{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:JPKJOMOKUUWC6EQQKNI7ZB6T67","short_pith_number":"pith:JPKJOMOK","canonical_record":{"source":{"id":"2607.25934","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-28T16:19:47Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"62c8c94cb22cfa595124829d6059b1b2445e76f85c30aadbe8bbec09c16dccf8","abstract_canon_sha256":"c4d93c14deb73119bcd9af76971a0a983ab9c463879ac5adad9dfffb9d9789ab"},"schema_version":"1.0"},"canonical_sha256":"4bd49731caa52c2f12105351fc87d3f7c7d1d55dd12ec88204341a1382832524","source":{"kind":"arxiv","id":"2607.25934","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.25934","created_at":"2026-07-29T01:26:11Z"},{"alias_kind":"arxiv_version","alias_value":"2607.25934v1","created_at":"2026-07-29T01:26:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.25934","created_at":"2026-07-29T01:26:11Z"},{"alias_kind":"pith_short_12","alias_value":"JPKJOMOKUUWC","created_at":"2026-07-29T01:26:11Z"},{"alias_kind":"pith_short_16","alias_value":"JPKJOMOKUUWC6EQQ","created_at":"2026-07-29T01:26:11Z"},{"alias_kind":"pith_short_8","alias_value":"JPKJOMOK","created_at":"2026-07-29T01:26:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:JPKJOMOKUUWC6EQQKNI7ZB6T67","target":"record","payload":{"canonical_record":{"source":{"id":"2607.25934","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-28T16:19:47Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"62c8c94cb22cfa595124829d6059b1b2445e76f85c30aadbe8bbec09c16dccf8","abstract_canon_sha256":"c4d93c14deb73119bcd9af76971a0a983ab9c463879ac5adad9dfffb9d9789ab"},"schema_version":"1.0"},"canonical_sha256":"4bd49731caa52c2f12105351fc87d3f7c7d1d55dd12ec88204341a1382832524","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-29T01:26:11.935880Z","signature_b64":"GesND01/vi16qB+C08S0Xh57jUyh4rnlCJ/EFzitdSY4yKT4prSVqPl5rjDYZQzaVS9BJ2R6dljwXYiL6lKCAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4bd49731caa52c2f12105351fc87d3f7c7d1d55dd12ec88204341a1382832524","last_reissued_at":"2026-07-29T01:26:11.935030Z","signature_status":"signed_v1","first_computed_at":"2026-07-29T01:26:11.935030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2607.25934","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":"2026-07-29T01:26:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"B96XQAZM/0tIkEa2Kj/NlkCA2j6EGRqGBCXWcGv3P6qjOkfr2pS20KHwUiROTlwNRo+u5fSoPZuLEf40WstOBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T22:58:59.628503Z"},"content_sha256":"b4da00b799a75235d8611689856f653b99dccbbd0c12ea1a55f7301bb2c4c944","schema_version":"1.0","event_id":"sha256:b4da00b799a75235d8611689856f653b99dccbbd0c12ea1a55f7301bb2c4c944"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:JPKJOMOKUUWC6EQQKNI7ZB6T67","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The influence of dust destruction on gas cooling","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"M. P. Yudkevich, S.A. Drozdov","submitted_at":"2026-07-28T16:19:47Z","abstract_excerpt":"The observed dust abundance in the early Universe significantly exceeds the predictions of models assuming its efficient destruction at supernova shock wave fronts. We investigate the effect of dust on gas cooling behind the shock wave front, taking into account both dust cooling and thermal sputtering of dust grains for various interstellar dust models. Isochoric cooling of a gas element is considered for various initial temperatures (from $3\\cdot 10^{5}$ K to $3\\cdot 10^{7}$ K) and metallicities (from $10^{-2}$ Z$_{\\odot}$ to 2 Z$_{\\odot}$). It is shown that at metallicities below 0.1 Z$_{\\o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.25934","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/2607.25934/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":"2026-07-29T01:26:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aKoMro9bg9UcGQdzZUiGVAr25ZJHT3tSioa1EsyeGT9EdniV16sx+AxdGItiO2n43sH9s7egmbTOI82/AgUvCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T22:58:59.629086Z"},"content_sha256":"4aefbcb7e39ccd395044a010de8a0362dfa3eb1b118067a59edbb995acb6bf7f","schema_version":"1.0","event_id":"sha256:4aefbcb7e39ccd395044a010de8a0362dfa3eb1b118067a59edbb995acb6bf7f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JPKJOMOKUUWC6EQQKNI7ZB6T67/bundle.json","state_url":"https://pith