{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:4KZEU3T2M326MX5L2RKMDRJPR5","short_pith_number":"pith:4KZEU3T2","canonical_record":{"source":{"id":"1302.5713","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-02-22T21:15:11Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"b47cf3f10374d5c4e107128ca0d0488b4603cfcfe9808b87c8e9b1e6716989cd","abstract_canon_sha256":"3e502830734884f9f4a4af4b96090b3b431440756b23746ce3694c851151ac1a"},"schema_version":"1.0"},"canonical_sha256":"e2b24a6e7a66f5e65fabd454c1c52f8f6f042f44a6cdd10d418044838523a7de","source":{"kind":"arxiv","id":"1302.5713","version":4},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.5713","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"arxiv_version","alias_value":"1302.5713v4","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.5713","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"pith_short_12","alias_value":"4KZEU3T2M326","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4KZEU3T2M326MX5L","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4KZEU3T2","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:4KZEU3T2M326MX5L2RKMDRJPR5","target":"record","payload":{"canonical_record":{"source":{"id":"1302.5713","kind":"arxiv","version":4},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-02-22T21:15:11Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"b47cf3f10374d5c4e107128ca0d0488b4603cfcfe9808b87c8e9b1e6716989cd","abstract_canon_sha256":"3e502830734884f9f4a4af4b96090b3b431440756b23746ce3694c851151ac1a"},"schema_version":"1.0"},"canonical_sha256":"e2b24a6e7a66f5e65fabd454c1c52f8f6f042f44a6cdd10d418044838523a7de","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:01:46.747753Z","signature_b64":"Iku0uL+AvLmCzO+Bgdvm1NjFeGA+vjjMOs1MzjfFZoxewDGS6sTHi73avtSnYW1AWct+NKyJsEpi+L075cSPDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e2b24a6e7a66f5e65fabd454c1c52f8f6f042f44a6cdd10d418044838523a7de","last_reissued_at":"2026-05-18T03:01:46.747231Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:01:46.747231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1302.5713","source_version":4,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:01:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rPglRSxucxs/9YsdzlNoOkepbBpE5O9TJkbXN8LUBabx3S7YQKdBsk2Jn9Fjb6SUDo1bDcMPTYs2mYR51lb2AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:08:11.391990Z"},"content_sha256":"6e191cf254275cab8c64b8fa486221921283956795f51d5e053c60943a33e36c","schema_version":"1.0","event_id":"sha256:6e191cf254275cab8c64b8fa486221921283956795f51d5e053c60943a33e36c"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:4KZEU3T2M326MX5L2RKMDRJPR5","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Gravitational Wave Memory from Gamma Ray Bursts' Jets","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Ofek Birnholtz, Tsvi Piran","submitted_at":"2013-02-22T21:15:11Z","abstract_excerpt":"While the possible roles of GRBs' progenitors as Gravitational Waves (GW) sources have been extensively studied, little attention has been given to the jet itself as a GW source. We expect the jet's acceleration to produce a GW Memory signal. While all relativistic jet models display anti-beaming of GW radiation away from the jet axis, thus radiating away from directions of GRBs' gamma radiation, this effect is not overwhelming. The decrease of the signal amplitude towards the cone of gamma-ray detectability is weak, and for some models and parameters the GW signal reaches a significant amplit"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.5713","kind":"arxiv","version":4},"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":"2026-05-18T03:01:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UNV1+ETCeMr7JsxkUwjGWJW3QWjYaPnwGeZ8ugXNBpG1O4G1fgMzfRjyAAgrjFDMHo3DoVHSUtQ3FYDwngnDCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T08:08:11.392693Z"},"content_sha256":"7ed7d6374b0f0752714b5f1a0580dac55b080d09daa3025be11491f7b19f364e","schema_version":"1.0","event_id":"sha256:7ed7d6374b0f0752714b5f1a0580dac55b080d09daa3025be11491f7b19f364e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4KZEU3T2M326MX5L2RKMDRJPR5/bundle.json","state_url":"https://pith.science/pith/4KZEU3T2M326