{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:7P4DM46ZK5SKGYHI5PFMCL7GEB","short_pith_number":"pith:7P4DM46Z","canonical_record":{"source":{"id":"1501.05591","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-22T18:25:53Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR","gr-qc","nucl-ex"],"title_canon_sha256":"5cfc898b390916e3f574953f20cbefc202a803873251154f116eedca1a1551c7","abstract_canon_sha256":"4ce7cfdcc367cf25aef23079995dcef5e2a42d0fd2660fb0088a304d150a84f1"},"schema_version":"1.0"},"canonical_sha256":"fbf83673d95764a360e8ebcac12fe620527e9dbc7e2f1a77c7b4772b002e3420","source":{"kind":"arxiv","id":"1501.05591","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.05591","created_at":"2026-05-18T02:28:54Z"},{"alias_kind":"arxiv_version","alias_value":"1501.05591v1","created_at":"2026-05-18T02:28:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05591","created_at":"2026-05-18T02:28:54Z"},{"alias_kind":"pith_short_12","alias_value":"7P4DM46ZK5SK","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7P4DM46ZK5SKGYHI","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7P4DM46Z","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:7P4DM46ZK5SKGYHI5PFMCL7GEB","target":"record","payload":{"canonical_record":{"source":{"id":"1501.05591","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-22T18:25:53Z","cross_cats_sorted":["astro-ph.IM","astro-ph.SR","gr-qc","nucl-ex"],"title_canon_sha256":"5cfc898b390916e3f574953f20cbefc202a803873251154f116eedca1a1551c7","abstract_canon_sha256":"4ce7cfdcc367cf25aef23079995dcef5e2a42d0fd2660fb0088a304d150a84f1"},"schema_version":"1.0"},"canonical_sha256":"fbf83673d95764a360e8ebcac12fe620527e9dbc7e2f1a77c7b4772b002e3420","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:28:54.413934Z","signature_b64":"GSvx4zDMaVIUkOMw2VYP0WiSocZNOCOiPiKP0JS6ryCk9gizH5rTOY8NGzdG3ubGWfyJ+YMg5dXUyMKzhyArBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fbf83673d95764a360e8ebcac12fe620527e9dbc7e2f1a77c7b4772b002e3420","last_reissued_at":"2026-05-18T02:28:54.413579Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:28:54.413579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1501.05591","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":"2026-05-18T02:28:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BgYowba7+L9j/hnVHbEJykSC8g/eu7++G7jnjYqu+SD5mfXybLd3ZO5PZJhjOco5VmAl3RlYDdeNlLxM4p1ACw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T18:14:17.022807Z"},"content_sha256":"abee38038a74293652c836a67e4966ab24ab79d824c09950af979db303788c70","schema_version":"1.0","event_id":"sha256:abee38038a74293652c836a67e4966ab24ab79d824c09950af979db303788c70"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:7P4DM46ZK5SKGYHI5PFMCL7GEB","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multi-wavelength, Multi-Messenger Pulsar Science in the SKA Era","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["astro-ph.IM","astro-ph.SR","gr-qc","nucl-ex"],"primary_cat":"astro-ph.HE","authors_text":"Andrea Possenti, Benjamin Stappers, John Antoniadis, Joseph D. Gelfand, Lucas Guillemot, Michael Kramer, Pablo Torne, Roberto Mignani, Slavko Bogdanov","submitted_at":"2015-01-22T18:25:53Z","abstract_excerpt":"The Square Kilometre Array (SKA) is an integral part of the next-generation observatories that will survey the Universe across the electromagnetic spectrum, and beyond, revolutionizing our view of fundamental physics, astrophysics and cosmology. Owing to their extreme nature and clock-like properties, pulsars discovered and monitored by SKA will enable a broad range of scientific endeavour and play a key role in this quest. This chapter summarizes the pulsar-related science goals that will be reached with coordinated efforts among SKA and other next-generation astronomical facilities."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05591","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":"2026-05-18T02:28:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"G1fFHqb1Hgk2wTpPyfQ2wFfxvlzpV43uqIsC/cG6UXcxwfOAn9s9PXZXi+ZunKNtieYSOIJ6cRhVZshX65gdCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T18:14:17.023464Z"},"content_sha256":"b0f62c95297584d0df6a675350267424952e8bac19cd79df83469c48386b0fcc","schema_version":"1.0","event_id":"sha256:b0f62c95297584d0df6a675350267424952e8bac19cd79df83469c48386b0fcc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7P4DM46ZK5SKGYHI5PFMCL7GEB/bundle.json","state_url":"https://pith.science/pith/7P4DM46ZK5SKGYHI5PFMCL7GEB/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7P4DM46ZK5SKGYHI5PFMCL7GEB/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":"2026-05-28T18:14:17Z","links":{"resolver":"https://pith.science/pith/7P4DM46ZK5SKGYHI5PFMCL7GEB","bundle":"https://pith.science/pith/7P4DM46ZK5SKGYHI5PFMCL7GEB/bundle.json","state":"https://pith.science/pith/7P4DM46ZK5SKGYHI5PFMCL7GEB/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7P4DM46ZK5SKGYHI5PFMCL7GEB/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7P4DM46ZK5SKGYHI5PFMCL7GEB","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":"4ce7cfdcc367cf25aef23079995dcef5e2a42d0fd2660fb0088a304d150a84f1","cross_cats_sorted":["astro-ph.IM","astro-ph.SR","gr-qc","nucl-ex"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-22T18:25:53Z","title_canon_sha256":"5cfc898b390916e3f574953f20cbefc202a803873251154f116eedca1a1551c7"},"schema_version":"1.0","source":{"id":"1501.05591","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1501.05591","created_at":"2026-05-18T02:28:54Z"},{"alias_kind":"arxiv_version","alias_value":"1501.05591v1","created_at":"2026-05-18T02:28:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1501.05591","created_at":"2026-05-18T02:28:54Z"},{"alias_kind":"pith_short_12","alias_value":"7P4DM46ZK5SK","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7P4DM46ZK5SKGYHI","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7P4DM46Z","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:b0f62c95297584d0df6a675350267424952e8bac19cd79df83469c48386b0fcc","target":"graph","created_at":"2026-05-18T02:28:54Z","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 Square Kilometre Array (SKA) is an integral part of the next-generation observatories that will survey the Universe across the electromagnetic spectrum, and beyond, revolutionizing our view of fundamental physics, astrophysics and cosmology. Owing to their extreme nature and clock-like properties, pulsars discovered and monitored by SKA will enable a broad range of scientific endeavour and play a key role in this quest. This chapter summarizes the pulsar-related science goals that will be reached with coordinated efforts among SKA and other next-generation astronomical facilities.","authors_text":"Andrea Possenti, Benjamin Stappers, John Antoniadis, Joseph D. Gelfand, Lucas Guillemot, Michael Kramer, Pablo Torne, Roberto Mignani, Slavko Bogdanov","cross_cats":["astro-ph.IM","astro-ph.SR","gr-qc","nucl-ex"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-22T18:25:53Z","title":"Multi-wavelength, Multi-Messenger Pulsar Science in the SKA Era"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1501.05591","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:abee38038a74293652c836a67e4966ab24ab79d824c09950af979db303788c70","target":"record","created_at":"2026-05-18T02:28:54Z","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":"4ce7cfdcc367cf25aef23079995dcef5e2a42d0fd2660fb0088a304d150a84f1","cross_cats_sorted":["astro-ph.IM","astro-ph.SR","gr-qc","nucl-ex"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"astro-ph.HE","submitted_at":"2015-01-22T18:25:53Z","title_canon_sha256":"5cfc898b390916e3f574953f20cbefc202a803873251154f116eedca1a1551c7"},"schema_version":"1.0","source":{"id":"1501.05591","kind":"arxiv","version":1}},"canonical_sha256":"fbf83673d95764a360e8ebcac12fe620527e9dbc7e2f1a77c7b4772b002e3420","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fbf83673d95764a360e8ebcac12fe620527e9dbc7e2f1a77c7b4772b002e3420","first_computed_at":"2026-05-18T02:28:54.413579Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:28:54.413579Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GSvx4zDMaVIUkOMw2VYP0WiSocZNOCOiPiKP0JS6ryCk9gizH5rTOY8NGzdG3ubGWfyJ+YMg5dXUyMKzhyArBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:28:54.413934Z","signed_message":"canonical_sha256_bytes"},"source_id":"1501.05591","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:abee38038a74293652c836a67e4966ab24ab79d824c09950af979db303788c70","sha256:b0f62c95297584d0df6a675350267424952e8bac19cd79df83469c48386b0fcc"],"state_sha256":"68db886710b4a93455317a83d7e9c9692b29604529182f1c14f8cdc4a150e47d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"P6JckCw66ZJ3MoPRrn3YdCXSUvlYfXBPhed3thLBwscjZvX5jv+G+vBgqcmz+pxRI36LC6g4BSGMOxoBIrhEAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T18:14:17.027251Z","bundle_sha256":"7722fb5738af15f524a90ae80e6abeeb165238ec1534f0d508279c6e3c08b7cc"}}