{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:LVPWVJ3NAHHKT6ZIKZJWXLO5IT","short_pith_number":"pith:LVPWVJ3N","canonical_record":{"source":{"id":"1005.3056","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-17T21:38:22Z","cross_cats_sorted":[],"title_canon_sha256":"53326993035b27b6af229167e9cd39fe8fae53069ba21f38de08cb6fc5b192cd","abstract_canon_sha256":"d6254f21e3f9c305acee53317920d521288ec3d85eff85e28d35387e6b16df90"},"schema_version":"1.0"},"canonical_sha256":"5d5f6aa76d01cea9fb2856536baddd44f3d3620d7baca5dd4e3ecee9278fa2c8","source":{"kind":"arxiv","id":"1005.3056","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.3056","created_at":"2026-05-18T02:07:17Z"},{"alias_kind":"arxiv_version","alias_value":"1005.3056v1","created_at":"2026-05-18T02:07:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3056","created_at":"2026-05-18T02:07:17Z"},{"alias_kind":"pith_short_12","alias_value":"LVPWVJ3NAHHK","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LVPWVJ3NAHHKT6ZI","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LVPWVJ3N","created_at":"2026-05-18T12:26:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:LVPWVJ3NAHHKT6ZIKZJWXLO5IT","target":"record","payload":{"canonical_record":{"source":{"id":"1005.3056","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-17T21:38:22Z","cross_cats_sorted":[],"title_canon_sha256":"53326993035b27b6af229167e9cd39fe8fae53069ba21f38de08cb6fc5b192cd","abstract_canon_sha256":"d6254f21e3f9c305acee53317920d521288ec3d85eff85e28d35387e6b16df90"},"schema_version":"1.0"},"canonical_sha256":"5d5f6aa76d01cea9fb2856536baddd44f3d3620d7baca5dd4e3ecee9278fa2c8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:07:17.938643Z","signature_b64":"+b0onrEaNDsQGTpNbRVqX+b+r9BT25k//sRow/cI+lDOfjSR72w6lhDdLeU225qOeBWw4dRC8sszriDFV8eiDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5d5f6aa76d01cea9fb2856536baddd44f3d3620d7baca5dd4e3ecee9278fa2c8","last_reissued_at":"2026-05-18T02:07:17.938042Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:07:17.938042Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1005.3056","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":"2026-05-18T02:07:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"QzzZKAF4v1URJ7wqjVNljW/j1M9sZ06IH8j9vW8CNt0M5iMhUHrTWhFoE+l1md7WT8NnBtXGSZ4ziIxPEPK+Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:58:21.305302Z"},"content_sha256":"62d770bb17dcfc754e9de6cecf83c7f3e4fa764127d374f40b182f8dc463660f","schema_version":"1.0","event_id":"sha256:62d770bb17dcfc754e9de6cecf83c7f3e4fa764127d374f40b182f8dc463660f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:LVPWVJ3NAHHKT6ZIKZJWXLO5IT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Herschel Virgo Cluster Survey: III. A constraint on dust grain lifetime in early-type galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"A. Boselli, A. Bressan, A. Dariush, A. P. Jones, C. Giovanardi, C. Vlahakis, D. A. Garcia-Appadoo, D. Fadda, D. J. Bomans, D. Pierini, E. Corbelli, E. M. Xilouris, G. Gavazzi, G. J. Bendo, I. De Looze, J. Fritz, J. I. Davies, J. Verstappen, L. Cortese, L. K. Hunt, M. Baes, M. Grossi, M. Pohlen, M. S. Clemens, M. W. L. Smith, S. Bianchi, S. di Serego Alighieri, S. Madden, S. Sabatini, S. Zibetti, T. M. Hughes","submitted_at":"2010-05-17T21:38:22Z","abstract_excerpt":"Passive early-type galaxies (ETGs) provide an ideal laboratory for studying the interplay between dust formation around evolved stars and its subsequent destruction in a hot gas. Using Spitzer-IRS and Herschel data we compare the dust production rate in the envelopes of evolved AGB stars with a constraint on the total dust mass. Early-type galaxies which appear to be truly passively evolving are not detected by Herschel. We thus derive a distance independent upper limit to the dust grain survival time in the hostile environment of ETGs of < 46 +/- 25 Myr for amorphous silicate grains. This imp"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3056","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":"2026-05-18T02:07:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"T1UfpDOAnv3/q120TuRbuVSqCQt10sNXWU0ngIfCI0zTy9WexsjtGrI1YacUbLOe64x0hMmbmmgwpxATU0HYCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T16:58:21.306116Z"},"content_sha256":"d036cdb97dc7f6988a759d92229c3145f7b6f93e9200faadf896fd35efd6faf0","schema_version":"1.0","event_id":"sha256:d036cdb97dc7f6988a759d92229c3145f7b6f93e9200faadf896fd35efd6faf0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LVPWVJ3NAHHKT6ZIKZJWXLO5IT/bundle.json","state_url":"https://pith.science/pith/LVPWVJ3NAHHKT6ZIKZJWXLO5IT