{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:65Y7OXX3A5NQ2J4RDC45LJFUJ7","short_pith_number":"pith:65Y7OXX3","canonical_record":{"source":{"id":"1605.03588","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-11T20:00:04Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"f3c55370029e3312cb35a9a9a5ad4a0cf336ea7f1304a329d00e70a544000677","abstract_canon_sha256":"42d667bfedd4ba8ad4c28b4ef9d611e5b0d9f30327a9fac87a3b2ed6055dc11e"},"schema_version":"1.0"},"canonical_sha256":"f771f75efb075b0d279118b9d5a4b44ff34a7a40111128c67a337a532718feba","source":{"kind":"arxiv","id":"1605.03588","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.03588","created_at":"2026-05-18T01:12:11Z"},{"alias_kind":"arxiv_version","alias_value":"1605.03588v2","created_at":"2026-05-18T01:12:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.03588","created_at":"2026-05-18T01:12:11Z"},{"alias_kind":"pith_short_12","alias_value":"65Y7OXX3A5NQ","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"65Y7OXX3A5NQ2J4R","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"65Y7OXX3","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:65Y7OXX3A5NQ2J4RDC45LJFUJ7","target":"record","payload":{"canonical_record":{"source":{"id":"1605.03588","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-11T20:00:04Z","cross_cats_sorted":["astro-ph.CO","gr-qc"],"title_canon_sha256":"f3c55370029e3312cb35a9a9a5ad4a0cf336ea7f1304a329d00e70a544000677","abstract_canon_sha256":"42d667bfedd4ba8ad4c28b4ef9d611e5b0d9f30327a9fac87a3b2ed6055dc11e"},"schema_version":"1.0"},"canonical_sha256":"f771f75efb075b0d279118b9d5a4b44ff34a7a40111128c67a337a532718feba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:12:11.551811Z","signature_b64":"Ld03s4Jlv/ekiu5HFdoPPrEuybjHz4xb5zqt2E4+hhMlmBlXFWlPa1fdpiA2Vh1f+F+RC3/cu/lFlgk1tpaRCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f771f75efb075b0d279118b9d5a4b44ff34a7a40111128c67a337a532718feba","last_reissued_at":"2026-05-18T01:12:11.551401Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:12:11.551401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1605.03588","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":"2026-05-18T01:12:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ft9a0owhrjJt4SIYxKMEyLRDf5lsgbaxtnCL8ThTF0DeslIfj2ylrajhCpU336MLoRwb1+gArCiBG8A99l0vDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:36:13.550077Z"},"content_sha256":"e1ea6495a54efa4deb48d3c20dad1172f9e859cd2c584548ab63547b5203e5d1","schema_version":"1.0","event_id":"sha256:e1ea6495a54efa4deb48d3c20dad1172f9e859cd2c584548ab63547b5203e5d1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:65Y7OXX3A5NQ2J4RDC45LJFUJ7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polarization of prompt and afterglow emission of Gamma-Ray Bursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","gr-qc"],"primary_cat":"astro-ph.HE","authors_text":"Diego Gotz, Stefano Covino","submitted_at":"2016-05-11T20:00:04Z","abstract_excerpt":"Gamma-ray bursts and their afterglows are thought to be produced by an ultra-relativistic jet. One of the most important open questions is the outflow composition: the energy may be carried out from the central source either as kinetic energy (of baryons and/or pairs), or in electromagnetic form (Poynting flux). While the total observable flux may be indistinguishable in both cases, its polarization properties are expected to differ markedly. The prompt emission and afterglow polarization are also a powerful diagnostic of the jet geometry. Again, with subtle and hardly detectable differences i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.03588","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":""},"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":"2026-05-18T01:12:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"WCoy6sSS6KMOK71kd+2ez1+wDidTCcdfxxR9IvulypBHQwZHoeeOa+8V4JEDJLnThYK7cmmYF8N8m98SRlfKCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T06:36:13.550433Z"},"content_sha256":"b78af139db660d5a9eefe38dd5c5583844b5e4ed466502ec80b87843943a08b7","schema_version":"1.0","event_id":"sha256:b78af139db660d5a9eefe38dd5c5583844b5e4ed466502ec80b87843943a08b7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/65Y7OXX3A5NQ2J4RDC45LJFUJ7/bundle.json","state