{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:DUR4EUWDAUPBRMERCI5XYIVYLP","short_pith_number":"pith:DUR4EUWD","canonical_record":{"source":{"id":"1006.5173","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-06-26T22:51:16Z","cross_cats_sorted":[],"title_canon_sha256":"dca5a517710134b7b6a99f85dc58d34ef4905ab22b7a47a9be858b8e81867ace","abstract_canon_sha256":"bed2530058fb719f28f62c0ebe161b6f008dc26b467d3ede5ef191f79a162f27"},"schema_version":"1.0"},"canonical_sha256":"1d23c252c3051e18b091123b7c22b85bec7315fe22892719a7230058fc0c2d57","source":{"kind":"arxiv","id":"1006.5173","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.5173","created_at":"2026-05-18T02:06:35Z"},{"alias_kind":"arxiv_version","alias_value":"1006.5173v1","created_at":"2026-05-18T02:06:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.5173","created_at":"2026-05-18T02:06:35Z"},{"alias_kind":"pith_short_12","alias_value":"DUR4EUWDAUPB","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"DUR4EUWDAUPBRMER","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"DUR4EUWD","created_at":"2026-05-18T12:26:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:DUR4EUWDAUPBRMERCI5XYIVYLP","target":"record","payload":{"canonical_record":{"source":{"id":"1006.5173","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-06-26T22:51:16Z","cross_cats_sorted":[],"title_canon_sha256":"dca5a517710134b7b6a99f85dc58d34ef4905ab22b7a47a9be858b8e81867ace","abstract_canon_sha256":"bed2530058fb719f28f62c0ebe161b6f008dc26b467d3ede5ef191f79a162f27"},"schema_version":"1.0"},"canonical_sha256":"1d23c252c3051e18b091123b7c22b85bec7315fe22892719a7230058fc0c2d57","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:06:35.204844Z","signature_b64":"4jJhXGfdjSjH+V+4DhThrtIbqoG7P3izQFgEmOc+FSRMuzPwCvBh4HHnptvS0468veoC3vz8BfeGa5cVI2WACQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1d23c252c3051e18b091123b7c22b85bec7315fe22892719a7230058fc0c2d57","last_reissued_at":"2026-05-18T02:06:35.203980Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:06:35.203980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1006.5173","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":"2026-05-18T02:06:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"wq/S+a75RXICzNG1Jx6OWkZ3roQJEuKoVWBYVKN+v31vOklMo1bMBDc8Ni5C2CH8zkfo62bKFGpub4TRvBAADA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T10:17:23.845948Z"},"content_sha256":"1a69c36c86822f60d8b049f47581965aec95fbe5d9622111810c919fed1434a4","schema_version":"1.0","event_id":"sha256:1a69c36c86822f60d8b049f47581965aec95fbe5d9622111810c919fed1434a4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:DUR4EUWDAUPBRMERCI5XYIVYLP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Non-thermal photon production via bulk comptonization at supernova shock breakout","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Akihiro Suzuki, Toshikazu Shigeyama","submitted_at":"2010-06-26T22:51:16Z","abstract_excerpt":"We investigate roles of the bulk comptonization process in the propagation of thermal photons emitted at the shock breakout of a supernova explosion. We use a hydrodynamical model based on a self-similar solution for the shock breakout. The propagation of photons is treated by a Monte-Carlo technique. Results of the simulations successfully reproduce the power-law spectrum observed by X-ray observations for XRF 080109/SN 2008D, if a mildly relativistic shock velocity is assumed. Effects of some radiative processes, photoionization, radiative recombination, and free-free absorption on the propa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.5173","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":"2026-05-18T02:06:35Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"galp++JVPgg2US6Rnjmv0TaYwWFdLUw0OKteaEEXhTmooAwFGeioJdH8V/w5uC7MgeQStBiBm42lnFiYXz6KCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T10:17:23.846287Z"},"content_sha256":"5a28ac9ecf62e82046ace366314a26f20566c650dca1b7462be452be3b30d41b","schema_version":"1.0","event_id":"sha256:5a28ac9ecf62e82046ace366314a26f20566c650dca1b7462be452be3b30d41b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DUR4EUWDAUPBRMERCI5XYIVYLP/bundle.json","state_url":"https://pith.science/pith/DUR4EUWDAUPBRMERCI5XYIVYLP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DUR4EUWDAUPBRMERCI5XYIVYLP/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":"2026-06-07T10:17:23Z","links":{"resolver":"https://pith.science/pith/DUR4EUWDAUPBRMERCI5XYIVYLP","bundle":"https://pith.science/pith/DUR4EUWDAUPBRMERCI5XYIVYLP/bundle.json","state":"https://pith.science/pith/DUR4EUWDAUPBRMERCI5XYIVYLP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DUR4EUWDAUPBRMERCI5XYIVYLP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:DUR4EUWDAUPBRMERCI5XYIVYLP","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":"bed2530058fb719f28f62c0ebe161b6f008dc26b467d3ede5ef191f79a162f27","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-06-26T22:51:16Z","title_canon_sha256":"dca5a517710134b7b6a99f85dc58d34ef4905ab22b7a47a9be858b8e81867ace"},"schema_version":"1.0","source":{"id":"1006.5173","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1006.5173","created_at":"2026-05-18T02:06:35Z"},{"alias_kind":"arxiv_version","alias_value":"1006.5173v1","created_at":"2026-05-18T02:06:35Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1006.5173","created_at":"2026-05-18T02:06:35Z"},{"alias_kind":"pith_short_12","alias_value":"DUR4EUWDAUPB","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_16","alias_value":"DUR4EUWDAUPBRMER","created_at":"2026-05-18T12:26:06Z"},{"alias_kind":"pith_short_8","alias_value":"DUR4EUWD","created_at":"2026-05-18T12:26:06Z"}],"graph_snapshots":[{"event_id":"sha256:5a28ac9ecf62e82046ace366314a26f20566c650dca1b7462be452be3b30d41b","target":"graph","created_at":"2026-05-18T02:06:35Z","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 investigate roles of the bulk comptonization process in the propagation of thermal photons emitted at the shock breakout of a supernova explosion. We use a hydrodynamical model based on a self-similar solution for the shock breakout. The propagation of photons is treated by a Monte-Carlo technique. Results of the simulations successfully reproduce the power-law spectrum observed by X-ray observations for XRF 080109/SN 2008D, if a mildly relativistic shock velocity is assumed. Effects of some radiative processes, photoionization, radiative recombination, and free-free absorption on the propa","authors_text":"Akihiro Suzuki, Toshikazu Shigeyama","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-06-26T22:51:16Z","title":"Non-thermal photon production via bulk comptonization at supernova shock breakout"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1006.5173","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":"sha256:1a69c36c86822f60d8b049f47581965aec95fbe5d9622111810c919fed1434a4","target":"record","created_at":"2026-05-18T02:06:35Z","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":"bed2530058fb719f28f62c0ebe161b6f008dc26b467d3ede5ef191f79a162f27","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2010-06-26T22:51:16Z","title_canon_sha256":"dca5a517710134b7b6a99f85dc58d34ef4905ab22b7a47a9be858b8e81867ace"},"schema_version":"1.0","source":{"id":"1006.5173","kind":"arxiv","version":1}},"canonical_sha256":"1d23c252c3051e18b091123b7c22b85bec7315fe22892719a7230058fc0c2d57","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1d23c252c3051e18b091123b7c22b85bec7315fe22892719a7230058fc0c2d57","first_computed_at":"2026-05-18T02:06:35.203980Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:06:35.203980Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4jJhXGfdjSjH+V+4DhThrtIbqoG7P3izQFgEmOc+FSRMuzPwCvBh4HHnptvS0468veoC3vz8BfeGa5cVI2WACQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:06:35.204844Z","signed_message":"canonical_sha256_bytes"},"source_id":"1006.5173","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a69c36c86822f60d8b049f47581965aec95fbe5d9622111810c919fed1434a4","sha256:5a28ac9ecf62e82046ace366314a26f20566c650dca1b7462be452be3b30d41b"],"state_sha256":"91396a1e992524c09fb9e628e005b64515b6f2960932fc86269fc879abe7b02c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qLkbqOgts9aHVRF4cFGzIkTrl8jHkNbaMeq57jDw9mbfb3tKWmKBeHPnt3SHbX21VNmlm8DL3/mRmCvQKWprAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T10:17:23.848205Z","bundle_sha256":"5a79023cf3e9d892ab1c7a83dadec54ab14018b9ebb304539e2cd023ade837f4"}}