{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:5P4ZNSAA6623ASXGCEWMX3E32M","short_pith_number":"pith:5P4ZNSAA","canonical_record":{"source":{"id":"1309.1239","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-09-05T06:21:58Z","cross_cats_sorted":[],"title_canon_sha256":"0e9076b84586fb0809e66f939dfb7787b59c842c5a218898f02e7f185fbf3cd9","abstract_canon_sha256":"3be6d37afd406c1f6a2092fbcfb352d36c1c07927eb57abe066f84b87772d178"},"schema_version":"1.0"},"canonical_sha256":"ebf996c800f7b5b04ae6112ccbec9bd301899202f91e4ec94a889d826bf235ab","source":{"kind":"arxiv","id":"1309.1239","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.1239","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"1309.1239v1","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1239","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"5P4ZNSAA6623","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"5P4ZNSAA6623ASXG","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"5P4ZNSAA","created_at":"2026-05-18T12:27:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:5P4ZNSAA6623ASXGCEWMX3E32M","target":"record","payload":{"canonical_record":{"source":{"id":"1309.1239","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-09-05T06:21:58Z","cross_cats_sorted":[],"title_canon_sha256":"0e9076b84586fb0809e66f939dfb7787b59c842c5a218898f02e7f185fbf3cd9","abstract_canon_sha256":"3be6d37afd406c1f6a2092fbcfb352d36c1c07927eb57abe066f84b87772d178"},"schema_version":"1.0"},"canonical_sha256":"ebf996c800f7b5b04ae6112ccbec9bd301899202f91e4ec94a889d826bf235ab","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:47:49.578691Z","signature_b64":"YKsdHwBnI9zkcrmU0jUHH3x6hXDMvcu0PiCZFMb4xdzLwbklR3gLR2N5XINsOIejAY1j2Nijw1JlebQcVoTdCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ebf996c800f7b5b04ae6112ccbec9bd301899202f91e4ec94a889d826bf235ab","last_reissued_at":"2026-05-18T01:47:49.578203Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:47:49.578203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1309.1239","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":"2026-05-18T01:47:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MS/1fy4ty9WT5uJfohiELlzS9e5baMbRGn++iVOx0Hg8jaOm5tDbUc4+24N5d9cV0lRTG9ZfZtvadGIpf7eXDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:30:20.061523Z"},"content_sha256":"c37a43f3b54c258acc64672a2cea4937e26b594bad63bfd2d01d9aa847b9ed6a","schema_version":"1.0","event_id":"sha256:c37a43f3b54c258acc64672a2cea4937e26b594bad63bfd2d01d9aa847b9ed6a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:5P4ZNSAA6623ASXGCEWMX3E32M","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Generation of High-Energy Photons at Ultra-Relativistic Shock Breakout in Supernovae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Akihiro Suzuki, Toshikazu Shigeyama, Yukari Ohtani","submitted_at":"2013-09-05T06:21:58Z","abstract_excerpt":"We present theoretical expectations for non-thermal emission due to the bulk Comptonization at the ultra-relativistic shock breakout. We calculate the transfer of photons emitted from the shocked matter with a Monte Carlo code fully taking into account special relativity. As a hydrodynamical model, we use a self-similar solution of Nakayama & Shigeyama (2005). Our calculations reveal that the spectral shape exhibits a double peak or a single peak depending on the shock temperature at the shock breakout. If it is significantly smaller than the rest energy of an electron, the spectrum has a doub"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1239","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":"2026-05-18T01:47:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"1L5B7A3BCQ/0O8UyojTaxOIryKOPSzAjzA/Ro/zaoYXS/mHdEnpf87ojJvWkVIcitWl6L8EiXPz3PztrfB99Cg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T17:30:20.062159Z"},"content_sha256":"a559c0fac351325e06b8a3e1bc6e7323557a9d3a615661dc6c6e408665b999f6","schema_version":"1.0","event_id":"sha256:a559c0fac351325e06b8a3e1bc6e7323557a9d3a615661dc6c6e408665b999f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5P4ZNSAA6623ASXGCEWMX3E32M/bundle.json","state_url":"https://pith.science/pith/5P4ZNSAA6623ASXGCEWMX3E32M/