{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:IMQMTOZU5FBEUKSWNMBZTR2IIG","short_pith_number":"pith:IMQMTOZU","canonical_record":{"source":{"id":"astro-ph/0406321","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-14T17:33:51Z","cross_cats_sorted":[],"title_canon_sha256":"c55bccd404d8754ca58d60b458f0e46bcebb25ea38c71fcb4129e1d96dbf047e","abstract_canon_sha256":"e7b62b0367f276896b44da8216eb6da5bb6e06222998085b38fc42b474b658ca"},"schema_version":"1.0"},"canonical_sha256":"4320c9bb34e9424a2a566b0399c7484181561cb37b80b19fdbc34598e5a6818f","source":{"kind":"arxiv","id":"astro-ph/0406321","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0406321","created_at":"2026-07-05T10:11:10Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0406321v2","created_at":"2026-07-05T10:11:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0406321","created_at":"2026-07-05T10:11:10Z"},{"alias_kind":"pith_short_12","alias_value":"IMQMTOZU5FBE","created_at":"2026-07-05T10:11:10Z"},{"alias_kind":"pith_short_16","alias_value":"IMQMTOZU5FBEUKSW","created_at":"2026-07-05T10:11:10Z"},{"alias_kind":"pith_short_8","alias_value":"IMQMTOZU","created_at":"2026-07-05T10:11:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:IMQMTOZU5FBEUKSWNMBZTR2IIG","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0406321","kind":"arxiv","version":2},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-14T17:33:51Z","cross_cats_sorted":[],"title_canon_sha256":"c55bccd404d8754ca58d60b458f0e46bcebb25ea38c71fcb4129e1d96dbf047e","abstract_canon_sha256":"e7b62b0367f276896b44da8216eb6da5bb6e06222998085b38fc42b474b658ca"},"schema_version":"1.0"},"canonical_sha256":"4320c9bb34e9424a2a566b0399c7484181561cb37b80b19fdbc34598e5a6818f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:11:10.392421Z","signature_b64":"nr4UWRGA0lJnHJ62vRfLvj/Yul7cHOf8q57ure/8B59eiahv57uO/TcsU19KOrUQvvXzEsc+cTUHqFXFXYBtAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4320c9bb34e9424a2a566b0399c7484181561cb37b80b19fdbc34598e5a6818f","last_reissued_at":"2026-07-05T10:11:10.391910Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:11:10.391910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0406321","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":"2026-07-05T10:11:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vGfVFxa799nhkzlY6lbtV4ocAsFYt23TW0XV7duChaDOPEY3SCb3QzbJKxIyKaiIYzDScOe29iBur3qpKm2KDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:26:58.874226Z"},"content_sha256":"a2519c7eca1051558f6cc974127860940046c802e1a91fd2d884967d34bacc72","schema_version":"1.0","event_id":"sha256:a2519c7eca1051558f6cc974127860940046c802e1a91fd2d884967d34bacc72"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:IMQMTOZU5FBEUKSWNMBZTR2IIG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Orbital Modulation of the Apparent Dispersion Measure Towards PSR J0737-3039A","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"Anatoly Spitkovsky (Berkeley; KIPAC, Donald C. Backer (Berkeley), Jonathan Arons (Berkeley), Paul Demorest (Berkeley), R. Ramachandran (Berkeley), Scott M. Ransom (McGill), Stanford), Victoria M. Kaspi (McGill)","submitted_at":"2004-06-14T17:33:51Z","abstract_excerpt":"This paper has been withdrawn from astro-ph and from the submission process to ApJ Letters since the variations \"observed\" are not real. As pointed out to me first by Willem van Straten and shortly thereafter by Matthew Bailes and Dick Manchester, the \"Orbital Modulation of the Apparent Dispersion Measure Towards PSR J0737-3039A\" is, in fact, an artifact of the data reduction.  The problem occurs only for observations using very wide bandwidths of fast-moving and compact-orbit binary pulsars when reduced in a \"traditional\" manner (for folding of data, this means using a single set of polycos t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0406321","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0406321/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:11:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JPGEPq/KuhHw59esCUqEDX85+nUcyiDBJBlkdFZpEn/m6Mp+l+ICpGn7fR1bB+zij6o6/5WXQFWRVNQiM7sYBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-11T01:26:58.874765Z"},"content_sha256":"1969f29f0135bb6446f5bd652fd9426dae07462d322225e65dd1cddebf9011e5","schema_version":"1.0","event_id":"sha256:1969f29f0135bb6446f5bd652fd9426dae07462d322225e65dd1cddebf9011e5"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IMQMTOZU5FBEUKSWNMBZTR2IIG/bundle.json","state_url":"https://pith.science/