{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:463YJN4MYW2RT3GZ6RCJ6YZWM6","short_pith_number":"pith:463YJN4M","canonical_record":{"source":{"id":"1305.0816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-05-03T19:58:39Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"64e2a1b13e6bad7e746817266e90edded6770d07f2f38832106a67c2828ac57f","abstract_canon_sha256":"8e86bae3860eab69fdae0ec5f6df2eb1bd9d28589663bc6d8eba4e330993f643"},"schema_version":"1.0"},"canonical_sha256":"e7b784b78cc5b519ecd9f4449f6336679ac6ec1e9b1b321101f246b0e3e821c3","source":{"kind":"arxiv","id":"1305.0816","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.0816","created_at":"2026-05-18T01:50:12Z"},{"alias_kind":"arxiv_version","alias_value":"1305.0816v1","created_at":"2026-05-18T01:50:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0816","created_at":"2026-05-18T01:50:12Z"},{"alias_kind":"pith_short_12","alias_value":"463YJN4MYW2R","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"463YJN4MYW2RT3GZ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"463YJN4M","created_at":"2026-05-18T12:27:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:463YJN4MYW2RT3GZ6RCJ6YZWM6","target":"record","payload":{"canonical_record":{"source":{"id":"1305.0816","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-05-03T19:58:39Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"64e2a1b13e6bad7e746817266e90edded6770d07f2f38832106a67c2828ac57f","abstract_canon_sha256":"8e86bae3860eab69fdae0ec5f6df2eb1bd9d28589663bc6d8eba4e330993f643"},"schema_version":"1.0"},"canonical_sha256":"e7b784b78cc5b519ecd9f4449f6336679ac6ec1e9b1b321101f246b0e3e821c3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:50:12.500907Z","signature_b64":"pFavjxJD08Iv74DV6qJTXzX88KKucXBtzJM9yUMHu8K4GlsC6/KBy5ROTUvOsIdBwfYOtnQB+wYRjVKiw+c7CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e7b784b78cc5b519ecd9f4449f6336679ac6ec1e9b1b321101f246b0e3e821c3","last_reissued_at":"2026-05-18T01:50:12.500295Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:50:12.500295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1305.0816","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":"2026-05-18T01:50:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"75AvRg1nWL2ojD7PJK4GwfKtn2dlo/0RQFEyXpwQYBI7uPWkwm1rCf4ale6PjkM5jmzItRTCsKSa0gKFFrmuBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:20:17.191423Z"},"content_sha256":"7643f1bd5e2464170d2b6d7061f43f488da36f608d29b43ff858244af16dc6c2","schema_version":"1.0","event_id":"sha256:7643f1bd5e2464170d2b6d7061f43f488da36f608d29b43ff858244af16dc6c2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:463YJN4MYW2RT3GZ6RCJ6YZWM6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Transient Gravitational-Wave Sky","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"gr-qc","authors_text":"Alicia Soderberg, Andrew MacFadyen, Antony Searle, Bruno Giacomazzo, Carl Rodriguez, Chris Fryer, Christian Reisswig, David Neilsen, Deirdre Shoemaker, Emanuele Berti, Erik Schnetter, Harald Pfeiffer, Ik Siong Heng, Ilya Mandel, James Clark, Janna Levin, Jocelyn Read, John Baker, Jose Antonio Gonzalez, Kostas Kokkotas, Kris Belczynski, Laura Cadonati, Lee Samuel Finn, Luis Lehner, Marc Favata, Martin Hendry, Max Ruffert, Michal Was, Nathan Johnson-McDaniel, Nial Tanvir, Nils Andersson, Pablo Cerda-Duran, Pablo Laguna, Patrick Sutton, Paul O'Brien, Peter Kalmus, Peter Shawhan, Rosalba Perna, Sebastiano Bernuzzi, Sergei Klimenko, Shiho Kobayashi, Stan Whitcomb, Stefan Hild, Steve Liebling, Szabolcs Marka, Ulrich Sperhake, Zsuzsa Marka","submitted_at":"2013-05-03T19:58:39Z","abstract_excerpt":"Interferometric detectors will very soon give us an unprecedented view of the gravitational-wave sky, and in particular of the explosive and transient Universe. Now is the time to challenge our theoretical understanding of short-duration gravitational-wave signatures from cataclysmic events, their connection to more traditional electromagnetic and particle astrophysics, and the data analysis techniques that will make the observations a reality. This paper summarizes the state of the art, future science opportunities, and current challenges in understanding gravitational-wave transients."