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5P4ZNSAA6623ASXGCEWMX3E32M/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":"2026-06-07T17:30:20Z","links":{"resolver":"https://pith.science/pith/5P4ZNSAA6623ASXGCEWMX3E32M","bundle":"https://pith.science/pith/5P4ZNSAA6623ASXGCEWMX3E32M/bundle.json","state":"https://pith.science/pith/5P4ZNSAA6623ASXGCEWMX3E32M/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5P4ZNSAA6623ASXGCEWMX3E32M/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:5P4ZNSAA6623ASXGCEWMX3E32M","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":"3be6d37afd406c1f6a2092fbcfb352d36c1c07927eb57abe066f84b87772d178","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-09-05T06:21:58Z","title_canon_sha256":"0e9076b84586fb0809e66f939dfb7787b59c842c5a218898f02e7f185fbf3cd9"},"schema_version":"1.0","source":{"id":"1309.1239","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1309.1239","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"arxiv_version","alias_value":"1309.1239v1","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1309.1239","created_at":"2026-05-18T01:47:49Z"},{"alias_kind":"pith_short_12","alias_value":"5P4ZNSAA6623","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_16","alias_value":"5P4ZNSAA6623ASXG","created_at":"2026-05-18T12:27:34Z"},{"alias_kind":"pith_short_8","alias_value":"5P4ZNSAA","created_at":"2026-05-18T12:27:34Z"}],"graph_snapshots":[{"event_id":"sha256:a559c0fac351325e06b8a3e1bc6e7323557a9d3a615661dc6c6e408665b999f6","target":"graph","created_at":"2026-05-18T01:47:49Z","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":"We present theoretical expectations for non-thermal emission due to the bulk Comptonization at the ultra-relativistic shock breakout. We calculate the transfer of photons emitted from the shocked matter with a Monte Carlo code fully taking into account special relativity. As a hydrodynamical model, we use a self-similar solution of Nakayama & Shigeyama (2005). Our calculations reveal that the spectral shape exhibits a double peak or a single peak depending on the shock temperature at the shock breakout. If it is significantly smaller than the rest energy of an electron, the spectrum has a doub","authors_text":"Akihiro Suzuki, Toshikazu Shigeyama, Yukari Ohtani","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-09-05T06:21:58Z","title":"Generation of High-Energy Photons at Ultra-Relativistic Shock Breakout in Supernovae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1309.1239","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:c37a43f3b54c258acc64672a2cea4937e26b594bad63bfd2d01d9aa847b9ed6a","target":"record","created_at":"2026-05-18T01:47:49Z","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":"3be6d37afd406c1f6a2092fbcfb352d36c1c07927eb57abe066f84b87772d178","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2013-09-05T06:21:58Z","title_canon_sha256":"0e9076b84586fb0809e66f939dfb7787b59c842c5a218898f02e7f185fbf3cd9"},"schema_version":"1.0","source":{"id":"1309.1239","kind":"arxiv","version":1}},"canonical_sha256":"ebf996c800f7b5b04ae6112ccbec9bd301899202f91e4ec94a889d826bf235ab","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ebf996c800f7b5b04ae6112ccbec9bd301899202f91e4ec94a889d826bf235ab","first_computed_at":"2026-05-18T01:47:49.578203Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:47:49.578203Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"YKsdHwBnI9zkcrmU0jUHH3x6hXDMvcu0PiCZFMb4xdzLwbklR3gLR2N5XINsOIejAY1j2Nijw1JlebQcVoTdCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:47:49.578691Z","signed_message":"canonical_sha256_bytes"},"source_id":"1309.1239","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c37a43f3b54c258acc64672a2cea4937e26b594bad63bfd2d01d9aa847b9ed6a","sha256:a559c0fac351325e06b8a3e1bc6e7323557a9d3a615661dc6c6e408665b999f6"],"state_sha256":"7deecef85e052fe4618a6e63517eadde392ce559de57f843a1017af4087b1a63"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jc6mHWXdP7tufGGopjc5tBX+tEU/LyUP9joNkcDQUE+OV9NlB3wIRltUT+lhzaA37vtHe890lSiHP1NlD3RhDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T17:30:20.065451Z","bundle_sha256":"d61fcb882374ea3e00955b23e39dc30cbe0b8bfac8d0c82a9d41dc855862b7df"}}