{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2003:R2GXS3RDII5NA3MYTFWPLAIGB2","short_pith_number":"pith:R2GXS3RD","canonical_record":{"source":{"id":"astro-ph/0312408","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-12-16T15:05:59Z","cross_cats_sorted":[],"title_canon_sha256":"396acb6a132db307b14d84e7cc59436a37961048413a1c1fca006efa1f61be95","abstract_canon_sha256":"bf9079a151670a8a8fe86759b65c47371f916509d720ac8ff8d7a31c73d6038d"},"schema_version":"1.0"},"canonical_sha256":"8e8d796e23423ad06d98996cf581060eb0022411f46b2f46f484d3291023e687","source":{"kind":"arxiv","id":"astro-ph/0312408","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0312408","created_at":"2026-07-04T16:38:00Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0312408v1","created_at":"2026-07-04T16:38:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0312408","created_at":"2026-07-04T16:38:00Z"},{"alias_kind":"pith_short_12","alias_value":"R2GXS3RDII5N","created_at":"2026-07-04T16:38:00Z"},{"alias_kind":"pith_short_16","alias_value":"R2GXS3RDII5NA3MY","created_at":"2026-07-04T16:38:00Z"},{"alias_kind":"pith_short_8","alias_value":"R2GXS3RD","created_at":"2026-07-04T16:38:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2003:R2GXS3RDII5NA3MYTFWPLAIGB2","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0312408","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2003-12-16T15:05:59Z","cross_cats_sorted":[],"title_canon_sha256":"396acb6a132db307b14d84e7cc59436a37961048413a1c1fca006efa1f61be95","abstract_canon_sha256":"bf9079a151670a8a8fe86759b65c47371f916509d720ac8ff8d7a31c73d6038d"},"schema_version":"1.0"},"canonical_sha256":"8e8d796e23423ad06d98996cf581060eb0022411f46b2f46f484d3291023e687","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:38:00.488889Z","signature_b64":"DmhKmDBCPpm7Id/QaIVQsmAGsyC1pHvliLhACAc9L64ptrzR1RB6vSWBgkHuMaLIyShnTz+0dig3JRyfUPgGBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8e8d796e23423ad06d98996cf581060eb0022411f46b2f46f484d3291023e687","last_reissued_at":"2026-07-04T16:38:00.488553Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:38:00.488553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0312408","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":"2026-07-04T16:38:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Q1HL9vnRWRQMOfF+1ki1uh1sECcB6GRRzTUNsVsFcJEW/P6fc9TdLKJVp70nPjuO0QOF38NMYBSwY673M1TVAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:15:26.867421Z"},"content_sha256":"fa37946b4f2eaf3088a8350f022eab0143061889ce183aafde87bb3b7d6ae289","schema_version":"1.0","event_id":"sha256:fa37946b4f2eaf3088a8350f022eab0143061889ce183aafde87bb3b7d6ae289"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2003:R2GXS3RDII5NA3MYTFWPLAIGB2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Excess mid-IR emission in Cataclysmic Variables","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"B. Kern, G. Dubus, H. C. Spruit, R. Campbell, R. E. Taam","submitted_at":"2003-12-16T15:05:59Z","abstract_excerpt":"We present a search for excess mid-IR emission due to circumbinary material in the orbital plane of cataclysmic variables (CVs). Our motivation stems from the fact that the strong braking exerted by a circumbinary (CB) disc on the binary system could explain several puzzles in our current understanding of CV evolution. Since theoretical estimates predict that the emission from a CB disc can dominate the spectral energy distribution (SED) of the system at wavelengths > 5 microns, we obtained simultaneous visible to mid-IR SEDs for eight systems. We report detections of SS Cyg at 11.7 microns an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0312408","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/astro-ph/0312408/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":"2026-07-04T16:38:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FvM+7ih5ZF7HguHhib5ZJ7yISZvxz6/2eRniP9GRxXc/gj6a/5xSMDBtYEtKa4V/vuoyU3nXgbG4DzlUcntSDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T07:15:26.867796Z"},"content_sha256":"2a6dd58a04d18e2f67c49c20fea620a7a4d20a7184a12e5b8525a1006c8c49dc","schema_version":"1.0","event_id":"sha256:2a6dd58a04d18e2f67c49c20fea620a7a4d20a7184a12e5b8525a1006c8c49dc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/R2GXS3RDII5NA3MYTFWPLAIGB2/bundle.json","state_url":"https://pith.science