{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:VE4VBTDRWFZEF2IUCTKRRXEHAM","short_pith_number":"pith:VE4VBTDR","canonical_record":{"source":{"id":"1110.4818","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-10-21T15:11:34Z","cross_cats_sorted":[],"title_canon_sha256":"286c866470745dac26a6b116fad0d045c053536a445454d81bbcea82aa77b49e","abstract_canon_sha256":"e982e71dabcd01066e2e3ff6a792fa19de6aa47d81212b7cf64d3fa0d476e179"},"schema_version":"1.0"},"canonical_sha256":"a93950cc71b17242e91414d518dc87031cb8322ae959ace478e70d4672c733a5","source":{"kind":"arxiv","id":"1110.4818","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.4818","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"arxiv_version","alias_value":"1110.4818v1","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.4818","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"pith_short_12","alias_value":"VE4VBTDRWFZE","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VE4VBTDRWFZEF2IU","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VE4VBTDR","created_at":"2026-05-18T12:26:44Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:VE4VBTDRWFZEF2IUCTKRRXEHAM","target":"record","payload":{"canonical_record":{"source":{"id":"1110.4818","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-10-21T15:11:34Z","cross_cats_sorted":[],"title_canon_sha256":"286c866470745dac26a6b116fad0d045c053536a445454d81bbcea82aa77b49e","abstract_canon_sha256":"e982e71dabcd01066e2e3ff6a792fa19de6aa47d81212b7cf64d3fa0d476e179"},"schema_version":"1.0"},"canonical_sha256":"a93950cc71b17242e91414d518dc87031cb8322ae959ace478e70d4672c733a5","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:00:07.236712Z","signature_b64":"0pSWvAkUrmK28qXrEYyFPU5iONOePkBYEl/+lWEnIHtTohinhZVwSzJeea/LEnCPLLxxuPfXpf2FCfimMWckDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a93950cc71b17242e91414d518dc87031cb8322ae959ace478e70d4672c733a5","last_reissued_at":"2026-05-18T02:00:07.235998Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:00:07.235998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1110.4818","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":"2026-05-18T02:00:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KsLGSDJeiOaV0kYhZrV7rDqQydhy320bxb75sDZatCsDFDVkkFJfqe0FxUAZ1d737WpjrQOGdW7PlUa3um48AA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T04:28:18.129627Z"},"content_sha256":"8f0e088b2eddf89310a96859aae03e29e17e604e07bba2522fd79aad7ea46a64","schema_version":"1.0","event_id":"sha256:8f0e088b2eddf89310a96859aae03e29e17e604e07bba2522fd79aad7ea46a64"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:VE4VBTDRWFZEF2IUCTKRRXEHAM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Thermal evolution and sintering of chondritic planetesimals","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.EP","authors_text":"Hans-Peter Gail, Mario Trieloff, Stephan Henke, Thorsten Kleine, Winfried H. Schwarz","submitted_at":"2011-10-21T15:11:34Z","abstract_excerpt":"The major aim of this study is to assess the effects of sintering of initially porous material on the thermal evolution of planetesimals, and to constrain the values of basic parameters that determined the structure and evolution of the H chondrite parent body. A new code is presented for modeling the thermal evolution of ordinary chondrite parent bodies that initially are highly porous and undergo sintering by hot pressing as they are heated by decay of radioactive nuclei. The pressure and temperature stratification in the interior of the bodies is calculated by solving the equations of hydro"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.4818","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":""},"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":"2026-05-18T02:00:07Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7sMEMprefnwG/lq4ezneSQfZh0v+TX2o7Ug0RtzxZZG4KnzyojpO71qw/fA2JUFaiMZdFqBY6LWweh68PD0NCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-20T04:28:18.129974Z"},"content_sha256":"833b0e6918779e3a7d9feb07ddbb18780d172b680719985a5cc582ab18f00920","schema_version":"1.0","event_id":"sha256:833b0e6918779e3a7d9feb07ddbb18780d172b680719985a5cc582ab18f00920"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VE4VBTDRWFZEF2IUCTKRRXEHAM/bundle.json","state_url":"https://pith.science