pith/IMQMTOZU5FBEUKSWNMBZTR2IIG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IMQMTOZU5FBEUKSWNMBZTR2IIG/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":"2026-08-11T01:26:58Z","links":{"resolver":"https://pith.science/pith/IMQMTOZU5FBEUKSWNMBZTR2IIG","bundle":"https://pith.science/pith/IMQMTOZU5FBEUKSWNMBZTR2IIG/bundle.json","state":"https://pith.science/pith/IMQMTOZU5FBEUKSWNMBZTR2IIG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IMQMTOZU5FBEUKSWNMBZTR2IIG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:IMQMTOZU5FBEUKSWNMBZTR2IIG","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":"e7b62b0367f276896b44da8216eb6da5bb6e06222998085b38fc42b474b658ca","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-14T17:33:51Z","title_canon_sha256":"c55bccd404d8754ca58d60b458f0e46bcebb25ea38c71fcb4129e1d96dbf047e"},"schema_version":"1.0","source":{"id":"astro-ph/0406321","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0406321","created_at":"2026-07-05T10:11:10Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0406321v2","created_at":"2026-07-05T10:11:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0406321","created_at":"2026-07-05T10:11:10Z"},{"alias_kind":"pith_short_12","alias_value":"IMQMTOZU5FBE","created_at":"2026-07-05T10:11:10Z"},{"alias_kind":"pith_short_16","alias_value":"IMQMTOZU5FBEUKSW","created_at":"2026-07-05T10:11:10Z"},{"alias_kind":"pith_short_8","alias_value":"IMQMTOZU","created_at":"2026-07-05T10:11:10Z"}],"graph_snapshots":[{"event_id":"sha256:1969f29f0135bb6446f5bd652fd9426dae07462d322225e65dd1cddebf9011e5","target":"graph","created_at":"2026-07-05T10:11:10Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0406321/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"This paper has been withdrawn from astro-ph and from the submission process to ApJ Letters since the variations \"observed\" are not real. As pointed out to me first by Willem van Straten and shortly thereafter by Matthew Bailes and Dick Manchester, the \"Orbital Modulation of the Apparent Dispersion Measure Towards PSR J0737-3039A\" is, in fact, an artifact of the data reduction.  The problem occurs only for observations using very wide bandwidths of fast-moving and compact-orbit binary pulsars when reduced in a \"traditional\" manner (for folding of data, this means using a single set of polycos t","authors_text":"Anatoly Spitkovsky (Berkeley; KIPAC, Donald C. Backer (Berkeley), Jonathan Arons (Berkeley), Paul Demorest (Berkeley), R. Ramachandran (Berkeley), Scott M. Ransom (McGill), Stanford), Victoria M. Kaspi (McGill)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2004-06-14T17:33:51Z","title":"Orbital Modulation of the Apparent Dispersion Measure Towards PSR J0737-3039A"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0406321","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:a2519c7eca1051558f6cc974127860940046c802e1a91fd2d884967d34bacc72","target":"record","created_at":"2026-07-05T10:11:10Z","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":"e7b62b0367f276896b44da8216eb6da5bb6e06222998085b38fc42b474b658ca","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2004-06-14T17:33:51Z","title_canon_sha256":"c55bccd404d8754ca58d60b458f0e46bcebb25ea38c71fcb4129e1d96dbf047e"},"schema_version":"1.0","source":{"id":"astro-ph/0406321","kind":"arxiv","version":2}},"canonical_sha256":"4320c9bb34e9424a2a566b0399c7484181561cb37b80b19fdbc34598e5a6818f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4320c9bb34e9424a2a566b0399c7484181561cb37b80b19fdbc34598e5a6818f","first_computed_at":"2026-07-05T10:11:10.391910Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:11:10.391910Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"nr4UWRGA0lJnHJ62vRfLvj/Yul7cHOf8q57ure/8B59eiahv57uO/TcsU19KOrUQvvXzEsc+cTUHqFXFXYBtAg==","signature_status":"signed_v1","signed_at":"2026-07-05T10:11:10.392421Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0406321","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a2519c7eca1051558f6cc974127860940046c802e1a91fd2d884967d34bacc72","sha256:1969f29f0135bb6446f5bd652fd9426dae07462d322225e65dd1cddebf9011e5"],"state_sha256":"cf7355a4c594e85f96b77c0a9d820fa4eb37ed517d2646cc170692607f1549dd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BjRKooIsWhV6yQ910rVV35flxFchmNq7PUBOKw4xOX7CupdP22ZmVGL/uvwuxQkBoVGUA0Wxh88jQ3vQZ0cpCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-11T01:26:58.879690Z","bundle_sha256":"b85094c6d8b15c76ce88ab2c7bada53114bbf01989f5fdb01920b0b4b6f9f6d0"}}