{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:EONFGU4NJLSFAVSOYYFC544RYT","short_pith_number":"pith:EONFGU4N","canonical_record":{"source":{"id":"astro-ph/0502145","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-07T17:14:59Z","cross_cats_sorted":[],"title_canon_sha256":"baff31c57bb0a3f25d8111194267a7f4604f874b4f63ffe26c39fd89d2cdb830","abstract_canon_sha256":"de7158ecac4518a540ace254aa3250aa27e57cf7f35973afa7353ead57a473df"},"schema_version":"1.0"},"canonical_sha256":"239a53538d4ae450564ec60a2ef391c4d8ca0735fd39cb7a70a1bf930b5cb091","source":{"kind":"arxiv","id":"astro-ph/0502145","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0502145","created_at":"2026-05-18T02:40:25Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0502145v1","created_at":"2026-05-18T02:40:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0502145","created_at":"2026-05-18T02:40:25Z"},{"alias_kind":"pith_short_12","alias_value":"EONFGU4NJLSF","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"EONFGU4NJLSFAVSO","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"EONFGU4N","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:EONFGU4NJLSFAVSOYYFC544RYT","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0502145","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-07T17:14:59Z","cross_cats_sorted":[],"title_canon_sha256":"baff31c57bb0a3f25d8111194267a7f4604f874b4f63ffe26c39fd89d2cdb830","abstract_canon_sha256":"de7158ecac4518a540ace254aa3250aa27e57cf7f35973afa7353ead57a473df"},"schema_version":"1.0"},"canonical_sha256":"239a53538d4ae450564ec60a2ef391c4d8ca0735fd39cb7a70a1bf930b5cb091","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:40:25.841561Z","signature_b64":"irJHyT0XCFBTgE4EefO6PtHg7oKLp6e02L0UvMcUNZ8JGcBuoJJextpnVXsktyu3UW7/ZNEKlQNAwQ+oU8qZBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"239a53538d4ae450564ec60a2ef391c4d8ca0735fd39cb7a70a1bf930b5cb091","last_reissued_at":"2026-05-18T02:40:25.841035Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:40:25.841035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0502145","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":"2026-05-18T02:40:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YSuTCH6qfyoEQMPimgrirg8E4FqWvVHeR0CRYmr/X3QeAEJCM8beQJUruLsblmuWPbVWL1mq5VGYIsNazFlKCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:41:31.231524Z"},"content_sha256":"f48110c34fc5353157c806a03616c8575189699b4e25e4b9b34ce11cf46d0296","schema_version":"1.0","event_id":"sha256:f48110c34fc5353157c806a03616c8575189699b4e25e4b9b34ce11cf46d0296"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:EONFGU4NJLSFAVSOYYFC544RYT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feedback from quasars in star-forming galaxies and the triggering of massive galactic winds","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"F. Fontanot (DAUT, P. Monaco, Trieste)","submitted_at":"2005-02-07T17:14:59Z","abstract_excerpt":"The shining of quasars is a likely trigger of massive galatic winds, able to remove most ISM from a star-forming spheroid. However, the mechanism responsible for the deposition of energy into the ISM is still unclear. Starting from a model for feedback in galaxy formation with a two-phase medium (Monaco 2004a), we propose that the perturbation induced by radiative heating from a quasar on the ISM triggers a critical change of feedback regime. In the feedback model, SNRs expanding in the hot and pressurized phase of a star-forming spheroid tipically become pressure-confined before the hot inter"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0502145","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":"2026-05-18T02:40:25Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n+nbwRqKyqwGeZdyti4/ozSTEtq+mFbJcKDLOEmDTii9w7ksw1Rmn642yJ9u0Kx2UhkKK4JZR1LgU2o8B4qvBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T09:41:31.232059Z"},"content_sha256":"ea2a84690f9fc85aa9440e15a8779bf9d0b53120583b92064b3475998d929aac","schema_version":"1.0","event_id":"sha256:ea2a84690f9fc85aa9440e15a8779bf9d0b53120583b92064b3475998d929aac"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/EONFGU4NJLSFAVSOYYFC544RYT/bundle.json","state_url":"https://pith.science/pith