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1004.0284","created_at":"2026-05-18T04:32:43Z"},{"alias_kind":"pith_short_12","alias_value":"QPY4IMIOSXKZ","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_16","alias_value":"QPY4IMIOSXKZEBBS","created_at":"2026-05-18T12:26:12Z"},{"alias_kind":"pith_short_8","alias_value":"QPY4IMIO","created_at":"2026-05-18T12:26:12Z"}],"graph_snapshots":[{"event_id":"sha256:66ce24cd21eea892060c511f8387f93b163a3742f3d3d91283b5c513195a5b5b","target":"graph","created_at":"2026-05-18T04:32:43Z","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 study how well the mass of the graviton can be constrained from gravitational-wave (GW) observations of coalescing binary black holes. Whereas the previous investigations employed post-Newtonian (PN) templates describing only the inspiral part of the signal, the recent progress in analytical and numerical relativity has provided analytical waveform templates coherently describing the inspiral-merger-ringdown (IMR) signals. We show that a search for binary black holes employing IMR templates will be able to constrain the mass of the graviton much more accurately (about an order of magnitude)","authors_text":"Drew Keppel, P. Ajith","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-04-02T04:27:29Z","title":"Constraining the mass of the graviton using coalescing black-hole binaries"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.0284","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":"sha256:54dd81dc1e419fa0fa2c8823fadb946ec9cad29eefe3f55a087edbd8118bf05c","target":"record","created_at":"2026-05-18T04:32:43Z","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":"034a311ac4949679a3ec7612f0197b61b06e72c85c221057af831a6b3150d1dd","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-04-02T04:27:29Z","title_canon_sha256":"60bc4e5ff9a946a3db532d68723118f3055fd9ee8db101fbe619f30ab49761d3"},"schema_version":"1.0","source":{"id":"1004.0284","kind":"arxiv","version":3}},"canonical_sha256":"83f1c4310e95d5920432efa465bb196831d8d8baf8bca1ff6bc919dfa54e2961","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"83f1c4310e95d5920432efa465bb196831d8d8baf8bca1ff6bc919dfa54e2961","first_computed_at":"2026-05-18T04:32:43.560913Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:32:43.560913Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pSht12aazq0Ma2Fci4v5n6xhev0luvV0u/Qy09C3M/LiskLccbHDL2fHYxEM/p6yARWC2uUMKZsjedi70s0/AQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:32:43.561585Z","signed_message":"canonical_sha256_bytes"},"source_id":"1004.0284","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:54dd81dc1e419fa0fa2c8823fadb946ec9cad29eefe3f55a087edbd8118bf05c","sha256:66ce24cd21eea892060c511f8387f93b163a3742f3d3d91283b5c513195a5b5b"],"state_sha256":"57d347829f4e8b99ce5ebcafb9d080cec44d979817dbe4dd6ee0c6c09997ae49"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"801ydGO+B9uQNUO1MtObLiomH39FRuj0C9qnhXm7LsF1ZAwvGEw/IujqNRyUUL3ZzHIx9IYJ2ceCE21aqXEqCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T15:01:32.823967Z","bundle_sha256":"2b5c6f175fcd7614ffcd9b64a0665c24eecdfa0670f841f0952f81f9aa0ff475"}}