{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:GSMB6IAJOKYCIAOGWSBDUVSZSP","short_pith_number":"pith:GSMB6IAJ","canonical_record":{"source":{"id":"1202.6054","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-27T21:00:00Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"0c72a2f17be0cd4349978701b1e504f6942c2a52eb49ea9b597fc8371d740dc8","abstract_canon_sha256":"4c285a36b267d5606bd761b9cbdcf75e8cf6dac7be807d9c69d8e1c349ce35fe"},"schema_version":"1.0"},"canonical_sha256":"34981f200972b02401c6b4823a565993d91eb50c5fa24f5e2a5d873b8ea45502","source":{"kind":"arxiv","id":"1202.6054","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.6054","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"arxiv_version","alias_value":"1202.6054v2","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.6054","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"pith_short_12","alias_value":"GSMB6IAJOKYC","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GSMB6IAJOKYCIAOG","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GSMB6IAJ","created_at":"2026-05-18T12:27:06Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:GSMB6IAJOKYCIAOGWSBDUVSZSP","target":"record","payload":{"canonical_record":{"source":{"id":"1202.6054","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-27T21:00:00Z","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"title_canon_sha256":"0c72a2f17be0cd4349978701b1e504f6942c2a52eb49ea9b597fc8371d740dc8","abstract_canon_sha256":"4c285a36b267d5606bd761b9cbdcf75e8cf6dac7be807d9c69d8e1c349ce35fe"},"schema_version":"1.0"},"canonical_sha256":"34981f200972b02401c6b4823a565993d91eb50c5fa24f5e2a5d873b8ea45502","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:19.058499Z","signature_b64":"VfdcA3HX6pxlLVZnz9w1V/xF15N5PzHn7oEHSOEww40E8DcO+Ga+kR56pUkWU42ksan4ZVWFfCXSKshji5FeBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"34981f200972b02401c6b4823a565993d91eb50c5fa24f5e2a5d873b8ea45502","last_reissued_at":"2026-05-18T01:58:19.058005Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:19.058005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1202.6054","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:58:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i5W1SmTIRCy4BOtgwrqqACNYa0KlWZ9xOvxqrsnVcFfSlRHwLWhRh2/lZgBzmFl8jUqIBq5maGQt/f0U6cLZCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:55:06.026287Z"},"content_sha256":"3a5f4b0f3e17ba75e84a45e99112605dee5a351c291fb39bb985814ff855f122","schema_version":"1.0","event_id":"sha256:3a5f4b0f3e17ba75e84a45e99112605dee5a351c291fb39bb985814ff855f122"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:GSMB6IAJOKYCIAOGWSBDUVSZSP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Mechanical AGN Feedback: Controlling the Thermodynamical Evolution of Elliptical Galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","astro-ph.HE"],"primary_cat":"astro-ph.CO","authors_text":"F. Brighenti, M. Gaspari, P. Temi","submitted_at":"2012-02-27T21:00:00Z","abstract_excerpt":"A fundamental gap in the current understanding of galaxies concerns the thermodynamical evolution of the ordinary, baryonic matter. On one hand, radiative emission drastically decreases the thermal energy content of the interstellar plasma (ISM), inducing a slow cooling flow toward the centre. On the other hand, the active galactic nucleus (AGN) struggles to prevent the runaway cooling catastrophe, injecting huge amount of energy in the ISM. The present study intends to deeply investigate the role of mechanical AGN feedback in (isolated or massive) elliptical galaxies, extending and completing"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.6054","kind":"arxiv","version":2},"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":"2026-05-18T01:58:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nKvcSG5AUAVjs5rDimNyvdMUePIAX2J7OSHx8URXKquAiB2dkwjFqGk3RYDgm3+PO/aFzxZq4FQSULDWqmS/Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T11:55:06.026651Z"},"content_sha256":"93992cd05e535c3cd893901900ff741afcf0cfc3ce4368b3530c26d1e00bedfb","schema_version":"1.0","event_id":"sha256:93992cd05e535c3cd893901900ff741afcf0cfc3ce4368b3530c26d1e00bedfb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GSMB6IAJOKYCIAOGWSBDUVSZSP/bundle.json","state_url":"https://pith.science/pith/GSMB6IAJOKYCIAOGWSBDUVSZSP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GSMB6IAJOKYCIAOGWSBDUVSZSP/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":"2026-07-07T11:55:06Z","links":{"resolver":"https://pith.science/pith/GSMB6IAJOKYCIAOGWSBDUVSZSP","bundle":"https://pith.science/pith/GSMB6IAJOKYCIAOGWSBDUVSZSP/bundle.json","state":"https://pith.science/pith/GSMB6IAJOKYCIAOGWSBDUVSZSP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GSMB6IAJOKYCIAOGWSBDUVSZSP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:GSMB6IAJOKYCIAOGWSBDUVSZSP","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":"4c285a36b267d5606bd761b9cbdcf75e8cf6dac7be807d9c69d8e1c349ce35fe","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-27T21:00:00Z","title_canon_sha256":"0c72a2f17be0cd4349978701b1e504f6942c2a52eb49ea9b597fc8371d740dc8"},"schema_version":"1.0","source":{"id":"1202.6054","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1202.6054","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"arxiv_version","alias_value":"1202.6054v2","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1202.6054","created_at":"2026-05-18T01:58:19Z"},{"alias_kind":"pith_short_12","alias_value":"GSMB6IAJOKYC","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_16","alias_value":"GSMB6IAJOKYCIAOG","created_at":"2026-05-18T12:27:06Z"},{"alias_kind":"pith_short_8","alias_value":"GSMB6IAJ","created_at":"2026-05-18T12:27:06Z"}],"graph_snapshots":[{"event_id":"sha256:93992cd05e535c3cd893901900ff741afcf0cfc3ce4368b3530c26d1e00bedfb","target":"graph","created_at":"2026-05-18T01:58:19Z","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":"A fundamental gap in the current understanding of galaxies concerns the thermodynamical evolution of the ordinary, baryonic matter. On one hand, radiative emission drastically decreases the thermal energy content of the interstellar plasma (ISM), inducing a slow cooling flow toward the centre. On the other hand, the active galactic nucleus (AGN) struggles to prevent the runaway cooling catastrophe, injecting huge amount of energy in the ISM. The present study intends to deeply investigate the role of mechanical AGN feedback in (isolated or massive) elliptical galaxies, extending and completing","authors_text":"F. Brighenti, M. Gaspari, P. Temi","cross_cats":["astro-ph.GA","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-27T21:00:00Z","title":"Mechanical AGN Feedback: Controlling the Thermodynamical Evolution of Elliptical Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1202.6054","kind":"arxiv","version":2},"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":"sha256:3a5f4b0f3e17ba75e84a45e99112605dee5a351c291fb39bb985814ff855f122","target":"record","created_at":"2026-05-18T01:58:19Z","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":"4c285a36b267d5606bd761b9cbdcf75e8cf6dac7be807d9c69d8e1c349ce35fe","cross_cats_sorted":["astro-ph.GA","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-02-27T21:00:00Z","title_canon_sha256":"0c72a2f17be0cd4349978701b1e504f6942c2a52eb49ea9b597fc8371d740dc8"},"schema_version":"1.0","source":{"id":"1202.6054","kind":"arxiv","version":2}},"canonical_sha256":"34981f200972b02401c6b4823a565993d91eb50c5fa24f5e2a5d873b8ea45502","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"34981f200972b02401c6b4823a565993d91eb50c5fa24f5e2a5d873b8ea45502","first_computed_at":"2026-05-18T01:58:19.058005Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:19.058005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"VfdcA3HX6pxlLVZnz9w1V/xF15N5PzHn7oEHSOEww40E8DcO+Ga+kR56pUkWU42ksan4ZVWFfCXSKshji5FeBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:19.058499Z","signed_message":"canonical_sha256_bytes"},"source_id":"1202.6054","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3a5f4b0f3e17ba75e84a45e99112605dee5a351c291fb39bb985814ff855f122","sha256:93992cd05e535c3cd893901900ff741afcf0cfc3ce4368b3530c26d1e00bedfb"],"state_sha256":"53ce150107314b285076a2bfe3f4c820f78d9d62f3cc76ff8dfbf9ecdb861384"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Ct0sMkfi8YbGjb3Rcb2nrxn7Fx9jCO1Oc0mNXcHSAwUQztgR4NJK1dJ/pienhnB/RZi+TGI9IOl/6S+zT7qgCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T11:55:06.028553Z","bundle_sha256":"cf242ac54ae3a0e07cac812098bb73fb3e0555feef3a5bfea7634eb3aef58ec0"}}