.science/pith/JPKJOMOKUUWC6EQQKNI7ZB6T67/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JPKJOMOKUUWC6EQQKNI7ZB6T67/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":"2026-08-15T22:58:59Z","links":{"resolver":"https://pith.science/pith/JPKJOMOKUUWC6EQQKNI7ZB6T67","bundle":"https://pith.science/pith/JPKJOMOKUUWC6EQQKNI7ZB6T67/bundle.json","state":"https://pith.science/pith/JPKJOMOKUUWC6EQQKNI7ZB6T67/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JPKJOMOKUUWC6EQQKNI7ZB6T67/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:JPKJOMOKUUWC6EQQKNI7ZB6T67","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":"c4d93c14deb73119bcd9af76971a0a983ab9c463879ac5adad9dfffb9d9789ab","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-28T16:19:47Z","title_canon_sha256":"62c8c94cb22cfa595124829d6059b1b2445e76f85c30aadbe8bbec09c16dccf8"},"schema_version":"1.0","source":{"id":"2607.25934","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2607.25934","created_at":"2026-07-29T01:26:11Z"},{"alias_kind":"arxiv_version","alias_value":"2607.25934v1","created_at":"2026-07-29T01:26:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2607.25934","created_at":"2026-07-29T01:26:11Z"},{"alias_kind":"pith_short_12","alias_value":"JPKJOMOKUUWC","created_at":"2026-07-29T01:26:11Z"},{"alias_kind":"pith_short_16","alias_value":"JPKJOMOKUUWC6EQQ","created_at":"2026-07-29T01:26:11Z"},{"alias_kind":"pith_short_8","alias_value":"JPKJOMOK","created_at":"2026-07-29T01:26:11Z"}],"graph_snapshots":[{"event_id":"sha256:4aefbcb7e39ccd395044a010de8a0362dfa3eb1b118067a59edbb995acb6bf7f","target":"graph","created_at":"2026-07-29T01:26:11Z","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/2607.25934/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The observed dust abundance in the early Universe significantly exceeds the predictions of models assuming its efficient destruction at supernova shock wave fronts. We investigate the effect of dust on gas cooling behind the shock wave front, taking into account both dust cooling and thermal sputtering of dust grains for various interstellar dust models. Isochoric cooling of a gas element is considered for various initial temperatures (from $3\\cdot 10^{5}$ K to $3\\cdot 10^{7}$ K) and metallicities (from $10^{-2}$ Z$_{\\odot}$ to 2 Z$_{\\odot}$). It is shown that at metallicities below 0.1 Z$_{\\o","authors_text":"M. P. Yudkevich, S.A. Drozdov","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-28T16:19:47Z","title":"The influence of dust destruction on gas cooling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2607.25934","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:b4da00b799a75235d8611689856f653b99dccbbd0c12ea1a55f7301bb2c4c944","target":"record","created_at":"2026-07-29T01:26:11Z","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":"c4d93c14deb73119bcd9af76971a0a983ab9c463879ac5adad9dfffb9d9789ab","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-07-28T16:19:47Z","title_canon_sha256":"62c8c94cb22cfa595124829d6059b1b2445e76f85c30aadbe8bbec09c16dccf8"},"schema_version":"1.0","source":{"id":"2607.25934","kind":"arxiv","version":1}},"canonical_sha256":"4bd49731caa52c2f12105351fc87d3f7c7d1d55dd12ec88204341a1382832524","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4bd49731caa52c2f12105351fc87d3f7c7d1d55dd12ec88204341a1382832524","first_computed_at":"2026-07-29T01:26:11.935030Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-29T01:26:11.935030Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"GesND01/vi16qB+C08S0Xh57jUyh4rnlCJ/EFzitdSY4yKT4prSVqPl5rjDYZQzaVS9BJ2R6dljwXYiL6lKCAw==","signature_status":"signed_v1","signed_at":"2026-07-29T01:26:11.935880Z","signed_message":"canonical_sha256_bytes"},"source_id":"2607.25934","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b4da00b799a75235d8611689856f653b99dccbbd0c12ea1a55f7301bb2c4c944","sha256:4aefbcb7e39ccd395044a010de8a0362dfa3eb1b118067a59edbb995acb6bf7f"],"state_sha256":"94357319e1801854816ff9f305e60978e4043fded9936933a428c7bee8dfa119"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uOGlKjNCJwyGehkfJXvu+qV8dkLkKCg2Q9NOhegWYTmKR/LRG+3Qx1yXF6nbU3V9AMAuARaIfimdOZ0wY1DFBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T22:58:59.635300Z","bundle_sha256":"3fc5fe79b451d306204d2d26bef3fd757168ae6363ea896525624b0234b98b73"}}