{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:MVEATR3Y6U5B7TGNFKWO5XQQF3","short_pith_number":"pith:MVEATR3Y","canonical_record":{"source":{"id":"0709.3550","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-21T23:50:37Z","cross_cats_sorted":[],"title_canon_sha256":"4ba0eea8d247b4d8df5020d860c16e25f48e624e4c1dfec5be0109950fa9087b","abstract_canon_sha256":"bea8400c3975b800b6ce041e1c78f0ceb9a4d45ba5ad68ab1714e1de9388d047"},"schema_version":"1.0"},"canonical_sha256":"654809c778f53a1fcccd2aaceede102ec5d549d09a353ec0bc82b26c065b36ef","source":{"kind":"arxiv","id":"0709.3550","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.3550","created_at":"2026-07-04T17:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"0709.3550v1","created_at":"2026-07-04T17:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.3550","created_at":"2026-07-04T17:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"MVEATR3Y6U5B","created_at":"2026-07-04T17:05:49Z"},{"alias_kind":"pith_short_16","alias_value":"MVEATR3Y6U5B7TGN","created_at":"2026-07-04T17:05:49Z"},{"alias_kind":"pith_short_8","alias_value":"MVEATR3Y","created_at":"2026-07-04T17:05:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:MVEATR3Y6U5B7TGNFKWO5XQQF3","target":"record","payload":{"canonical_record":{"source":{"id":"0709.3550","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-21T23:50:37Z","cross_cats_sorted":[],"title_canon_sha256":"4ba0eea8d247b4d8df5020d860c16e25f48e624e4c1dfec5be0109950fa9087b","abstract_canon_sha256":"bea8400c3975b800b6ce041e1c78f0ceb9a4d45ba5ad68ab1714e1de9388d047"},"schema_version":"1.0"},"canonical_sha256":"654809c778f53a1fcccd2aaceede102ec5d549d09a353ec0bc82b26c065b36ef","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:05:49.553089Z","signature_b64":"uXwRBU8mp/MSfe+FzS9opQd4ITDVgTe1yGEy4TzoOoNyfdpm71IQArmL++FGDEAp15hgJJ4rVEW5qjDOrCCdDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"654809c778f53a1fcccd2aaceede102ec5d549d09a353ec0bc82b26c065b36ef","last_reissued_at":"2026-07-04T17:05:49.552698Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:05:49.552698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0709.3550","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":"2026-07-04T17:05:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QqMcNQLrAKbVjeV/zIWU/gNnJTwCwzK9Hbias6e8wX2R7jnzBYvjP6/xkQ/LB+vZEZF/z/dakMpoteRouYdfCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T11:25:42.776265Z"},"content_sha256":"44538fd53ba42d8c0f70fc2447f4499196cf4a2f77b49e60f1829719bce7422d","schema_version":"1.0","event_id":"sha256:44538fd53ba42d8c0f70fc2447f4499196cf4a2f77b49e60f1829719bce7422d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:MVEATR3Y6U5B7TGNFKWO5XQQF3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Outburst of the Blazar AO 0235+164 in 2006 December: Shock-in-Jet Interpretation","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A.A. Arkharov, A.P. Marscher, E.I. Hagen-Thorn, L.V. Larionova, N.V. Efimova, S.G. Jorstad, V.A. Hagen-Thorn, V.M. Larionov","submitted_at":"2007-09-21T23:50:37Z","abstract_excerpt":"We present the results of polarimetric ($R$ band) and multicolor photometric ($BVRIJHK$) observations of the blazar AO 0235+16 during an outburst in 2006 December. The data reveal a short timescale of variability (several hours), which increases from optical to near-IR wavelengths; even shorter variations are detected in polarization. The flux density correlates with the degree of polarization, and at maximum degree of polarization the electric vector tends to align with the parsec-scale jet direction. We find that a variable component with a steady power-law spectral energy distribution and v"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.3550","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/0709.3550/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":"2026-07-04T17:05:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8qVDJ+AKo6N7P1Qp+aauQjoWcs1kogMXzYggiB0g25UE4vW400vYEU6sKLykY/aG2YB2Fw7tNXlhkWrKqsfUBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-04T11:25:42.776776Z"},"content_sha256":"71fa2bf340f724a72aefeb502cdde7cc636c9d5563fe2c54d014bc5c6b1af6d0","schema_version":"1.0","event_id":"sha256:71fa2bf340f724a72aefeb502cdde7cc636c9d5563fe2c54d014bc5c6b1af6d0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MVEATR3Y6U5B7TGNFKWO5XQQF3/bundle.json","state_url":"https://pith.science/pith/MVEATR3Y6U5B7TGNFKWO5XQQF3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MVEATR3Y6U5B7TGNFKWO5XQQF3/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":"2026-08-04T11:25:42Z","links":{"resolver":"https://pith.science/pith/MVEATR3Y6U5B7TGNFKWO5XQQF3","bundle":"https://pith.science/pith/MVEATR3Y6U5B7TGNFKWO5XQQF3/bundle.json","state":"https://pith.science/pith/MVEATR3Y6U5B7TGNFKWO5XQQF3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MVEATR3Y6U5B7TGNFKWO5XQQF3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:MVEATR3Y6U5B7TGNFKWO5XQQF3","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":"bea8400c3975b800b6ce041e1c78f0ceb9a4d45ba5ad68ab1714e1de9388d047","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-21T23:50:37Z","title_canon_sha256":"4ba0eea8d247b4d8df5020d860c16e25f48e624e4c1dfec5be0109950fa9087b"},"schema_version":"1.0","source":{"id":"0709.3550","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0709.3550","created_at":"2026-07-04T17:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"0709.3550v1","created_at":"2026-07-04T17:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0709.3550","created_at":"2026-07-04T17:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"MVEATR3Y6U5B","created_at":"2026-07-04T17:05:49Z"},{"alias_kind":"pith_short_16","alias_value":"MVEATR3Y6U5B7TGN","created_at":"2026-07-04T17:05:49Z"},{"alias_kind":"pith_short_8","alias_value":"MVEATR3Y","created_at":"2026-07-04T17:05:49Z"}],"graph_snapshots":[{"event_id":"sha256:71fa2bf340f724a72aefeb502cdde7cc636c9d5563fe2c54d014bc5c6b1af6d0","target":"graph","created_at":"2026-07-04T17:05:49Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/0709.3550/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present the results of polarimetric ($R$ band) and multicolor photometric ($BVRIJHK$) observations of the blazar AO 0235+16 during an outburst in 2006 December. The data reveal a short timescale of variability (several hours), which increases from optical to near-IR wavelengths; even shorter variations are detected in polarization. The flux density correlates with the degree of polarization, and at maximum degree of polarization the electric vector tends to align with the parsec-scale jet direction. We find that a variable component with a steady power-law spectral energy distribution and v","authors_text":"A.A. Arkharov, A.P. Marscher, E.I. Hagen-Thorn, L.V. Larionova, N.V. Efimova, S.G. Jorstad, V.A. Hagen-Thorn, V.M. Larionov","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-09-21T23:50:37Z","title":"The Outburst of the Blazar AO 0235+164 in 2006 December: Shock-in-Jet Interpretation"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0709.3550","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":"sha256:44538fd53ba42d8c0f70fc2447f4499196cf4a2f77b49e60f1829719bce7422d","target":"record","created_at":"2026-07-04T17:05:49Z","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":"bea8400c3975b800b6ce041e1c78f0ceb9a4d45ba5ad68ab1714e1de9388d047","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-09-21T23:50:37Z","title_canon_sha256":"4ba0eea8d247b4d8df5020d860c16e25f48e624e4c1dfec5be0109950fa9087b"},"schema_version":"1.0","source":{"id":"0709.3550","kind":"arxiv","version":1}},"canonical_sha256":"654809c778f53a1fcccd2aaceede102ec5d549d09a353ec0bc82b26c065b36ef","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"654809c778f53a1fcccd2aaceede102ec5d549d09a353ec0bc82b26c065b36ef","first_computed_at":"2026-07-04T17:05:49.552698Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:05:49.552698Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uXwRBU8mp/MSfe+FzS9opQd4ITDVgTe1yGEy4TzoOoNyfdpm71IQArmL++FGDEAp15hgJJ4rVEW5qjDOrCCdDQ==","signature_status":"signed_v1","signed_at":"2026-07-04T17:05:49.553089Z","signed_message":"canonical_sha256_bytes"},"source_id":"0709.3550","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:44538fd53ba42d8c0f70fc2447f4499196cf4a2f77b49e60f1829719bce7422d","sha256:71fa2bf340f724a72aefeb502cdde7cc636c9d5563fe2c54d014bc5c6b1af6d0"],"state_sha256":"59bd37d5284f61c0720dde6c7f2d1000f9ea7fd7e40242b31c36a7d7c7768dfd"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"znJ55N04ZAi9MQgvUtmRMsVx+gvaVZFMN1XqDd8e7j53g8rco0mIbgvA4Hpc6jbOQm6GGfp5LH0VBb6DswS3AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-04T11:25:42.780635Z","bundle_sha256":"9a6491854aa68b02a56eecd6a8e7be1531f14dc169e2533ea0395737e0f5881a"}}