{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:6YBOZ6WCE7AUBYEEFR355WVH6W","short_pith_number":"pith:6YBOZ6WC","canonical_record":{"source":{"id":"2105.00077","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-04-30T20:34:28Z","cross_cats_sorted":[],"title_canon_sha256":"75da3b0ed5c61007217c915e3e4debdd053dbe0de2ef6fddf4f9b4f6033b42ad","abstract_canon_sha256":"3b5db1daf62e823d8199422c95c3d56d95d3016b7f43f9dc2bbf0c23da88e858"},"schema_version":"1.0"},"canonical_sha256":"f602ecfac227c140e0842c77dedaa7f58b1ff901cda0132a326797ed8b206312","source":{"kind":"arxiv","id":"2105.00077","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.00077","created_at":"2026-07-05T04:03:45Z"},{"alias_kind":"arxiv_version","alias_value":"2105.00077v1","created_at":"2026-07-05T04:03:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.00077","created_at":"2026-07-05T04:03:45Z"},{"alias_kind":"pith_short_12","alias_value":"6YBOZ6WCE7AU","created_at":"2026-07-05T04:03:45Z"},{"alias_kind":"pith_short_16","alias_value":"6YBOZ6WCE7AUBYEE","created_at":"2026-07-05T04:03:45Z"},{"alias_kind":"pith_short_8","alias_value":"6YBOZ6WC","created_at":"2026-07-05T04:03:45Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:6YBOZ6WCE7AUBYEEFR355WVH6W","target":"record","payload":{"canonical_record":{"source":{"id":"2105.00077","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-04-30T20:34:28Z","cross_cats_sorted":[],"title_canon_sha256":"75da3b0ed5c61007217c915e3e4debdd053dbe0de2ef6fddf4f9b4f6033b42ad","abstract_canon_sha256":"3b5db1daf62e823d8199422c95c3d56d95d3016b7f43f9dc2bbf0c23da88e858"},"schema_version":"1.0"},"canonical_sha256":"f602ecfac227c140e0842c77dedaa7f58b1ff901cda0132a326797ed8b206312","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T04:03:45.999469Z","signature_b64":"37jbrNlsyMBvFFFIUmS3bnqMhQ3s1E1NLWvlGhIbJGIxr63D+478XNHi9jJ+tmh6PbDOz+RArYCKFPrRf/E3BA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f602ecfac227c140e0842c77dedaa7f58b1ff901cda0132a326797ed8b206312","last_reissued_at":"2026-07-05T04:03:45.999039Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T04:03:45.999039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2105.00077","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":"2026-07-05T04:03:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NI1xAgbFeDCY881OW34Wf2zv/uX1jzBzb3x5xrANHS35AtSruiFUZonOJ9FrQ2prgSbtEi389nUKdUElwBZiDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:31:46.033770Z"},"content_sha256":"dfeef3267b7b3fdf92d5b02082c95fd3616a21eeaa7a42858e6ff95981eaafcd","schema_version":"1.0","event_id":"sha256:dfeef3267b7b3fdf92d5b02082c95fd3616a21eeaa7a42858e6ff95981eaafcd"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:6YBOZ6WCE7AUBYEEFR355WVH6W","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Formation of Discs in the Interior of AGB Stars from the Tidal Disruption of Planets and Brown Dwarfs","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Adam Frank, Eric G. Blackman, Gabriel Guidarelli, Jason Nordhaus, Jonathan Carroll-Nellenback, Luke Chamandy","submitted_at":"2021-04-30T20:34:28Z","abstract_excerpt":"A significant fraction of isolated white dwarfs host magnetic fields in excess of a MegaGauss. Observations suggest that these fields originate in interacting binary systems where the companion is destroyed thus leaving a singular, highly-magnetized white dwarf. In post-main-sequence evolution, radial expansion of the parent star may cause orbiting companions to become engulfed. During the common envelope phase, as the orbital separation rapidly decreases, low-mass companions will tidally disrupt as they approach the giant's core. We hydrodynamically simulate the tidal disruption of planets an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.00077","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/2105.00077/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":"2026-07-05T04:03:45Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qVVAgsj9dOzxqg8V1i2yE2ImMKkqRewPAt6gbIZze2x9nRvhd2NILIkJzV5V/7IsnLNvGvdlFacfMA44xBYoBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T08:31:46.034152Z"},"content_sha256":"869a85dff663a8066d5eac6a39dd8752ee512ad4ee67187f4914089199a9e05b","schema_version":"1.0","event_id":"sha256:869a85dff663a8066d5eac6a39dd8752ee512ad4ee67187f4914089199a9e05b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6YBOZ6WCE7AUBYEEFR355WVH6W/bundle.json","state_url":"https://pith.science/pith/6YBOZ6WCE7AUBYEEFR355WVH6W/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6YBOZ6WCE7AUBYEEFR355WVH6W/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":"2026-07-06T08:31:46Z","links":{"resolver":"https://pith.science/pith/6YBOZ6WCE7AUBYEEFR355WVH6W","bundle":"https://pith.science/pith/6YBOZ6WCE7AUBYEEFR355WVH6W/bundle.json","state":"https://pith.science/pith/6YBOZ6WCE7AUBYEEFR355WVH6W/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6YBOZ6WCE7AUBYEEFR355WVH6W/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:6YBOZ6WCE7AUBYEEFR355WVH6W","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":"3b5db1daf62e823d8199422c95c3d56d95d3016b7f43f9dc2bbf0c23da88e858","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-04-30T20:34:28Z","title_canon_sha256":"75da3b0ed5c61007217c915e3e4debdd053dbe0de2ef6fddf4f9b4f6033b42ad"},"schema_version":"1.0","source":{"id":"2105.00077","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2105.00077","created_at":"2026-07-05T04:03:45Z"},{"alias_kind":"arxiv_version","alias_value":"2105.00077v1","created_at":"2026-07-05T04:03:45Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2105.00077","created_at":"2026-07-05T04:03:45Z"},{"alias_kind":"pith_short_12","alias_value":"6YBOZ6WCE7AU","created_at":"2026-07-05T04:03:45Z"},{"alias_kind":"pith_short_16","alias_value":"6YBOZ6WCE7AUBYEE","created_at":"2026-07-05T04:03:45Z"},{"alias_kind":"pith_short_8","alias_value":"6YBOZ6WC","created_at":"2026-07-05T04:03:45Z"}],"graph_snapshots":[{"event_id":"sha256:869a85dff663a8066d5eac6a39dd8752ee512ad4ee67187f4914089199a9e05b","target":"graph","created_at":"2026-07-05T04:03:45Z","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/2105.00077/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A significant fraction of isolated white dwarfs host magnetic fields in excess of a MegaGauss. Observations suggest that these fields originate in interacting binary systems where the companion is destroyed thus leaving a singular, highly-magnetized white dwarf. In post-main-sequence evolution, radial expansion of the parent star may cause orbiting companions to become engulfed. During the common envelope phase, as the orbital separation rapidly decreases, low-mass companions will tidally disrupt as they approach the giant's core. We hydrodynamically simulate the tidal disruption of planets an","authors_text":"Adam Frank, Eric G. Blackman, Gabriel Guidarelli, Jason Nordhaus, Jonathan Carroll-Nellenback, Luke Chamandy","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-04-30T20:34:28Z","title":"The Formation of Discs in the Interior of AGB Stars from the Tidal Disruption of Planets and Brown Dwarfs"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2105.00077","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:dfeef3267b7b3fdf92d5b02082c95fd3616a21eeaa7a42858e6ff95981eaafcd","target":"record","created_at":"2026-07-05T04:03:45Z","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":"3b5db1daf62e823d8199422c95c3d56d95d3016b7f43f9dc2bbf0c23da88e858","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2021-04-30T20:34:28Z","title_canon_sha256":"75da3b0ed5c61007217c915e3e4debdd053dbe0de2ef6fddf4f9b4f6033b42ad"},"schema_version":"1.0","source":{"id":"2105.00077","kind":"arxiv","version":1}},"canonical_sha256":"f602ecfac227c140e0842c77dedaa7f58b1ff901cda0132a326797ed8b206312","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f602ecfac227c140e0842c77dedaa7f58b1ff901cda0132a326797ed8b206312","first_computed_at":"2026-07-05T04:03:45.999039Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T04:03:45.999039Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"37jbrNlsyMBvFFFIUmS3bnqMhQ3s1E1NLWvlGhIbJGIxr63D+478XNHi9jJ+tmh6PbDOz+RArYCKFPrRf/E3BA==","signature_status":"signed_v1","signed_at":"2026-07-05T04:03:45.999469Z","signed_message":"canonical_sha256_bytes"},"source_id":"2105.00077","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dfeef3267b7b3fdf92d5b02082c95fd3616a21eeaa7a42858e6ff95981eaafcd","sha256:869a85dff663a8066d5eac6a39dd8752ee512ad4ee67187f4914089199a9e05b"],"state_sha256":"28bc207135a99260cd6f51523b02218b22d716618b61b80702e57aee2cc6d040"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"je9LU5i8sv43BNWh0sDwAOkTsno9RaQSJ5I1vFgNnn+9B+U22I4wNbt4liCmKylDpa6L89dSvpc3Evj3egpVBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T08:31:46.036127Z","bundle_sha256":"3e96960fa32e68e3a0cb830671684d9f9d405d70035f61a724c3f5307e82f891"}}