/pith/R2GXS3RDII5NA3MYTFWPLAIGB2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/R2GXS3RDII5NA3MYTFWPLAIGB2/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":"2026-07-05T07:15:26Z","links":{"resolver":"https://pith.science/pith/R2GXS3RDII5NA3MYTFWPLAIGB2","bundle":"https://pith.science/pith/R2GXS3RDII5NA3MYTFWPLAIGB2/bundle.json","state":"https://pith.science/pith/R2GXS3RDII5NA3MYTFWPLAIGB2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/R2GXS3RDII5NA3MYTFWPLAIGB2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2003:R2GXS3RDII5NA3MYTFWPLAIGB2","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":"bf9079a151670a8a8fe86759b65c47371f916509d720ac8ff8d7a31c73d6038d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-12-16T15:05:59Z","title_canon_sha256":"396acb6a132db307b14d84e7cc59436a37961048413a1c1fca006efa1f61be95"},"schema_version":"1.0","source":{"id":"astro-ph/0312408","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0312408","created_at":"2026-07-04T16:38:00Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0312408v1","created_at":"2026-07-04T16:38:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0312408","created_at":"2026-07-04T16:38:00Z"},{"alias_kind":"pith_short_12","alias_value":"R2GXS3RDII5N","created_at":"2026-07-04T16:38:00Z"},{"alias_kind":"pith_short_16","alias_value":"R2GXS3RDII5NA3MY","created_at":"2026-07-04T16:38:00Z"},{"alias_kind":"pith_short_8","alias_value":"R2GXS3RD","created_at":"2026-07-04T16:38:00Z"}],"graph_snapshots":[{"event_id":"sha256:2a6dd58a04d18e2f67c49c20fea620a7a4d20a7184a12e5b8525a1006c8c49dc","target":"graph","created_at":"2026-07-04T16:38:00Z","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/astro-ph/0312408/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a search for excess mid-IR emission due to circumbinary material in the orbital plane of cataclysmic variables (CVs). Our motivation stems from the fact that the strong braking exerted by a circumbinary (CB) disc on the binary system could explain several puzzles in our current understanding of CV evolution. Since theoretical estimates predict that the emission from a CB disc can dominate the spectral energy distribution (SED) of the system at wavelengths > 5 microns, we obtained simultaneous visible to mid-IR SEDs for eight systems. We report detections of SS Cyg at 11.7 microns an","authors_text":"B. Kern, G. Dubus, H. C. Spruit, R. Campbell, R. E. Taam","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2003-12-16T15:05:59Z","title":"Excess mid-IR emission in Cataclysmic Variables"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0312408","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:fa37946b4f2eaf3088a8350f022eab0143061889ce183aafde87bb3b7d6ae289","target":"record","created_at":"2026-07-04T16:38:00Z","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":"bf9079a151670a8a8fe86759b65c47371f916509d720ac8ff8d7a31c73d6038d","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2003-12-16T15:05:59Z","title_canon_sha256":"396acb6a132db307b14d84e7cc59436a37961048413a1c1fca006efa1f61be95"},"schema_version":"1.0","source":{"id":"astro-ph/0312408","kind":"arxiv","version":1}},"canonical_sha256":"8e8d796e23423ad06d98996cf581060eb0022411f46b2f46f484d3291023e687","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8e8d796e23423ad06d98996cf581060eb0022411f46b2f46f484d3291023e687","first_computed_at":"2026-07-04T16:38:00.488553Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T16:38:00.488553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"DmhKmDBCPpm7Id/QaIVQsmAGsyC1pHvliLhACAc9L64ptrzR1RB6vSWBgkHuMaLIyShnTz+0dig3JRyfUPgGBA==","signature_status":"signed_v1","signed_at":"2026-07-04T16:38:00.488889Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0312408","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fa37946b4f2eaf3088a8350f022eab0143061889ce183aafde87bb3b7d6ae289","sha256:2a6dd58a04d18e2f67c49c20fea620a7a4d20a7184a12e5b8525a1006c8c49dc"],"state_sha256":"21f79796808012e0b75159e8c44a1220cf4f82a3e7dabd225b3fc3ce7fdafbb0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q387OMPFQKjgQblRgmtR+qWecbHrXb+M/sldiTc8C/dLhLrpM5ODQBfVB5pNB6shDg0WTKQHhI+WOaexfVeVAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T07:15:26.869733Z","bundle_sha256":"48c72b311cb3df132f6e42720422f331d1a6686f6d15cbc0552caebe5a4e42d4"}}