{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:WWQ4ZNNRBBK64HZCE562PAJWH7","short_pith_number":"pith:WWQ4ZNNR","canonical_record":{"source":{"id":"1303.1888","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-08T05:50:19Z","cross_cats_sorted":[],"title_canon_sha256":"8d5377e4975e75e3f9cb63b35e15e1dca9503e3fca8969a7aeb86d4705b1b8ec","abstract_canon_sha256":"74e011ce0109438fdb9bb4f975a738a22e558ececb9455d20f57fed646ad415a"},"schema_version":"1.0"},"canonical_sha256":"b5a1ccb5b10855ee1f22277da781363fc9e7e5b45ed6a21278b4028e3b330035","source":{"kind":"arxiv","id":"1303.1888","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1888","created_at":"2026-05-18T03:31:20Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1888v2","created_at":"2026-05-18T03:31:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1888","created_at":"2026-05-18T03:31:20Z"},{"alias_kind":"pith_short_12","alias_value":"WWQ4ZNNRBBK6","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"WWQ4ZNNRBBK64HZC","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"WWQ4ZNNR","created_at":"2026-05-18T12:28:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:WWQ4ZNNRBBK64HZCE562PAJWH7","target":"record","payload":{"canonical_record":{"source":{"id":"1303.1888","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-08T05:50:19Z","cross_cats_sorted":[],"title_canon_sha256":"8d5377e4975e75e3f9cb63b35e15e1dca9503e3fca8969a7aeb86d4705b1b8ec","abstract_canon_sha256":"74e011ce0109438fdb9bb4f975a738a22e558ececb9455d20f57fed646ad415a"},"schema_version":"1.0"},"canonical_sha256":"b5a1ccb5b10855ee1f22277da781363fc9e7e5b45ed6a21278b4028e3b330035","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:31:20.048356Z","signature_b64":"m8Oc1hRbp/oswP+xnyAFSv+7htt65kwYUD0O31a/KL6EgmzuQrUusMEfcz3h796tIoVXnHQaj269J2pIvVHrCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b5a1ccb5b10855ee1f22277da781363fc9e7e5b45ed6a21278b4028e3b330035","last_reissued_at":"2026-05-18T03:31:20.047778Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:31:20.047778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1303.1888","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:31:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xsrpp8DluUN2fDap42XSR7vOXbyv2Vv5EJWMBBNz4Um9nYQPM+Go8djyQ734qpKLjFFH7iZcTGzP9WbONIjWDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:44:38.939138Z"},"content_sha256":"32841b290810dd81d666b9b1e1733be1079b8065e8ebf71e92bde7f9059c49e1","schema_version":"1.0","event_id":"sha256:32841b290810dd81d666b9b1e1733be1079b8065e8ebf71e92bde7f9059c49e1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:WWQ4ZNNRBBK64HZCE562PAJWH7","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"V496 Scuti: Detection of CO emission and dust shell in a moderately fast Fe II nova","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Ashish Raj, D. P. K. Banerjee, N. M. Ashok, P. Valisa, S. Dallaporta, U. Munari","submitted_at":"2013-03-08T05:50:19Z","abstract_excerpt":"We present near-infrared and optical observations of moderately fast FeII-class Nova Scuti 2009 (V496 Sct) covering various phases; pre-maximum, early decline and nebular, during the first 10 months after its discovery followed by limited observations up to 2011 April. In the initial phase the nova spectra show prominent P Cygni profiles and later all the lines are seen in emission. The notable feature of the near-IR spec- tra in the early decline phase is the rare presence of the first overtone bands of carbon monoxide (CO) in emission. The IR spectra show clear dust formation in the expand- "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1888","kind":"arxiv","version":2},"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":"2026-05-18T03:31:20Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+Wt/fgLsFd4gj3lWBom5hZQlEWXWlHZOut0K7WJ4WwnSvHgYbQaV0dEEW/AveQwWBNiUPwEXCZNRBqV0aHNKBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T21:44:38.939508Z"},"content_sha256":"9ef7cd6bd4261588cb539fde94dba36ac992f1b39c6af9069452d3a874ef1d9a","schema_version":"1.0","event_id":"sha256:9ef7cd6bd4261588cb539fde94dba36ac992f1b39c6af9069452d3a874ef1d9a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WWQ4ZNNRBBK64HZCE562PAJWH7/bundle.json","state_url":"https://pith.science/pith/WWQ4ZNNRBBK64HZCE562PAJWH7/