{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:XQE3C2VMA37RLAWISXO3GPQI2D","short_pith_number":"pith:XQE3C2VM","canonical_record":{"source":{"id":"2110.12758","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-10-25T09:38:44Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"e01d21088953a7ac48eea533da77811e2471d0e7fe0de145056d4c9e3b72bdfe","abstract_canon_sha256":"1f967581ba5dac3392b59e73f75a3acb4b6ea48256100fdb47d78218355bc34e"},"schema_version":"1.0"},"canonical_sha256":"bc09b16aac06ff1582c895ddb33e08d0d5adc81463dd60edc0a84ebcd27a9b1f","source":{"kind":"arxiv","id":"2110.12758","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.12758","created_at":"2026-07-05T03:36:17Z"},{"alias_kind":"arxiv_version","alias_value":"2110.12758v2","created_at":"2026-07-05T03:36:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.12758","created_at":"2026-07-05T03:36:17Z"},{"alias_kind":"pith_short_12","alias_value":"XQE3C2VMA37R","created_at":"2026-07-05T03:36:17Z"},{"alias_kind":"pith_short_16","alias_value":"XQE3C2VMA37RLAWI","created_at":"2026-07-05T03:36:17Z"},{"alias_kind":"pith_short_8","alias_value":"XQE3C2VM","created_at":"2026-07-05T03:36:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:XQE3C2VMA37RLAWISXO3GPQI2D","target":"record","payload":{"canonical_record":{"source":{"id":"2110.12758","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-10-25T09:38:44Z","cross_cats_sorted":["astro-ph.HE"],"title_canon_sha256":"e01d21088953a7ac48eea533da77811e2471d0e7fe0de145056d4c9e3b72bdfe","abstract_canon_sha256":"1f967581ba5dac3392b59e73f75a3acb4b6ea48256100fdb47d78218355bc34e"},"schema_version":"1.0"},"canonical_sha256":"bc09b16aac06ff1582c895ddb33e08d0d5adc81463dd60edc0a84ebcd27a9b1f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:36:17.081975Z","signature_b64":"OytTQiQEN1ocV5Icw0/DS80i1fS3ZZBv1kUx6NtR8Q2F8AfRgToXjiFitiQWACWEB2Bha7R3tljf3UdhxAd2CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bc09b16aac06ff1582c895ddb33e08d0d5adc81463dd60edc0a84ebcd27a9b1f","last_reissued_at":"2026-07-05T03:36:17.081483Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:36:17.081483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2110.12758","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":"2026-07-05T03:36:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"yd3OTsAMUaRw9yNfC2Hkd94kNkrttRwP5D2jVX5rD0hlrj0sbG+hIfUEeBUw3g7HcID9hKlVwAI+e5kZMeM2CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:22:35.145196Z"},"content_sha256":"16449bb234e5b13e8d4a90221a8c2e1c9542b2497450a35f5f71bca9685e5ed1","schema_version":"1.0","event_id":"sha256:16449bb234e5b13e8d4a90221a8c2e1c9542b2497450a35f5f71bca9685e5ed1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:XQE3C2VMA37RLAWISXO3GPQI2D","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The mid-infrared environment of the stellar merger remnant V838 Monocerotis","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.HE"],"primary_cat":"astro-ph.SR","authors_text":"Alexis Matter, Claudia Paladini, Markus Wittkowski, Muhammad Zain Mobeen, Tomasz Kami\\'nski","submitted_at":"2021-10-25T09:38:44Z","abstract_excerpt":"In 2002, V838 Monocerotis (V838 Mon) erupted in a red novae event which has been interpreted to be a stellar merger. Soon after reaching peak luminosity, it began to cool, and its spectrum evolved to later spectral types. Dust was also formed in the post-merger remnant, making it bright in the mid-infrared. Interferometric studies at these wavelengths have suggested the presence of a flattened, elongated structure. We investigate, for the first time, the structure and orientation of the dusty envelope surrounding V838 Mon in the $L$(2.8-4.2 $\\mu$m) band using recent observations with the MATIS"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.12758","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2110.12758/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":"2026-07-05T03:36:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s/9cVgocAC5orbnAU0yOoP0JFh2w9DQyjkty6ahuddbn6H25jDP0wGCRRuCGTyv7ThZ9lzKXVQxKQnfwXxBFDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-14T17:22:35.146119Z"},"content_sha256":"69c3212c666de276bb4eaa3cadffdb67e0b52837a196d2171acc71b739b43be8","schema_version":"1.0","event_id":"sha256:69c3212c666de276bb4eaa3cadffdb67e0b52837a196d2171acc71b739b43be8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XQE3C2VMA37RLAWISXO3GPQI2D/bundle.json","state_url":"https://pith.science/pith/XQE3C2VMA37RLAWISXO3GPQI2D/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XQE3C2VMA37RLAWISXO3GPQI2D/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":"2026-08-14T17:22:35Z","links":{"resolver":"https://pith.science/pith/XQE3C2VMA37RLAWISXO3GPQI2D","bundle":"https://pith.science/pith/XQE3C2VMA37RLAWISXO3GPQI2D/bundle.json","state":"https://pith.science/pith/XQE3C2VMA37RLAWISXO3GPQI2D/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XQE3C2VMA37RLAWISXO3GPQI2D/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:XQE3C2VMA37RLAWISXO3GPQI2D","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":"1f967581ba5dac3392b59e73f75a3acb4b6ea48256100fdb47d78218355bc34e","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-10-25T09:38:44Z","title_canon_sha256":"e01d21088953a7ac48eea533da77811e2471d0e7fe0de145056d4c9e3b72bdfe"},"schema_version":"1.0","source":{"id":"2110.12758","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2110.12758","created_at":"2026-07-05T03:36:17Z"},{"alias_kind":"arxiv_version","alias_value":"2110.12758v2","created_at":"2026-07-05T03:36:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2110.12758","created_at":"2026-07-05T03:36:17Z"},{"alias_kind":"pith_short_12","alias_value":"XQE3C2VMA37R","created_at":"2026-07-05T03:36:17Z"},{"alias_kind":"pith_short_16","alias_value":"XQE3C2VMA37RLAWI","created_at":"2026-07-05T03:36:17Z"},{"alias_kind":"pith_short_8","alias_value":"XQE3C2VM","created_at":"2026-07-05T03:36:17Z"}],"graph_snapshots":[{"event_id":"sha256:69c3212c666de276bb4eaa3cadffdb67e0b52837a196d2171acc71b739b43be8","target":"graph","created_at":"2026-07-05T03:36:17Z","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/2110.12758/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In 2002, V838 Monocerotis (V838 Mon) erupted in a red novae event which has been interpreted to be a stellar merger. Soon after reaching peak luminosity, it began to cool, and its spectrum evolved to later spectral types. Dust was also formed in the post-merger remnant, making it bright in the mid-infrared. Interferometric studies at these wavelengths have suggested the presence of a flattened, elongated structure. We investigate, for the first time, the structure and orientation of the dusty envelope surrounding V838 Mon in the $L$(2.8-4.2 $\\mu$m) band using recent observations with the MATIS","authors_text":"Alexis Matter, Claudia Paladini, Markus Wittkowski, Muhammad Zain Mobeen, Tomasz Kami\\'nski","cross_cats":["astro-ph.HE"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-10-25T09:38:44Z","title":"The mid-infrared environment of the stellar merger remnant V838 Monocerotis"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2110.12758","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":"sha256:16449bb234e5b13e8d4a90221a8c2e1c9542b2497450a35f5f71bca9685e5ed1","target":"record","created_at":"2026-07-05T03:36:17Z","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":"1f967581ba5dac3392b59e73f75a3acb4b6ea48256100fdb47d78218355bc34e","cross_cats_sorted":["astro-ph.HE"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-10-25T09:38:44Z","title_canon_sha256":"e01d21088953a7ac48eea533da77811e2471d0e7fe0de145056d4c9e3b72bdfe"},"schema_version":"1.0","source":{"id":"2110.12758","kind":"arxiv","version":2}},"canonical_sha256":"bc09b16aac06ff1582c895ddb33e08d0d5adc81463dd60edc0a84ebcd27a9b1f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bc09b16aac06ff1582c895ddb33e08d0d5adc81463dd60edc0a84ebcd27a9b1f","first_computed_at":"2026-07-05T03:36:17.081483Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:36:17.081483Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"OytTQiQEN1ocV5Icw0/DS80i1fS3ZZBv1kUx6NtR8Q2F8AfRgToXjiFitiQWACWEB2Bha7R3tljf3UdhxAd2CA==","signature_status":"signed_v1","signed_at":"2026-07-05T03:36:17.081975Z","signed_message":"canonical_sha256_bytes"},"source_id":"2110.12758","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:16449bb234e5b13e8d4a90221a8c2e1c9542b2497450a35f5f71bca9685e5ed1","sha256:69c3212c666de276bb4eaa3cadffdb67e0b52837a196d2171acc71b739b43be8"],"state_sha256":"9b7c67513c89285ca69d058362543482c812d67a02499c8d2f1f96414e5af544"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZNkdqY5PKuZTkNpohM2D3pUxbh4XRg+SDvzQ+GfU7xE6iZtH58Gi4WmnBPNFhfqa76seRDEturXNN4y8UBQPDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-14T17:22:35.152581Z","bundle_sha256":"efa538bc19368a514a71f8af899f6a6f0b42036013e361d25dbd5df2fe9309a6"}}