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LVPWVJ3NAHHKT6ZIKZJWXLO5IT/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":"2026-05-30T16:58:21Z","links":{"resolver":"https://pith.science/pith/LVPWVJ3NAHHKT6ZIKZJWXLO5IT","bundle":"https://pith.science/pith/LVPWVJ3NAHHKT6ZIKZJWXLO5IT/bundle.json","state":"https://pith.science/pith/LVPWVJ3NAHHKT6ZIKZJWXLO5IT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LVPWVJ3NAHHKT6ZIKZJWXLO5IT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:LVPWVJ3NAHHKT6ZIKZJWXLO5IT","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":"d6254f21e3f9c305acee53317920d521288ec3d85eff85e28d35387e6b16df90","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-17T21:38:22Z","title_canon_sha256":"53326993035b27b6af229167e9cd39fe8fae53069ba21f38de08cb6fc5b192cd"},"schema_version":"1.0","source":{"id":"1005.3056","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1005.3056","created_at":"2026-05-18T02:07:17Z"},{"alias_kind":"arxiv_version","alias_value":"1005.3056v1","created_at":"2026-05-18T02:07:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1005.3056","created_at":"2026-05-18T02:07:17Z"},{"alias_kind":"pith_short_12","alias_value":"LVPWVJ3NAHHK","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_16","alias_value":"LVPWVJ3NAHHKT6ZI","created_at":"2026-05-18T12:26:10Z"},{"alias_kind":"pith_short_8","alias_value":"LVPWVJ3N","created_at":"2026-05-18T12:26:10Z"}],"graph_snapshots":[{"event_id":"sha256:d036cdb97dc7f6988a759d92229c3145f7b6f93e9200faadf896fd35efd6faf0","target":"graph","created_at":"2026-05-18T02:07:17Z","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":"Passive early-type galaxies (ETGs) provide an ideal laboratory for studying the interplay between dust formation around evolved stars and its subsequent destruction in a hot gas. Using Spitzer-IRS and Herschel data we compare the dust production rate in the envelopes of evolved AGB stars with a constraint on the total dust mass. Early-type galaxies which appear to be truly passively evolving are not detected by Herschel. We thus derive a distance independent upper limit to the dust grain survival time in the hostile environment of ETGs of < 46 +/- 25 Myr for amorphous silicate grains. This imp","authors_text":"A. Boselli, A. Bressan, A. Dariush, A. P. Jones, C. Giovanardi, C. Vlahakis, D. A. Garcia-Appadoo, D. Fadda, D. J. Bomans, D. Pierini, E. Corbelli, E. M. Xilouris, G. Gavazzi, G. J. Bendo, I. De Looze, J. Fritz, J. I. Davies, J. Verstappen, L. Cortese, L. K. Hunt, M. Baes, M. Grossi, M. Pohlen, M. S. Clemens, M. W. L. Smith, S. Bianchi, S. di Serego Alighieri, S. Madden, S. Sabatini, S. Zibetti, T. M. Hughes","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-17T21:38:22Z","title":"The Herschel Virgo Cluster Survey: III. A constraint on dust grain lifetime in early-type galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1005.3056","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":"sha256:62d770bb17dcfc754e9de6cecf83c7f3e4fa764127d374f40b182f8dc463660f","target":"record","created_at":"2026-05-18T02:07:17Z","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":"d6254f21e3f9c305acee53317920d521288ec3d85eff85e28d35387e6b16df90","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2010-05-17T21:38:22Z","title_canon_sha256":"53326993035b27b6af229167e9cd39fe8fae53069ba21f38de08cb6fc5b192cd"},"schema_version":"1.0","source":{"id":"1005.3056","kind":"arxiv","version":1}},"canonical_sha256":"5d5f6aa76d01cea9fb2856536baddd44f3d3620d7baca5dd4e3ecee9278fa2c8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5d5f6aa76d01cea9fb2856536baddd44f3d3620d7baca5dd4e3ecee9278fa2c8","first_computed_at":"2026-05-18T02:07:17.938042Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:07:17.938042Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+b0onrEaNDsQGTpNbRVqX+b+r9BT25k//sRow/cI+lDOfjSR72w6lhDdLeU225qOeBWw4dRC8sszriDFV8eiDw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:07:17.938643Z","signed_message":"canonical_sha256_bytes"},"source_id":"1005.3056","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:62d770bb17dcfc754e9de6cecf83c7f3e4fa764127d374f40b182f8dc463660f","sha256:d036cdb97dc7f6988a759d92229c3145f7b6f93e9200faadf896fd35efd6faf0"],"state_sha256":"f7ecd921ce18273ab7922e27bfd59349bf8b133725ac540c440c75396bb2f3d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"JGfqCpt8To+MWps+2uh/yCbGdOpg1VfiygYOrKDsvjOGbOYd8keX6GPWtKL+Uf6ZKj5OoVoaTJiy86cpkUHGAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T16:58:21.310811Z","bundle_sha256":"de54b8f002cf99420b972d9700652a765d9b608698eb312356effc2f14a5319d"}}