/pith/VE4VBTDRWFZEF2IUCTKRRXEHAM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VE4VBTDRWFZEF2IUCTKRRXEHAM/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":"2026-06-20T04:28:18Z","links":{"resolver":"https://pith.science/pith/VE4VBTDRWFZEF2IUCTKRRXEHAM","bundle":"https://pith.science/pith/VE4VBTDRWFZEF2IUCTKRRXEHAM/bundle.json","state":"https://pith.science/pith/VE4VBTDRWFZEF2IUCTKRRXEHAM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VE4VBTDRWFZEF2IUCTKRRXEHAM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:VE4VBTDRWFZEF2IUCTKRRXEHAM","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":"e982e71dabcd01066e2e3ff6a792fa19de6aa47d81212b7cf64d3fa0d476e179","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-10-21T15:11:34Z","title_canon_sha256":"286c866470745dac26a6b116fad0d045c053536a445454d81bbcea82aa77b49e"},"schema_version":"1.0","source":{"id":"1110.4818","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1110.4818","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"arxiv_version","alias_value":"1110.4818v1","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1110.4818","created_at":"2026-05-18T02:00:07Z"},{"alias_kind":"pith_short_12","alias_value":"VE4VBTDRWFZE","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_16","alias_value":"VE4VBTDRWFZEF2IU","created_at":"2026-05-18T12:26:44Z"},{"alias_kind":"pith_short_8","alias_value":"VE4VBTDR","created_at":"2026-05-18T12:26:44Z"}],"graph_snapshots":[{"event_id":"sha256:833b0e6918779e3a7d9feb07ddbb18780d172b680719985a5cc582ab18f00920","target":"graph","created_at":"2026-05-18T02:00:07Z","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":"The major aim of this study is to assess the effects of sintering of initially porous material on the thermal evolution of planetesimals, and to constrain the values of basic parameters that determined the structure and evolution of the H chondrite parent body. A new code is presented for modeling the thermal evolution of ordinary chondrite parent bodies that initially are highly porous and undergo sintering by hot pressing as they are heated by decay of radioactive nuclei. The pressure and temperature stratification in the interior of the bodies is calculated by solving the equations of hydro","authors_text":"Hans-Peter Gail, Mario Trieloff, Stephan Henke, Thorsten Kleine, Winfried H. Schwarz","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-10-21T15:11:34Z","title":"Thermal evolution and sintering of chondritic planetesimals"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1110.4818","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":"sha256:8f0e088b2eddf89310a96859aae03e29e17e604e07bba2522fd79aad7ea46a64","target":"record","created_at":"2026-05-18T02:00:07Z","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":"e982e71dabcd01066e2e3ff6a792fa19de6aa47d81212b7cf64d3fa0d476e179","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.EP","submitted_at":"2011-10-21T15:11:34Z","title_canon_sha256":"286c866470745dac26a6b116fad0d045c053536a445454d81bbcea82aa77b49e"},"schema_version":"1.0","source":{"id":"1110.4818","kind":"arxiv","version":1}},"canonical_sha256":"a93950cc71b17242e91414d518dc87031cb8322ae959ace478e70d4672c733a5","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a93950cc71b17242e91414d518dc87031cb8322ae959ace478e70d4672c733a5","first_computed_at":"2026-05-18T02:00:07.235998Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:00:07.235998Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0pSWvAkUrmK28qXrEYyFPU5iONOePkBYEl/+lWEnIHtTohinhZVwSzJeea/LEnCPLLxxuPfXpf2FCfimMWckDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:00:07.236712Z","signed_message":"canonical_sha256_bytes"},"source_id":"1110.4818","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8f0e088b2eddf89310a96859aae03e29e17e604e07bba2522fd79aad7ea46a64","sha256:833b0e6918779e3a7d9feb07ddbb18780d172b680719985a5cc582ab18f00920"],"state_sha256":"79238305afad1a2ead8b2f17e6317e96e596e4007b1d1b060273494c74c433ed"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vDLTm+kn1olQzS3ubEDYuu59Tn6CNnmdMOj+0/c7bAHLET+uBVOvV4gRkMiKsIuzR5MnGpgVTHN+5yy02jsDBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-20T04:28:18.131910Z","bundle_sha256":"e62f592a760f5a560ece2cd75da12524c7d4a7ea20965112dc9cbd1869c2b65c"}}