_url":"https://pith.science/pith/65Y7OXX3A5NQ2J4RDC45LJFUJ7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/65Y7OXX3A5NQ2J4RDC45LJFUJ7/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":"2026-06-03T06:36:13Z","links":{"resolver":"https://pith.science/pith/65Y7OXX3A5NQ2J4RDC45LJFUJ7","bundle":"https://pith.science/pith/65Y7OXX3A5NQ2J4RDC45LJFUJ7/bundle.json","state":"https://pith.science/pith/65Y7OXX3A5NQ2J4RDC45LJFUJ7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/65Y7OXX3A5NQ2J4RDC45LJFUJ7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:65Y7OXX3A5NQ2J4RDC45LJFUJ7","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":"42d667bfedd4ba8ad4c28b4ef9d611e5b0d9f30327a9fac87a3b2ed6055dc11e","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-11T20:00:04Z","title_canon_sha256":"f3c55370029e3312cb35a9a9a5ad4a0cf336ea7f1304a329d00e70a544000677"},"schema_version":"1.0","source":{"id":"1605.03588","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1605.03588","created_at":"2026-05-18T01:12:11Z"},{"alias_kind":"arxiv_version","alias_value":"1605.03588v2","created_at":"2026-05-18T01:12:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1605.03588","created_at":"2026-05-18T01:12:11Z"},{"alias_kind":"pith_short_12","alias_value":"65Y7OXX3A5NQ","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"65Y7OXX3A5NQ2J4R","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"65Y7OXX3","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:b78af139db660d5a9eefe38dd5c5583844b5e4ed466502ec80b87843943a08b7","target":"graph","created_at":"2026-05-18T01:12:11Z","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":"Gamma-ray bursts and their afterglows are thought to be produced by an ultra-relativistic jet. One of the most important open questions is the outflow composition: the energy may be carried out from the central source either as kinetic energy (of baryons and/or pairs), or in electromagnetic form (Poynting flux). While the total observable flux may be indistinguishable in both cases, its polarization properties are expected to differ markedly. The prompt emission and afterglow polarization are also a powerful diagnostic of the jet geometry. Again, with subtle and hardly detectable differences i","authors_text":"Diego Gotz, Stefano Covino","cross_cats":["astro-ph.CO","gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-11T20:00:04Z","title":"Polarization of prompt and afterglow emission of Gamma-Ray Bursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1605.03588","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:e1ea6495a54efa4deb48d3c20dad1172f9e859cd2c584548ab63547b5203e5d1","target":"record","created_at":"2026-05-18T01:12:11Z","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":"42d667bfedd4ba8ad4c28b4ef9d611e5b0d9f30327a9fac87a3b2ed6055dc11e","cross_cats_sorted":["astro-ph.CO","gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2016-05-11T20:00:04Z","title_canon_sha256":"f3c55370029e3312cb35a9a9a5ad4a0cf336ea7f1304a329d00e70a544000677"},"schema_version":"1.0","source":{"id":"1605.03588","kind":"arxiv","version":2}},"canonical_sha256":"f771f75efb075b0d279118b9d5a4b44ff34a7a40111128c67a337a532718feba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f771f75efb075b0d279118b9d5a4b44ff34a7a40111128c67a337a532718feba","first_computed_at":"2026-05-18T01:12:11.551401Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:12:11.551401Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Ld03s4Jlv/ekiu5HFdoPPrEuybjHz4xb5zqt2E4+hhMlmBlXFWlPa1fdpiA2Vh1f+F+RC3/cu/lFlgk1tpaRCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:12:11.551811Z","signed_message":"canonical_sha256_bytes"},"source_id":"1605.03588","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e1ea6495a54efa4deb48d3c20dad1172f9e859cd2c584548ab63547b5203e5d1","sha256:b78af139db660d5a9eefe38dd5c5583844b5e4ed466502ec80b87843943a08b7"],"state_sha256":"6b6c7c11f394d9e1ee861d92f8e94cd5e04b6af83e77395aa5e72d3b26255ec4"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vYCHnBT4bXHNY1MVnIuwd3rSR2cFyTPJoEeTBv1QlL6UVOum81TXOEvy3JaEno+Z93b9nr+B/6J5KG7jLkW6Cg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T06:36:13.552330Z","bundle_sha256":"42d5539226aeeac41005018e9078b99268f3ea478d7280b912863a10ac22e9a3"}}