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0816","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":"2026-05-18T01:50:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FHDhoYUHrESmr7APlLYH5OT8noQg80M8/cgRdPDy5YJJuOTzzPFIeXrz8Jz3WeoF2gdXHhyzNhSdtIjBXj//CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T06:20:17.192070Z"},"content_sha256":"7e71c15996116ed39f6200cddbdcb26103fd6c706a0abf87e1562c60a30c201d","schema_version":"1.0","event_id":"sha256:7e71c15996116ed39f6200cddbdcb26103fd6c706a0abf87e1562c60a30c201d"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/463YJN4MYW2RT3GZ6RCJ6YZWM6/bundle.json","state_url":"https://pith.science/pith/463YJN4MYW2RT3GZ6RCJ6YZWM6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/463YJN4MYW2RT3GZ6RCJ6YZWM6/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":"2026-05-26T06:20:17Z","links":{"resolver":"https://pith.science/pith/463YJN4MYW2RT3GZ6RCJ6YZWM6","bundle":"https://pith.science/pith/463YJN4MYW2RT3GZ6RCJ6YZWM6/bundle.json","state":"https://pith.science/pith/463YJN4MYW2RT3GZ6RCJ6YZWM6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/463YJN4MYW2RT3GZ6RCJ6YZWM6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:463YJN4MYW2RT3GZ6RCJ6YZWM6","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":"8e86bae3860eab69fdae0ec5f6df2eb1bd9d28589663bc6d8eba4e330993f643","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-05-03T19:58:39Z","title_canon_sha256":"64e2a1b13e6bad7e746817266e90edded6770d07f2f38832106a67c2828ac57f"},"schema_version":"1.0","source":{"id":"1305.0816","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1305.0816","created_at":"2026-05-18T01:50:12Z"},{"alias_kind":"arxiv_version","alias_value":"1305.0816v1","created_at":"2026-05-18T01:50:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1305.0816","created_at":"2026-05-18T01:50:12Z"},{"alias_kind":"pith_short_12","alias_value":"463YJN4MYW2R","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_16","alias_value":"463YJN4MYW2RT3GZ","created_at":"2026-05-18T12:27:32Z"},{"alias_kind":"pith_short_8","alias_value":"463YJN4M","created_at":"2026-05-18T12:27:32Z"}],"graph_snapshots":[{"event_id":"sha256:7e71c15996116ed39f6200cddbdcb26103fd6c706a0abf87e1562c60a30c201d","target":"graph","created_at":"2026-05-18T01:50:12Z","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":"Interferometric detectors will very soon give us an unprecedented view of the gravitational-wave sky, and in particular of the explosive and transient Universe. Now is the time to challenge our theoretical understanding of short-duration gravitational-wave signatures from cataclysmic events, their connection to more traditional electromagnetic and particle astrophysics, and the data analysis techniques that will make the observations a reality. This paper summarizes the state of the art, future science opportunities, and current challenges in understanding gravitational-wave transients.","authors_text":"Alicia Soderberg, Andrew MacFadyen, Antony Searle, Bruno Giacomazzo, Carl Rodriguez, Chris Fryer, Christian Reisswig, David Neilsen, Deirdre Shoemaker, Emanuele Berti, Erik Schnetter, Harald Pfeiffer, Ik Siong Heng, Ilya Mandel, James Clark, Janna Levin, Jocelyn Read, John Baker, Jose Antonio Gonzalez, Kostas Kokkotas, Kris Belczynski, Laura Cadonati, Lee Samuel Finn, Luis Lehner, Marc Favata, Martin Hendry, Max Ruffert, Michal Was, Nathan Johnson-McDaniel, Nial Tanvir, Nils Andersson, Pablo Cerda-Duran, Pablo Laguna, Patrick Sutton, Paul O'Brien, Peter Kalmus, Peter Shawhan, Rosalba Perna, Sebastiano Bernuzzi, Sergei Klimenko, Shiho Kobayashi, Stan Whitcomb, Stefan Hild, Steve Liebling, Szabolcs Marka, Ulrich Sperhake, Zsuzsa Marka","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-05-03T19:58:39Z","title":"The Transient Gravitational-Wave Sky"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1305.0816","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":"sha256:7643f1bd5e2464170d2b6d7061f43f488da36f608d29b43ff858244af16dc6c2","target":"record","created_at":"2026-05-18T01:50:12Z","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":"8e86bae3860eab69fdae0ec5f6df2eb1bd9d28589663bc6d8eba4e330993f643","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2013-05-03T19:58:39Z","title_canon_sha256":"64e2a1b13e6bad7e746817266e90edded6770d07f2f38832106a67c2828ac57f"},"schema_version":"1.0","source":{"id":"1305.0816","kind":"arxiv","version":1}},"canonical_sha256":"e7b784b78cc5b519ecd9f4449f6336679ac6ec1e9b1b321101f246b0e3e821c3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e7b784b78cc5b519ecd9f4449f6336679ac6ec1e9b1b321101f246b0e3e821c3","first_computed_at":"2026-05-18T01:50:12.500295Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:50:12.500295Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"pFavjxJD08Iv74DV6qJTXzX88KKucXBtzJM9yUMHu8K4GlsC6/KBy5ROTUvOsIdBwfYOtnQB+wYRjVKiw+c7CA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:50:12.500907Z","signed_message":"canonical_sha256_bytes"},"source_id":"1305.0816","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7643f1bd5e2464170d2b6d7061f43f488da36f608d29b43ff858244af16dc6c2","sha256:7e71c15996116ed39f6200cddbdcb26103fd6c706a0abf87e1562c60a30c201d"],"state_sha256":"3647ae2e1dcaa2a2063f67050da23b9587e0fe1268cf61b2b040afa5f71e4a19"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DkLTHqP2fJvrfhTXyCf5IcUCDqINDFYkwTqWRVkdCT49POQ+/JbMUcVeAodlYDCPwQP9ojtjXeWGIAJWvzF9BA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T06:20:17.195446Z","bundle_sha256":"e58c52071a45f6c5e09ea53ca4936d8a8a6587eab9f10c312552b24a340b0ef8"}}