MX5L2RKMDRJPR5/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4KZEU3T2M326MX5L2RKMDRJPR5/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":"2026-05-25T08:08:11Z","links":{"resolver":"https://pith.science/pith/4KZEU3T2M326MX5L2RKMDRJPR5","bundle":"https://pith.science/pith/4KZEU3T2M326MX5L2RKMDRJPR5/bundle.json","state":"https://pith.science/pith/4KZEU3T2M326MX5L2RKMDRJPR5/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4KZEU3T2M326MX5L2RKMDRJPR5/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:4KZEU3T2M326MX5L2RKMDRJPR5","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":"3e502830734884f9f4a4af4b96090b3b431440756b23746ce3694c851151ac1a","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-02-22T21:15:11Z","title_canon_sha256":"b47cf3f10374d5c4e107128ca0d0488b4603cfcfe9808b87c8e9b1e6716989cd"},"schema_version":"1.0","source":{"id":"1302.5713","kind":"arxiv","version":4}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1302.5713","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"arxiv_version","alias_value":"1302.5713v4","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1302.5713","created_at":"2026-05-18T03:01:46Z"},{"alias_kind":"pith_short_12","alias_value":"4KZEU3T2M326","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"4KZEU3T2M326MX5L","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"4KZEU3T2","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:7ed7d6374b0f0752714b5f1a0580dac55b080d09daa3025be11491f7b19f364e","target":"graph","created_at":"2026-05-18T03:01:46Z","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":"While the possible roles of GRBs' progenitors as Gravitational Waves (GW) sources have been extensively studied, little attention has been given to the jet itself as a GW source. We expect the jet's acceleration to produce a GW Memory signal. While all relativistic jet models display anti-beaming of GW radiation away from the jet axis, thus radiating away from directions of GRBs' gamma radiation, this effect is not overwhelming. The decrease of the signal amplitude towards the cone of gamma-ray detectability is weak, and for some models and parameters the GW signal reaches a significant amplit","authors_text":"Ofek Birnholtz, Tsvi Piran","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-02-22T21:15:11Z","title":"Gravitational Wave Memory from Gamma Ray Bursts' Jets"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1302.5713","kind":"arxiv","version":4},"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":"sha256:6e191cf254275cab8c64b8fa486221921283956795f51d5e053c60943a33e36c","target":"record","created_at":"2026-05-18T03:01:46Z","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":"3e502830734884f9f4a4af4b96090b3b431440756b23746ce3694c851151ac1a","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-02-22T21:15:11Z","title_canon_sha256":"b47cf3f10374d5c4e107128ca0d0488b4603cfcfe9808b87c8e9b1e6716989cd"},"schema_version":"1.0","source":{"id":"1302.5713","kind":"arxiv","version":4}},"canonical_sha256":"e2b24a6e7a66f5e65fabd454c1c52f8f6f042f44a6cdd10d418044838523a7de","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e2b24a6e7a66f5e65fabd454c1c52f8f6f042f44a6cdd10d418044838523a7de","first_computed_at":"2026-05-18T03:01:46.747231Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:01:46.747231Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Iku0uL+AvLmCzO+Bgdvm1NjFeGA+vjjMOs1MzjfFZoxewDGS6sTHi73avtSnYW1AWct+NKyJsEpi+L075cSPDg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:01:46.747753Z","signed_message":"canonical_sha256_bytes"},"source_id":"1302.5713","source_kind":"arxiv","source_version":4}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6e191cf254275cab8c64b8fa486221921283956795f51d5e053c60943a33e36c","sha256:7ed7d6374b0f0752714b5f1a0580dac55b080d09daa3025be11491f7b19f364e"],"state_sha256":"56c7656058f503ca61ff508b0e258642a3d985431a086ca5c197240d4fab7166"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dfgp8X3U2EqXD8M5+dC64k8yoYAmPfkKduWcZp7wOzqpHcJmLN/Kio8CqQT4U73wfSa0/t+M78ID98zz1G08CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T08:08:11.396223Z","bundle_sha256":"c9444bde04de3d7272ae5700e516e12c4d6af8911364c0366c63d94a94ca3a35"}}