{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:VTMXYBICFO2SXQM5NE3J5D5Z6J","short_pith_number":"pith:VTMXYBIC","canonical_record":{"source":{"id":"1506.06031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-20T09:36:49Z","cross_cats_sorted":[],"title_canon_sha256":"984598a9ab8ca0e6fd1356bb881e4f16284bc60df51fa1184a35c7d9094c9ea8","abstract_canon_sha256":"4afebf7061e3503d48a89c3dfc6b599de67a3698528731a5115f5df6e85acbb7"},"schema_version":"1.0"},"canonical_sha256":"acd97c05022bb52bc19d69369e8fb9f255408d2a47e12b3f74e3a0a346f32a2e","source":{"kind":"arxiv","id":"1506.06031","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.06031","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"arxiv_version","alias_value":"1506.06031v1","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.06031","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"pith_short_12","alias_value":"VTMXYBICFO2S","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VTMXYBICFO2SXQM5","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VTMXYBIC","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:VTMXYBICFO2SXQM5NE3J5D5Z6J","target":"record","payload":{"canonical_record":{"source":{"id":"1506.06031","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-20T09:36:49Z","cross_cats_sorted":[],"title_canon_sha256":"984598a9ab8ca0e6fd1356bb881e4f16284bc60df51fa1184a35c7d9094c9ea8","abstract_canon_sha256":"4afebf7061e3503d48a89c3dfc6b599de67a3698528731a5115f5df6e85acbb7"},"schema_version":"1.0"},"canonical_sha256":"acd97c05022bb52bc19d69369e8fb9f255408d2a47e12b3f74e3a0a346f32a2e","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:42:46.454474Z","signature_b64":"xQ6bEnw00KwkZmpTSRVsUZhTEi60D7ycdWoRUZHku1fMgip4Usjx6A5DX84cMJkugZYkQRlma1q7qxZTAws/DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"acd97c05022bb52bc19d69369e8fb9f255408d2a47e12b3f74e3a0a346f32a2e","last_reissued_at":"2026-05-18T01:42:46.453882Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:42:46.453882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.06031","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":"2026-05-18T01:42:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Vjpsr34ROM5FPZAUjCIYw2AuJ17qn3ByJxDcynXDglP0TAqz+rwLcX1evoTicqMab8PH1JjRScsGlwa5U2gOBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:35:15.162362Z"},"content_sha256":"12181bee0bd7d4179f018cc2a349f236cc888ecff260bb95aff35a89405dff22","schema_version":"1.0","event_id":"sha256:12181bee0bd7d4179f018cc2a349f236cc888ecff260bb95aff35a89405dff22"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:VTMXYBICFO2SXQM5NE3J5D5Z6J","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Photometric evolution and peculiar dust formation in the gamma-ray Nova Sco 2012 (V1324 Sco)","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Henden, F. M. Walter, L. Chomiuk, S. Dallaporta, T. Finzell, U. Munari","submitted_at":"2015-04-20T09:36:49Z","abstract_excerpt":"Optical (BVRI) and infrared (JHK) photometry of the gamma-ray nova Nova Sco 2012 (V1324 Sco) is presented and the lightcurve reconstructed and discussed. An interstellar reddening E(B-V)=1.23 is derived. Dust begun to form at an early date in the nova, only one magnitude down and 20 days past maximum optical brightness and caused an extinction of at least 6 magnitudes in V band, that cleared some months later. This unusual early dust formation compromises the application of the magnitude at maximum versus rate of decline (MMRD) relations in estimating the distance to the nova."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.06031","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":"2026-05-18T01:42:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mR8EQFPhwmgHoB3qA9PPg8cIK290DCCp3RetwdH9/4Jik7do2BgbZky2qkVUJ++C1dWjh2BC4d8AkyFarnH3AQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:35:15.162709Z"},"content_sha256":"57290c1deb47de876b727b2e1401a77508408a899f51c911a864e8f924b2c17b","schema_version":"1.0","event_id":"sha256:57290c1deb47de876b727b2e1401a77508408a899f51c911a864e8f924b2c17b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VTMXYBICFO2SXQM5NE3J5D5Z6J/bundle.json","state_url":"https://pith.science/pith