{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2002:PXNPA5SA5NX7ZT2SVTXWTEY2FF","short_pith_number":"pith:PXNPA5SA","canonical_record":{"source":{"id":"astro-ph/0210115","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-10-04T14:58:56Z","cross_cats_sorted":[],"title_canon_sha256":"b0acbf68822c8b4d28760baa49d6486918e951152d51a44927a3931ec5dab1c0","abstract_canon_sha256":"27eed388dc0154cdd64f92f86dd7f57bf9a956ff10ff2beb5c9dc55984a7ce89"},"schema_version":"1.0"},"canonical_sha256":"7ddaf07640eb6ffccf52acef69931a2961e4566a89c1e3388b46ae9dffa8967e","source":{"kind":"arxiv","id":"astro-ph/0210115","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0210115","created_at":"2026-07-04T14:12:16Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0210115v1","created_at":"2026-07-04T14:12:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0210115","created_at":"2026-07-04T14:12:16Z"},{"alias_kind":"pith_short_12","alias_value":"PXNPA5SA5NX7","created_at":"2026-07-04T14:12:16Z"},{"alias_kind":"pith_short_16","alias_value":"PXNPA5SA5NX7ZT2S","created_at":"2026-07-04T14:12:16Z"},{"alias_kind":"pith_short_8","alias_value":"PXNPA5SA","created_at":"2026-07-04T14:12:16Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2002:PXNPA5SA5NX7ZT2SVTXWTEY2FF","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0210115","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2002-10-04T14:58:56Z","cross_cats_sorted":[],"title_canon_sha256":"b0acbf68822c8b4d28760baa49d6486918e951152d51a44927a3931ec5dab1c0","abstract_canon_sha256":"27eed388dc0154cdd64f92f86dd7f57bf9a956ff10ff2beb5c9dc55984a7ce89"},"schema_version":"1.0"},"canonical_sha256":"7ddaf07640eb6ffccf52acef69931a2961e4566a89c1e3388b46ae9dffa8967e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T14:12:16.790035Z","signature_b64":"bvkc2sNxg5QPJIAdX6zkKNIf7qNBthv0R70C/UYgghdDdN4PubjUBx471HnB5rW7TNoBdcZyFO3mLGZRlicrCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"7ddaf07640eb6ffccf52acef69931a2961e4566a89c1e3388b46ae9dffa8967e","last_reissued_at":"2026-07-04T14:12:16.789674Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T14:12:16.789674Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0210115","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":"2026-07-04T14:12:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FMrtY8wRpli9jiR8+fUzdYuWd/XcRuI7bISC1RZT+hoA2UeGrOeBPZBHXfBCI1D1ByjN1gaaAPQ5Gu8zU40/AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T09:36:40.716363Z"},"content_sha256":"08350f34d4c1d1163a16caca46d3846622d3017766940843db7b275a4684e699","schema_version":"1.0","event_id":"sha256:08350f34d4c1d1163a16caca46d3846622d3017766940843db7b275a4684e699"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2002:PXNPA5SA5NX7ZT2SVTXWTEY2FF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Internal Shocks and the Blazar Sequence","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. Celotti, D. Guetta, D. Lazzati, G. Ghisellini","submitted_at":"2002-10-04T14:58:56Z","abstract_excerpt":"We consider the internal shock model as the dissipation mechanism responsible for the emission in blazars. It has been shown that this model is successful in reproducing the observed spectral energy distribution and the variability properties of a powerful blazar like 3C 279. However, the blazar family covers a wide range of spectral characteristics which appear to be correlated and the whole class can be seen as a sequence: the frequency and the intensity of the low energy versus high energy peak intensity increase with decreasing luminosity. We show that the internal shock model can satisfac"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0210115","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/astro-ph/0210115/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-04T14:12:16Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Qa/DUrzdXTS07yLcKqgqAG3W3v0vExC+Gb1LuC8IK6aGEfDRpNoSMjDzgDAmBCASzQCZOHK4jm0lWvKyAnb9DQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T09:36:40.716864Z"},"content_sha256":"f47baf76ff331ed51849e31476e933f21ae3f0940efd4a0659b1d2ddc2964812","schema_version":"1.0","event_id":"sha256:f47baf76ff331ed51849e31476e933f21ae3f0940efd4a0659b1d2ddc2964812"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PXNPA5SA5NX7ZT2SVTXWTEY2FF/bundle.json","state_url":"https://pith.science/pith/PXNPA5SA5NX7ZT2SVTXWTEY2FF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PXNPA5SA5NX7ZT2SVTXWTEY2FF/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":"2026-08-06T09:36:40Z","links":{"resolver":"https://pith.science/pith/PXNPA5SA5NX7ZT2SVTXWTEY2FF","bundle":"https://pith.science/pith/PXNPA5SA5NX7ZT2SVTXWTEY2FF/bundle.json","state":"https://pith.science/pith/PXNPA5SA5NX7ZT2SVTXWTEY2FF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PXNPA5SA5NX7ZT2SVTXWTEY2FF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2002:PXNPA5SA5NX7ZT2SVTXWTEY2FF","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":"27eed388dc0154cdd64f92f86dd7f57bf9a956ff10ff2beb5c9dc55984a7ce89","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-10-04T14:58:56Z","title_canon_sha256":"b0acbf68822c8b4d28760baa49d6486918e951152d51a44927a3931ec5dab1c0"},"schema_version":"1.0","source":{"id":"astro-ph/0210115","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0210115","created_at":"2026-07-04T14:12:16Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0210115v1","created_at":"2026-07-04T14:12:16Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0210115","created_at":"2026-07-04T14:12:16Z"},{"alias_kind":"pith_short_12","alias_value":"PXNPA5SA5NX7","created_at":"2026-07-04T14:12:16Z"},{"alias_kind":"pith_short_16","alias_value":"PXNPA5SA5NX7ZT2S","created_at":"2026-07-04T14:12:16Z"},{"alias_kind":"pith_short_8","alias_value":"PXNPA5SA","created_at":"2026-07-04T14:12:16Z"}],"graph_snapshots":[{"event_id":"sha256:f47baf76ff331ed51849e31476e933f21ae3f0940efd4a0659b1d2ddc2964812","target":"graph","created_at":"2026-07-04T14:12:16Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/astro-ph/0210115/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We consider the internal shock model as the dissipation mechanism responsible for the emission in blazars. It has been shown that this model is successful in reproducing the observed spectral energy distribution and the variability properties of a powerful blazar like 3C 279. However, the blazar family covers a wide range of spectral characteristics which appear to be correlated and the whole class can be seen as a sequence: the frequency and the intensity of the low energy versus high energy peak intensity increase with decreasing luminosity. We show that the internal shock model can satisfac","authors_text":"A. Celotti, D. Guetta, D. Lazzati, G. Ghisellini","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2002-10-04T14:58:56Z","title":"Internal Shocks and the Blazar Sequence"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0210115","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":"sha256:08350f34d4c1d1163a16caca46d3846622d3017766940843db7b275a4684e699","target":"record","created_at":"2026-07-04T14:12:16Z","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":"27eed388dc0154cdd64f92f86dd7f57bf9a956ff10ff2beb5c9dc55984a7ce89","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2002-10-04T14:58:56Z","title_canon_sha256":"b0acbf68822c8b4d28760baa49d6486918e951152d51a44927a3931ec5dab1c0"},"schema_version":"1.0","source":{"id":"astro-ph/0210115","kind":"arxiv","version":1}},"canonical_sha256":"7ddaf07640eb6ffccf52acef69931a2961e4566a89c1e3388b46ae9dffa8967e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"7ddaf07640eb6ffccf52acef69931a2961e4566a89c1e3388b46ae9dffa8967e","first_computed_at":"2026-07-04T14:12:16.789674Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T14:12:16.789674Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"bvkc2sNxg5QPJIAdX6zkKNIf7qNBthv0R70C/UYgghdDdN4PubjUBx471HnB5rW7TNoBdcZyFO3mLGZRlicrCw==","signature_status":"signed_v1","signed_at":"2026-07-04T14:12:16.790035Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0210115","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:08350f34d4c1d1163a16caca46d3846622d3017766940843db7b275a4684e699","sha256:f47baf76ff331ed51849e31476e933f21ae3f0940efd4a0659b1d2ddc2964812"],"state_sha256":"242f9cb4f11296dcee5d2bcfd80c8c07529bd44a68b4c10973a8fad1c4eb6f20"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vptgXDHk0ZEzY1dwp/T+TOAWyebfJgNHadCUBQEnMxmI7ojDiiJkUKdKWMpl/6siZqUqCCconL+KqCdeITR/BQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T09:36:40.720805Z","bundle_sha256":"fe60e50276581d5758bce0f74ea7497bddb65461c8841c0c80f87eb7d750f815"}}