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WWQ4ZNNRBBK64HZCE562PAJWH7/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":"2026-06-04T21:44:38Z","links":{"resolver":"https://pith.science/pith/WWQ4ZNNRBBK64HZCE562PAJWH7","bundle":"https://pith.science/pith/WWQ4ZNNRBBK64HZCE562PAJWH7/bundle.json","state":"https://pith.science/pith/WWQ4ZNNRBBK64HZCE562PAJWH7/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WWQ4ZNNRBBK64HZCE562PAJWH7/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:WWQ4ZNNRBBK64HZCE562PAJWH7","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":"74e011ce0109438fdb9bb4f975a738a22e558ececb9455d20f57fed646ad415a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-08T05:50:19Z","title_canon_sha256":"8d5377e4975e75e3f9cb63b35e15e1dca9503e3fca8969a7aeb86d4705b1b8ec"},"schema_version":"1.0","source":{"id":"1303.1888","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1303.1888","created_at":"2026-05-18T03:31:20Z"},{"alias_kind":"arxiv_version","alias_value":"1303.1888v2","created_at":"2026-05-18T03:31:20Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1303.1888","created_at":"2026-05-18T03:31:20Z"},{"alias_kind":"pith_short_12","alias_value":"WWQ4ZNNRBBK6","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_16","alias_value":"WWQ4ZNNRBBK64HZC","created_at":"2026-05-18T12:28:06Z"},{"alias_kind":"pith_short_8","alias_value":"WWQ4ZNNR","created_at":"2026-05-18T12:28:06Z"}],"graph_snapshots":[{"event_id":"sha256:9ef7cd6bd4261588cb539fde94dba36ac992f1b39c6af9069452d3a874ef1d9a","target":"graph","created_at":"2026-05-18T03:31:20Z","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 near-infrared and optical observations of moderately fast FeII-class Nova Scuti 2009 (V496 Sct) covering various phases; pre-maximum, early decline and nebular, during the first 10 months after its discovery followed by limited observations up to 2011 April. In the initial phase the nova spectra show prominent P Cygni profiles and later all the lines are seen in emission. The notable feature of the near-IR spec- tra in the early decline phase is the rare presence of the first overtone bands of carbon monoxide (CO) in emission. The IR spectra show clear dust formation in the expand- ","authors_text":"Ashish Raj, D. P. K. Banerjee, N. M. Ashok, P. Valisa, S. Dallaporta, U. Munari","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-08T05:50:19Z","title":"V496 Scuti: Detection of CO emission and dust shell in a moderately fast Fe II nova"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1303.1888","kind":"arxiv","version":2},"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":"sha256:32841b290810dd81d666b9b1e1733be1079b8065e8ebf71e92bde7f9059c49e1","target":"record","created_at":"2026-05-18T03:31:20Z","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":"74e011ce0109438fdb9bb4f975a738a22e558ececb9455d20f57fed646ad415a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-03-08T05:50:19Z","title_canon_sha256":"8d5377e4975e75e3f9cb63b35e15e1dca9503e3fca8969a7aeb86d4705b1b8ec"},"schema_version":"1.0","source":{"id":"1303.1888","kind":"arxiv","version":2}},"canonical_sha256":"b5a1ccb5b10855ee1f22277da781363fc9e7e5b45ed6a21278b4028e3b330035","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b5a1ccb5b10855ee1f22277da781363fc9e7e5b45ed6a21278b4028e3b330035","first_computed_at":"2026-05-18T03:31:20.047778Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:31:20.047778Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"m8Oc1hRbp/oswP+xnyAFSv+7htt65kwYUD0O31a/KL6EgmzuQrUusMEfcz3h796tIoVXnHQaj269J2pIvVHrCA==","signature_status":"signed_v1","signed_at":"2026-05-18T03:31:20.048356Z","signed_message":"canonical_sha256_bytes"},"source_id":"1303.1888","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:32841b290810dd81d666b9b1e1733be1079b8065e8ebf71e92bde7f9059c49e1","sha256:9ef7cd6bd4261588cb539fde94dba36ac992f1b39c6af9069452d3a874ef1d9a"],"state_sha256":"7d42c12dabe5a42a55f119e60073a7e887fd3bf0d67612bd4d0ab677c05db2a5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vO8aU1QRoLjAKElRkAedct8I+LXTJlkpHJ/G3R0QHE2yac6mYK0w1BI8kpSWoMM7emtrGCFpj2bCHr6ReOy2Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T21:44:38.941501Z","bundle_sha256":"906834182910bafccaf0cc0a4371917b3aa1e7b7d90de427a65a0ff50aff4cfa"}}