/EONFGU4NJLSFAVSOYYFC544RYT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/EONFGU4NJLSFAVSOYYFC544RYT/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":"2026-05-26T09:41:31Z","links":{"resolver":"https://pith.science/pith/EONFGU4NJLSFAVSOYYFC544RYT","bundle":"https://pith.science/pith/EONFGU4NJLSFAVSOYYFC544RYT/bundle.json","state":"https://pith.science/pith/EONFGU4NJLSFAVSOYYFC544RYT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/EONFGU4NJLSFAVSOYYFC544RYT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:EONFGU4NJLSFAVSOYYFC544RYT","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":"de7158ecac4518a540ace254aa3250aa27e57cf7f35973afa7353ead57a473df","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-07T17:14:59Z","title_canon_sha256":"baff31c57bb0a3f25d8111194267a7f4604f874b4f63ffe26c39fd89d2cdb830"},"schema_version":"1.0","source":{"id":"astro-ph/0502145","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0502145","created_at":"2026-05-18T02:40:25Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0502145v1","created_at":"2026-05-18T02:40:25Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0502145","created_at":"2026-05-18T02:40:25Z"},{"alias_kind":"pith_short_12","alias_value":"EONFGU4NJLSF","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"EONFGU4NJLSFAVSO","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"EONFGU4N","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:ea2a84690f9fc85aa9440e15a8779bf9d0b53120583b92064b3475998d929aac","target":"graph","created_at":"2026-05-18T02:40:25Z","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 shining of quasars is a likely trigger of massive galatic winds, able to remove most ISM from a star-forming spheroid. However, the mechanism responsible for the deposition of energy into the ISM is still unclear. Starting from a model for feedback in galaxy formation with a two-phase medium (Monaco 2004a), we propose that the perturbation induced by radiative heating from a quasar on the ISM triggers a critical change of feedback regime. In the feedback model, SNRs expanding in the hot and pressurized phase of a star-forming spheroid tipically become pressure-confined before the hot inter","authors_text":"F. Fontanot (DAUT, P. Monaco, Trieste)","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-02-07T17:14:59Z","title":"Feedback from quasars in star-forming galaxies and the triggering of massive galactic winds"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0502145","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:f48110c34fc5353157c806a03616c8575189699b4e25e4b9b34ce11cf46d0296","target":"record","created_at":"2026-05-18T02:40:25Z","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":"de7158ecac4518a540ace254aa3250aa27e57cf7f35973afa7353ead57a473df","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-02-07T17:14:59Z","title_canon_sha256":"baff31c57bb0a3f25d8111194267a7f4604f874b4f63ffe26c39fd89d2cdb830"},"schema_version":"1.0","source":{"id":"astro-ph/0502145","kind":"arxiv","version":1}},"canonical_sha256":"239a53538d4ae450564ec60a2ef391c4d8ca0735fd39cb7a70a1bf930b5cb091","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"239a53538d4ae450564ec60a2ef391c4d8ca0735fd39cb7a70a1bf930b5cb091","first_computed_at":"2026-05-18T02:40:25.841035Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:40:25.841035Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"irJHyT0XCFBTgE4EefO6PtHg7oKLp6e02L0UvMcUNZ8JGcBuoJJextpnVXsktyu3UW7/ZNEKlQNAwQ+oU8qZBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:40:25.841561Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0502145","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f48110c34fc5353157c806a03616c8575189699b4e25e4b9b34ce11cf46d0296","sha256:ea2a84690f9fc85aa9440e15a8779bf9d0b53120583b92064b3475998d929aac"],"state_sha256":"420276a195291a1e77b828c1501dd94afc91a027557799d4e16afe629c9f9076"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uNGnxZRKm45p5DBNrSimV3+D9yNzu8l2qq7dQbSVoTIFT8+zZRc6hAcC1MjCE01OJh5XRnMBUU+CqKVkZre8Dw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T09:41:31.234993Z","bundle_sha256":"1c38e9a3249ebbf7f4130f102682299d8fccf27345766e7aeada3cb2927a4e93"}}