{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:6TO4F7N4KPVCAMW7LCSLVC2S64","short_pith_number":"pith:6TO4F7N4","canonical_record":{"source":{"id":"1506.08976","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-30T07:52:22Z","cross_cats_sorted":[],"title_canon_sha256":"82e2396971f7fb44cb46cad283928455c13760cf4212c1b432ea08489f79976c","abstract_canon_sha256":"f39415f665410b7341cb426083831a474dd8e214ab0a0c3710992fc9bb4885bb"},"schema_version":"1.0"},"canonical_sha256":"f4ddc2fdbc53ea2032df58a4ba8b52f73b8bd726b39a3129e438dccf36c23754","source":{"kind":"arxiv","id":"1506.08976","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08976","created_at":"2026-05-18T01:35:46Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08976v2","created_at":"2026-05-18T01:35:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08976","created_at":"2026-05-18T01:35:46Z"},{"alias_kind":"pith_short_12","alias_value":"6TO4F7N4KPVC","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6TO4F7N4KPVCAMW7","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6TO4F7N4","created_at":"2026-05-18T12:29:07Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:6TO4F7N4KPVCAMW7LCSLVC2S64","target":"record","payload":{"canonical_record":{"source":{"id":"1506.08976","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-30T07:52:22Z","cross_cats_sorted":[],"title_canon_sha256":"82e2396971f7fb44cb46cad283928455c13760cf4212c1b432ea08489f79976c","abstract_canon_sha256":"f39415f665410b7341cb426083831a474dd8e214ab0a0c3710992fc9bb4885bb"},"schema_version":"1.0"},"canonical_sha256":"f4ddc2fdbc53ea2032df58a4ba8b52f73b8bd726b39a3129e438dccf36c23754","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:35:46.338832Z","signature_b64":"FRV2F62BTlvZeWka/GNhZXsfHZTUY88/j415tG0tzWHTUy8qX1wyiUYDgzS69VHTL7NUxhlCa2eGcZQezdGBAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f4ddc2fdbc53ea2032df58a4ba8b52f73b8bd726b39a3129e438dccf36c23754","last_reissued_at":"2026-05-18T01:35:46.338204Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:35:46.338204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.08976","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":"2026-05-18T01:35:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qX5Kge+Nj1cSl739XPK+m+/LShriu1pZWUPGvrZ4rGE+62Xwc7d5+e9eAWgsl5yNsBeYgcsIgwYZdjRu90x0Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T22:14:09.895957Z"},"content_sha256":"daba7b892616e4c71d7fcdd22da34786605a2b682abf300726e2130ec34f88b1","schema_version":"1.0","event_id":"sha256:daba7b892616e4c71d7fcdd22da34786605a2b682abf300726e2130ec34f88b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:6TO4F7N4KPVCAMW7LCSLVC2S64","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"He-Accreting WDs: AM CVn stars with WD Donors","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Amedeo Tornambe', Lev R. Yungelson, Luciano Piersanti","submitted_at":"2015-06-30T07:52:22Z","abstract_excerpt":"We study the physical and evolutionary properties of the \"WD family\" of AM CVn stars by computing realistic models of IDD systems. We evaluate self-consistently both the mass transfer rate from the donor, as determined by GW emission and interaction with the binary companion, and the thermal response of the accretor to mass deposition. We find that, after the onset of mass transfer, all the considered systems undergo a strong non-dynamical He-flash. However, due to the compactness of these systems, the expanding accretors fill their Roche lobe very soon, thus preventing the efficient heating o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08976","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":"2026-05-18T01:35:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X4CroPgcU+xBn1hT2ztlcHtjqIVXGYeZJBS9a9TerQs1+Q0GEsF0n1fbzsOYNkHMm7b9DkAiA/NPYUg7fOSoDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T22:14:09.896602Z"},"content_sha256":"47ed9b3b2f385b3e3de23f4289de5e07e2c536a77ffa71ef7d8159e63992fc59","schema_version":"1.0","event_id":"sha256:47ed9b3b2f385b3e3de23f4289de5e07e2c536a77ffa71ef7d8159e63992fc59"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6TO4F7N4KPVCAMW7LCSLVC2S64/bundle.json","state_url":"https://pith.science/pith/6TO4F7N4KPVCAMW7LCSLVC2S64/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6TO4F7N4KPVCAMW7LCSLVC2S64/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":"2026-06-04T22:14:09Z","links":{"resolver":"https://pith.science/pith/6TO4F7N4KPVCAMW7LCSLVC2S64","bundle":"https://pith.science/pith/6TO4F7N4KPVCAMW7LCSLVC2S64/bundle.json","state":"https://pith.science/pith/6TO4F7N4KPVCAMW7LCSLVC2S64/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6TO4F7N4KPVCAMW7LCSLVC2S64/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:6TO4F7N4KPVCAMW7LCSLVC2S64","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":"f39415f665410b7341cb426083831a474dd8e214ab0a0c3710992fc9bb4885bb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-30T07:52:22Z","title_canon_sha256":"82e2396971f7fb44cb46cad283928455c13760cf4212c1b432ea08489f79976c"},"schema_version":"1.0","source":{"id":"1506.08976","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.08976","created_at":"2026-05-18T01:35:46Z"},{"alias_kind":"arxiv_version","alias_value":"1506.08976v2","created_at":"2026-05-18T01:35:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.08976","created_at":"2026-05-18T01:35:46Z"},{"alias_kind":"pith_short_12","alias_value":"6TO4F7N4KPVC","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_16","alias_value":"6TO4F7N4KPVCAMW7","created_at":"2026-05-18T12:29:07Z"},{"alias_kind":"pith_short_8","alias_value":"6TO4F7N4","created_at":"2026-05-18T12:29:07Z"}],"graph_snapshots":[{"event_id":"sha256:47ed9b3b2f385b3e3de23f4289de5e07e2c536a77ffa71ef7d8159e63992fc59","target":"graph","created_at":"2026-05-18T01:35:46Z","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":"We study the physical and evolutionary properties of the \"WD family\" of AM CVn stars by computing realistic models of IDD systems. We evaluate self-consistently both the mass transfer rate from the donor, as determined by GW emission and interaction with the binary companion, and the thermal response of the accretor to mass deposition. We find that, after the onset of mass transfer, all the considered systems undergo a strong non-dynamical He-flash. However, due to the compactness of these systems, the expanding accretors fill their Roche lobe very soon, thus preventing the efficient heating o","authors_text":"Amedeo Tornambe', Lev R. Yungelson, Luciano Piersanti","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-30T07:52:22Z","title":"He-Accreting WDs: AM CVn stars with WD Donors"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.08976","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:daba7b892616e4c71d7fcdd22da34786605a2b682abf300726e2130ec34f88b1","target":"record","created_at":"2026-05-18T01:35:46Z","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":"f39415f665410b7341cb426083831a474dd8e214ab0a0c3710992fc9bb4885bb","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-06-30T07:52:22Z","title_canon_sha256":"82e2396971f7fb44cb46cad283928455c13760cf4212c1b432ea08489f79976c"},"schema_version":"1.0","source":{"id":"1506.08976","kind":"arxiv","version":2}},"canonical_sha256":"f4ddc2fdbc53ea2032df58a4ba8b52f73b8bd726b39a3129e438dccf36c23754","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f4ddc2fdbc53ea2032df58a4ba8b52f73b8bd726b39a3129e438dccf36c23754","first_computed_at":"2026-05-18T01:35:46.338204Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:35:46.338204Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"FRV2F62BTlvZeWka/GNhZXsfHZTUY88/j415tG0tzWHTUy8qX1wyiUYDgzS69VHTL7NUxhlCa2eGcZQezdGBAg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:35:46.338832Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.08976","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:daba7b892616e4c71d7fcdd22da34786605a2b682abf300726e2130ec34f88b1","sha256:47ed9b3b2f385b3e3de23f4289de5e07e2c536a77ffa71ef7d8159e63992fc59"],"state_sha256":"700dc90e1c563472a538ac9ef386b44f65d241fb80d5e5c9c6ec456c9c5265f5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CppnXRFa6LzgCJlKmhftVRxQaDfN/qxHbHsD1hRJSMcRVFczGYowNjYzcNyhdaZ+dbUa9GzBadp5u+EM23XRDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T22:14:09.899838Z","bundle_sha256":"34aaab0e248d2f36945dba16abdd6aeb0474f60d577d1806658bc2c3471d53ed"}}