{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:MYRARPFLQF7GQVLIWA3QQM5VVN","short_pith_number":"pith:MYRARPFL","canonical_record":{"source":{"id":"2105.13893","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-05-28T14:57:42Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"09729a2982210ff22750b0942a07b25d00af1d3b12689c163e66c6eaaad779e5","abstract_canon_sha256":"1aa6decfa0bad434bcda0ee4e4ccceaa1834c088d3c97714313a1fe9ff159dfa"},"schema_version":"1.0"},"canonical_sha256":"662208bcab817e685568b0370833b5ab64d63c012dfbc149d518636dfa61f81a","source":{"kind":"arxiv","id":"2105.13893","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.13893","created_at":"2026-07-05T03:34:26Z"},{"alias_kind":"arxiv_version","alias_value":"2105.13893v1","created_at":"2026-07-05T03:34:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.13893","created_at":"2026-07-05T03:34:26Z"},{"alias_kind":"pith_short_12","alias_value":"MYRARPFLQF7G","created_at":"2026-07-05T03:34:26Z"},{"alias_kind":"pith_short_16","alias_value":"MYRARPFLQF7GQVLI","created_at":"2026-07-05T03:34:26Z"},{"alias_kind":"pith_short_8","alias_value":"MYRARPFL","created_at":"2026-07-05T03:34:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:MYRARPFLQF7GQVLIWA3QQM5VVN","target":"record","payload":{"canonical_record":{"source":{"id":"2105.13893","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-05-28T14:57:42Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"09729a2982210ff22750b0942a07b25d00af1d3b12689c163e66c6eaaad779e5","abstract_canon_sha256":"1aa6decfa0bad434bcda0ee4e4ccceaa1834c088d3c97714313a1fe9ff159dfa"},"schema_version":"1.0"},"canonical_sha256":"662208bcab817e685568b0370833b5ab64d63c012dfbc149d518636dfa61f81a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T03:34:26.236332Z","signature_b64":"uGoj4DCXwedlaJCY71XvSUyvYy5UnxRUB1fjMKRbxRoH8TDiF8yEuX4E5FT0T7oiyoz81dpzRisdIoD8qbrgAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"662208bcab817e685568b0370833b5ab64d63c012dfbc149d518636dfa61f81a","last_reissued_at":"2026-07-05T03:34:26.235913Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T03:34:26.235913Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.13893","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":"2026-07-05T03:34:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p2PbVID5ZFw0D/8wNMQFf56gtf0HKeyFQqdiwnLCaXMhYUiz9/nHA+mDvMvEXTwjT2SvP/0Pje05Vg2BjxmXBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T00:18:28.155164Z"},"content_sha256":"b15e3dbda511ebfed6ffc6a85348bb232061a41a2c49c21c24c836a2508a4552","schema_version":"1.0","event_id":"sha256:b15e3dbda511ebfed6ffc6a85348bb232061a41a2c49c21c24c836a2508a4552"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:MYRARPFLQF7GQVLIWA3QQM5VVN","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Galactic Extinction: How Many Novae Does it Hide and How Does it Affect the Galactic Nova Rate?","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"A. Kawash, B. Shappee, C. S. Kochanek, E. Aydi, J. A. Rodriguez, J. L. Prieto, J. Strader, K. De, K. Mukai, K. V. Sokolovsky, K. Z. Stanek, L. Chomiuk, T. A. Thompson, T. W.-S. Holoien","submitted_at":"2021-05-28T14:57:42Z","abstract_excerpt":"There is a longstanding discrepancy between the observed Galactic classical nova rate of $\\sim 10$ yr$^{-1}$ and the predicted rate from Galactic models of $\\sim 30$--50 yr$^{-1}$. One explanation for this discrepancy is that many novae are hidden by interstellar extinction, but the degree to which dust can obscure novae is poorly constrained. We use newly available all-sky three-dimensional dust maps to compare the brightness and spatial distribution of known novae to that predicted from relatively simple models in which novae trace Galactic stellar mass. We find that only half ($\\sim 48$\\%) "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.13893","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/2105.13893/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":"2026-07-05T03:34:26Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qBVgWuVLOUrK+pBM51Lb5CbD8I/MSYOAFKEJCMSAw1uaZdqX0ueax5oBQw3xVnRgH6EYpSlQSVVYBWUn+I7oAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-24T00:18:28.155589Z"},"content_sha256":"6387f08ccc3a739ff525634f5b4cf08e2e61f0460305b1d2b41256a84e804cad","schema_version":"1.0","event_id":"sha256:6387f08ccc3a739ff525634f5b4cf08e2e61f0460305b1d2b41256a84e804cad"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MYRARPFLQF7GQVLIWA3QQM5VVN/bundle.json","state_url":"https://pith.science/pith/MYRARPFLQF7GQVLIWA3QQM5VVN/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MYRARPFLQF7GQVLIWA3QQM5VVN/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":"2026-07-24T00:18:28Z","links":{"resolver":"https://pith.science/pith/MYRARPFLQF7GQVLIWA3QQM5VVN","bundle":"https://pith.science/pith/MYRARPFLQF7GQVLIWA3QQM5VVN/bundle.json","state":"https://pith.science/pith/MYRARPFLQF7GQVLIWA3QQM5VVN/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MYRARPFLQF7GQVLIWA3QQM5VVN/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:MYRARPFLQF7GQVLIWA3QQM5VVN","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":"1aa6decfa0bad434bcda0ee4e4ccceaa1834c088d3c97714313a1fe9ff159dfa","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-05-28T14:57:42Z","title_canon_sha256":"09729a2982210ff22750b0942a07b25d00af1d3b12689c163e66c6eaaad779e5"},"schema_version":"1.0","source":{"id":"2105.13893","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.13893","created_at":"2026-07-05T03:34:26Z"},{"alias_kind":"arxiv_version","alias_value":"2105.13893v1","created_at":"2026-07-05T03:34:26Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.13893","created_at":"2026-07-05T03:34:26Z"},{"alias_kind":"pith_short_12","alias_value":"MYRARPFLQF7G","created_at":"2026-07-05T03:34:26Z"},{"alias_kind":"pith_short_16","alias_value":"MYRARPFLQF7GQVLI","created_at":"2026-07-05T03:34:26Z"},{"alias_kind":"pith_short_8","alias_value":"MYRARPFL","created_at":"2026-07-05T03:34:26Z"}],"graph_snapshots":[{"event_id":"sha256:6387f08ccc3a739ff525634f5b4cf08e2e61f0460305b1d2b41256a84e804cad","target":"graph","created_at":"2026-07-05T03:34:26Z","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/2105.13893/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"There is a longstanding discrepancy between the observed Galactic classical nova rate of $\\sim 10$ yr$^{-1}$ and the predicted rate from Galactic models of $\\sim 30$--50 yr$^{-1}$. One explanation for this discrepancy is that many novae are hidden by interstellar extinction, but the degree to which dust can obscure novae is poorly constrained. We use newly available all-sky three-dimensional dust maps to compare the brightness and spatial distribution of known novae to that predicted from relatively simple models in which novae trace Galactic stellar mass. We find that only half ($\\sim 48$\\%) ","authors_text":"A. Kawash, B. Shappee, C. S. Kochanek, E. Aydi, J. A. Rodriguez, J. L. Prieto, J. Strader, K. De, K. Mukai, K. V. Sokolovsky, K. Z. Stanek, L. Chomiuk, T. A. Thompson, T. W.-S. Holoien","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-05-28T14:57:42Z","title":"Galactic Extinction: How Many Novae Does it Hide and How Does it Affect the Galactic Nova Rate?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.13893","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:b15e3dbda511ebfed6ffc6a85348bb232061a41a2c49c21c24c836a2508a4552","target":"record","created_at":"2026-07-05T03:34:26Z","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":"1aa6decfa0bad434bcda0ee4e4ccceaa1834c088d3c97714313a1fe9ff159dfa","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2021-05-28T14:57:42Z","title_canon_sha256":"09729a2982210ff22750b0942a07b25d00af1d3b12689c163e66c6eaaad779e5"},"schema_version":"1.0","source":{"id":"2105.13893","kind":"arxiv","version":1}},"canonical_sha256":"662208bcab817e685568b0370833b5ab64d63c012dfbc149d518636dfa61f81a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"662208bcab817e685568b0370833b5ab64d63c012dfbc149d518636dfa61f81a","first_computed_at":"2026-07-05T03:34:26.235913Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T03:34:26.235913Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"uGoj4DCXwedlaJCY71XvSUyvYy5UnxRUB1fjMKRbxRoH8TDiF8yEuX4E5FT0T7oiyoz81dpzRisdIoD8qbrgAw==","signature_status":"signed_v1","signed_at":"2026-07-05T03:34:26.236332Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.13893","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b15e3dbda511ebfed6ffc6a85348bb232061a41a2c49c21c24c836a2508a4552","sha256:6387f08ccc3a739ff525634f5b4cf08e2e61f0460305b1d2b41256a84e804cad"],"state_sha256":"aeeba391b226eb9d0ab66d3bc183e9e2376d173a53ca36db08873aad2bf8afd5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s+r8iH2EiF7cQ2dvzPANoIWhyd3itSHMHlxxi023nlTah21rnKpLwYUC7QWOoxSqhzi+Lrr2JZrHyZaSZdoDDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-24T00:18:28.158178Z","bundle_sha256":"83adad67212119c3e3460bdbc7b82711204fd15a354cccc89b66b9b33c850f3d"}}