{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:FHWOHLM7IHPQMXZHKWHSXLDFHZ","short_pith_number":"pith:FHWOHLM7","canonical_record":{"source":{"id":"2010.09758","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-19T18:02:50Z","cross_cats_sorted":[],"title_canon_sha256":"b079724ddd6112e9c84814f57bcdb0e7508b366c9b49915716191dca0cc20520","abstract_canon_sha256":"330a62bfbe6412c26552d85a35fddeaef4a9ec6af3daee3adf592e08c6d77c8d"},"schema_version":"1.0"},"canonical_sha256":"29ece3ad9f41df065f27558f2bac653e792d57e452d9d8ebacc396d09271481a","source":{"kind":"arxiv","id":"2010.09758","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.09758","created_at":"2026-07-05T01:52:29Z"},{"alias_kind":"arxiv_version","alias_value":"2010.09758v1","created_at":"2026-07-05T01:52:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.09758","created_at":"2026-07-05T01:52:29Z"},{"alias_kind":"pith_short_12","alias_value":"FHWOHLM7IHPQ","created_at":"2026-07-05T01:52:29Z"},{"alias_kind":"pith_short_16","alias_value":"FHWOHLM7IHPQMXZH","created_at":"2026-07-05T01:52:29Z"},{"alias_kind":"pith_short_8","alias_value":"FHWOHLM7","created_at":"2026-07-05T01:52:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:FHWOHLM7IHPQMXZHKWHSXLDFHZ","target":"record","payload":{"canonical_record":{"source":{"id":"2010.09758","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-19T18:02:50Z","cross_cats_sorted":[],"title_canon_sha256":"b079724ddd6112e9c84814f57bcdb0e7508b366c9b49915716191dca0cc20520","abstract_canon_sha256":"330a62bfbe6412c26552d85a35fddeaef4a9ec6af3daee3adf592e08c6d77c8d"},"schema_version":"1.0"},"canonical_sha256":"29ece3ad9f41df065f27558f2bac653e792d57e452d9d8ebacc396d09271481a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:52:29.432099Z","signature_b64":"17yZEl8fXO4mXtly7Y/gMd8BySWuV6SxAgKvBKG/S+ef96SgGANTg1FaH+MMsmhCaVLAilJhSw9FSyzPogbLAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"29ece3ad9f41df065f27558f2bac653e792d57e452d9d8ebacc396d09271481a","last_reissued_at":"2026-07-05T01:52:29.431705Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:52:29.431705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2010.09758","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":"2026-07-05T01:52:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T70/eKaYK2xIzNlDv5OtGYxXitWhAK5dRiii8BJ4++y4ObTxwq42Sw/ca6WPxzyBgttW8cyJAX0tsMeHD3gWAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T18:15:24.486454Z"},"content_sha256":"53a91a59308be0ef2ee6c01b53e4d82dba6bb20a225c14bcdd01dcd3b5020b27","schema_version":"1.0","event_id":"sha256:53a91a59308be0ef2ee6c01b53e4d82dba6bb20a225c14bcdd01dcd3b5020b27"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:FHWOHLM7IHPQMXZHKWHSXLDFHZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hydrodynamic simulations of an isolated star-forming gas cloud in the Virgo cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Annibale D'Ercole (INAF-Osservatorio di Astrofisica e Scienza dello Spazio di Bologna, Francesco Calura, Italy), Michele Bellazzini","submitted_at":"2020-10-19T18:02:50Z","abstract_excerpt":"We present a suite of three-dimensional, high-resolution hydrodynamic simulations that follow the evolution of a massive (10^7 M_sun) pressure confined, star-forming neutral gas cloud moving through a hot intra-cluster medium (ICM). The main goal of the analysis is to get theoretical insight into the lifetimes and evolution of stellar systems like the recently discovered star-forming cloud SECCO~1 in the Virgo cluster of galaxies, but it may be of general interest for the study of the star-forming gas clumps that are observed in the tails of ram pressure stripped galaxies. Building upon a prev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.09758","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/2010.09758/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":"2026-07-05T01:52:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RYQsngTHPAMgWPW/uoD+g6wat84Blbmz4PTKbeVkkXdZbZ9Ry1aKWbb+lmTjmqpatjo0A37UzTy351ioIIWZDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-21T18:15:24.486836Z"},"content_sha256":"af12ffd9cc7366d903a0d6d54c8bad334ef6984b22fe536cbd83c7b6460ca1c2","schema_version":"1.0","event_id":"sha256:af12ffd9cc7366d903a0d6d54c8bad334ef6984b22fe536cbd83c7b6460ca1c2"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/FHWOHLM7IHPQMXZHKWHSXLDFHZ/bundle.json","state_url":"https://pith.science/pith/FHWOHLM7IHPQMXZHKWHSXLDFHZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/FHWOHLM7IHPQMXZHKWHSXLDFHZ/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":"2026-08-21T18:15:24Z","links":{"resolver":"https://pith.science/pith/FHWOHLM7IHPQMXZHKWHSXLDFHZ","bundle":"https://pith.science/pith/FHWOHLM7IHPQMXZHKWHSXLDFHZ/bundle.json","state":"https://pith.science/pith/FHWOHLM7IHPQMXZHKWHSXLDFHZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/FHWOHLM7IHPQMXZHKWHSXLDFHZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:FHWOHLM7IHPQMXZHKWHSXLDFHZ","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":"330a62bfbe6412c26552d85a35fddeaef4a9ec6af3daee3adf592e08c6d77c8d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-19T18:02:50Z","title_canon_sha256":"b079724ddd6112e9c84814f57bcdb0e7508b366c9b49915716191dca0cc20520"},"schema_version":"1.0","source":{"id":"2010.09758","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2010.09758","created_at":"2026-07-05T01:52:29Z"},{"alias_kind":"arxiv_version","alias_value":"2010.09758v1","created_at":"2026-07-05T01:52:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2010.09758","created_at":"2026-07-05T01:52:29Z"},{"alias_kind":"pith_short_12","alias_value":"FHWOHLM7IHPQ","created_at":"2026-07-05T01:52:29Z"},{"alias_kind":"pith_short_16","alias_value":"FHWOHLM7IHPQMXZH","created_at":"2026-07-05T01:52:29Z"},{"alias_kind":"pith_short_8","alias_value":"FHWOHLM7","created_at":"2026-07-05T01:52:29Z"}],"graph_snapshots":[{"event_id":"sha256:af12ffd9cc7366d903a0d6d54c8bad334ef6984b22fe536cbd83c7b6460ca1c2","target":"graph","created_at":"2026-07-05T01:52:29Z","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/2010.09758/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a suite of three-dimensional, high-resolution hydrodynamic simulations that follow the evolution of a massive (10^7 M_sun) pressure confined, star-forming neutral gas cloud moving through a hot intra-cluster medium (ICM). The main goal of the analysis is to get theoretical insight into the lifetimes and evolution of stellar systems like the recently discovered star-forming cloud SECCO~1 in the Virgo cluster of galaxies, but it may be of general interest for the study of the star-forming gas clumps that are observed in the tails of ram pressure stripped galaxies. Building upon a prev","authors_text":"Annibale D'Ercole (INAF-Osservatorio di Astrofisica e Scienza dello Spazio di Bologna, Francesco Calura, Italy), Michele Bellazzini","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-19T18:02:50Z","title":"Hydrodynamic simulations of an isolated star-forming gas cloud in the Virgo cluster"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2010.09758","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":"sha256:53a91a59308be0ef2ee6c01b53e4d82dba6bb20a225c14bcdd01dcd3b5020b27","target":"record","created_at":"2026-07-05T01:52:29Z","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":"330a62bfbe6412c26552d85a35fddeaef4a9ec6af3daee3adf592e08c6d77c8d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-10-19T18:02:50Z","title_canon_sha256":"b079724ddd6112e9c84814f57bcdb0e7508b366c9b49915716191dca0cc20520"},"schema_version":"1.0","source":{"id":"2010.09758","kind":"arxiv","version":1}},"canonical_sha256":"29ece3ad9f41df065f27558f2bac653e792d57e452d9d8ebacc396d09271481a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"29ece3ad9f41df065f27558f2bac653e792d57e452d9d8ebacc396d09271481a","first_computed_at":"2026-07-05T01:52:29.431705Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:52:29.431705Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"17yZEl8fXO4mXtly7Y/gMd8BySWuV6SxAgKvBKG/S+ef96SgGANTg1FaH+MMsmhCaVLAilJhSw9FSyzPogbLAA==","signature_status":"signed_v1","signed_at":"2026-07-05T01:52:29.432099Z","signed_message":"canonical_sha256_bytes"},"source_id":"2010.09758","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:53a91a59308be0ef2ee6c01b53e4d82dba6bb20a225c14bcdd01dcd3b5020b27","sha256:af12ffd9cc7366d903a0d6d54c8bad334ef6984b22fe536cbd83c7b6460ca1c2"],"state_sha256":"ed799b38be5f2036f9e8418460ef98aa8ef62930f1a2162544407674f0f1a439"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iGhT8LCiZzE1A5nJSPFxamMVeQiJY/tp32hOFGS2QC/OjGJxFzn+TsWwPir26hktCIckbdPkegsSkU68ib9pDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-21T18:15:24.490042Z","bundle_sha256":"42e70d9c37938030e0929bb7838a76ac11a002333f2b3ae3ad01f7003628f491"}}