/VTMXYBICFO2SXQM5NE3J5D5Z6J/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VTMXYBICFO2SXQM5NE3J5D5Z6J/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":"2026-06-04T20:35:15Z","links":{"resolver":"https://pith.science/pith/VTMXYBICFO2SXQM5NE3J5D5Z6J","bundle":"https://pith.science/pith/VTMXYBICFO2SXQM5NE3J5D5Z6J/bundle.json","state":"https://pith.science/pith/VTMXYBICFO2SXQM5NE3J5D5Z6J/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VTMXYBICFO2SXQM5NE3J5D5Z6J/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:VTMXYBICFO2SXQM5NE3J5D5Z6J","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":"4afebf7061e3503d48a89c3dfc6b599de67a3698528731a5115f5df6e85acbb7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-20T09:36:49Z","title_canon_sha256":"984598a9ab8ca0e6fd1356bb881e4f16284bc60df51fa1184a35c7d9094c9ea8"},"schema_version":"1.0","source":{"id":"1506.06031","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.06031","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"arxiv_version","alias_value":"1506.06031v1","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.06031","created_at":"2026-05-18T01:42:46Z"},{"alias_kind":"pith_short_12","alias_value":"VTMXYBICFO2S","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"VTMXYBICFO2SXQM5","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"VTMXYBIC","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:57290c1deb47de876b727b2e1401a77508408a899f51c911a864e8f924b2c17b","target":"graph","created_at":"2026-05-18T01:42:46Z","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":"Optical (BVRI) and infrared (JHK) photometry of the gamma-ray nova Nova Sco 2012 (V1324 Sco) is presented and the lightcurve reconstructed and discussed. An interstellar reddening E(B-V)=1.23 is derived. Dust begun to form at an early date in the nova, only one magnitude down and 20 days past maximum optical brightness and caused an extinction of at least 6 magnitudes in V band, that cleared some months later. This unusual early dust formation compromises the application of the magnitude at maximum versus rate of decline (MMRD) relations in estimating the distance to the nova.","authors_text":"A. Henden, F. M. Walter, L. Chomiuk, S. Dallaporta, T. Finzell, U. Munari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-20T09:36:49Z","title":"Photometric evolution and peculiar dust formation in the gamma-ray Nova Sco 2012 (V1324 Sco)"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.06031","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":"sha256:12181bee0bd7d4179f018cc2a349f236cc888ecff260bb95aff35a89405dff22","target":"record","created_at":"2026-05-18T01:42:46Z","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":"4afebf7061e3503d48a89c3dfc6b599de67a3698528731a5115f5df6e85acbb7","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-04-20T09:36:49Z","title_canon_sha256":"984598a9ab8ca0e6fd1356bb881e4f16284bc60df51fa1184a35c7d9094c9ea8"},"schema_version":"1.0","source":{"id":"1506.06031","kind":"arxiv","version":1}},"canonical_sha256":"acd97c05022bb52bc19d69369e8fb9f255408d2a47e12b3f74e3a0a346f32a2e","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"acd97c05022bb52bc19d69369e8fb9f255408d2a47e12b3f74e3a0a346f32a2e","first_computed_at":"2026-05-18T01:42:46.453882Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:42:46.453882Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"xQ6bEnw00KwkZmpTSRVsUZhTEi60D7ycdWoRUZHku1fMgip4Usjx6A5DX84cMJkugZYkQRlma1q7qxZTAws/DA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:42:46.454474Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.06031","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:12181bee0bd7d4179f018cc2a349f236cc888ecff260bb95aff35a89405dff22","sha256:57290c1deb47de876b727b2e1401a77508408a899f51c911a864e8f924b2c17b"],"state_sha256":"3cd0bf8ee5c75949519c4b089818c83d9e10c0b2c5d946d324cf1c3e1f71902e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZXcDXbdV8qsOQS+nnO0MVFy9fyLrD3U/cBJrLxuUPCrxSHlmKvs7VQq/eZUPp/IvH5IbGZYnzfiPNcsG0tmKAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T20:35:15.164595Z","bundle_sha256":"74e25d062bc7d90fb53095ac76abfdac687f686340cfdfc823c38aef16dd218c"}}