{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:JRXALWCIRLD2VRPM5CRNUWAZDJ","short_pith_number":"pith:JRXALWCI","canonical_record":{"source":{"id":"0712.0783","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-05T17:15:06Z","cross_cats_sorted":[],"title_canon_sha256":"669431d04e4bb0993bec5c67f6d899e31db0d67caaff34d95352329596ec5181","abstract_canon_sha256":"788510e5511124f763002f657d5237dce8ea6f004c8f784e5bdec2d680659fc0"},"schema_version":"1.0"},"canonical_sha256":"4c6e05d8488ac7aac5ece8a2da58191a63e1de40b9491ce9c1a5b5be8e965532","source":{"kind":"arxiv","id":"0712.0783","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0712.0783","created_at":"2026-05-18T02:38:30Z"},{"alias_kind":"arxiv_version","alias_value":"0712.0783v1","created_at":"2026-05-18T02:38:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.0783","created_at":"2026-05-18T02:38:30Z"},{"alias_kind":"pith_short_12","alias_value":"JRXALWCIRLD2","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"JRXALWCIRLD2VRPM","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"JRXALWCI","created_at":"2026-05-18T12:25:55Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:JRXALWCIRLD2VRPM5CRNUWAZDJ","target":"record","payload":{"canonical_record":{"source":{"id":"0712.0783","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-05T17:15:06Z","cross_cats_sorted":[],"title_canon_sha256":"669431d04e4bb0993bec5c67f6d899e31db0d67caaff34d95352329596ec5181","abstract_canon_sha256":"788510e5511124f763002f657d5237dce8ea6f004c8f784e5bdec2d680659fc0"},"schema_version":"1.0"},"canonical_sha256":"4c6e05d8488ac7aac5ece8a2da58191a63e1de40b9491ce9c1a5b5be8e965532","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:38:30.170974Z","signature_b64":"TLfZ+ld0pRCGJtbrdFT8WdXOas9Eujff011LrLdtRyoxmGqIRbC1r+c29VMiPtLKaxNHSbUMnet11Mzhf8KqCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4c6e05d8488ac7aac5ece8a2da58191a63e1de40b9491ce9c1a5b5be8e965532","last_reissued_at":"2026-05-18T02:38:30.170472Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:38:30.170472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0712.0783","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":"2026-05-18T02:38:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"n0cM3r6+qqOLrb73dEKOw/7nHmdnKy1HIxLo/f+6s9Q9FsT4WKjsdCHlQpLdOyh410xDm28z8ksGtdet7f17Dw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:44:24.737023Z"},"content_sha256":"d6a880132213df24abde2674545d3214874d86d7ad1c3708d0e9c7b0c1f63adc","schema_version":"1.0","event_id":"sha256:d6a880132213df24abde2674545d3214874d86d7ad1c3708d0e9c7b0c1f63adc"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:JRXALWCIRLD2VRPM5CRNUWAZDJ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Trouble for AGN Feedback ? The puzzle of the core of the Galaxy Cluster AWM 4","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"2), (2) Universita' di Bologna, 3), (3) UC Santa Cruz), David A. Buote (1), Fabio Gastaldello (1, Fabrizio Brighenti (2, William G. Mathews (3) ((1) UC Irvine","submitted_at":"2007-12-05T17:15:06Z","abstract_excerpt":"The core of the relaxed cluster AWM 4 is characterized by a unique combination of properties which defy a popular scenario for ANG heating of cluster cores. A flat inner temperature profile is indicative of a past, major heating episode which completely erased the cool core, as testified by the high central cooling time (~ 3 Gyr) and by the high central entropy level (~ 60 keV cm^2). Yet the presence of a 1.4 GHz active central radio galaxy with extended radio lobes out to 100 kpc, reveals recent feeding of the central massive black hole. A system like AWM 4 should have no radio emission at al"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.0783","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":"2026-05-18T02:38:30Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ao04S+5i1rmcgxTQ+Bg8c/yZciZe9LX92Txm2s5DEY4lihd+CmGQIy7a2sEwnd6hZ+jRNUyjIpXzG1RESD4dBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:44:24.737378Z"},"content_sha256":"4ef8ff16e408b1485eb038fa4c8d5ffa4e3a76e632cc6684e465145d3cf40012","schema_version":"1.0","event_id":"sha256:4ef8ff16e408b1485eb038fa4c8d5ffa4e3a76e632cc6684e465145d3cf40012"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JRXALWCIRLD2VRPM5CRNUWAZDJ/bundle.json","state_url":"https://pith.science/pith/JRXALWCIRLD2VRPM5CRNUWAZDJ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JRXALWCIRLD2VRPM5CRNUWAZDJ/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":"2026-05-28T06:44:24Z","links":{"resolver":"https://pith.science/pith/JRXALWCIRLD2VRPM5CRNUWAZDJ","bundle":"https://pith.science/pith/JRXALWCIRLD2VRPM5CRNUWAZDJ/bundle.json","state":"https://pith.science/pith/JRXALWCIRLD2VRPM5CRNUWAZDJ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JRXALWCIRLD2VRPM5CRNUWAZDJ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:JRXALWCIRLD2VRPM5CRNUWAZDJ","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":"788510e5511124f763002f657d5237dce8ea6f004c8f784e5bdec2d680659fc0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-05T17:15:06Z","title_canon_sha256":"669431d04e4bb0993bec5c67f6d899e31db0d67caaff34d95352329596ec5181"},"schema_version":"1.0","source":{"id":"0712.0783","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0712.0783","created_at":"2026-05-18T02:38:30Z"},{"alias_kind":"arxiv_version","alias_value":"0712.0783v1","created_at":"2026-05-18T02:38:30Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0712.0783","created_at":"2026-05-18T02:38:30Z"},{"alias_kind":"pith_short_12","alias_value":"JRXALWCIRLD2","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_16","alias_value":"JRXALWCIRLD2VRPM","created_at":"2026-05-18T12:25:55Z"},{"alias_kind":"pith_short_8","alias_value":"JRXALWCI","created_at":"2026-05-18T12:25:55Z"}],"graph_snapshots":[{"event_id":"sha256:4ef8ff16e408b1485eb038fa4c8d5ffa4e3a76e632cc6684e465145d3cf40012","target":"graph","created_at":"2026-05-18T02:38:30Z","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 core of the relaxed cluster AWM 4 is characterized by a unique combination of properties which defy a popular scenario for ANG heating of cluster cores. A flat inner temperature profile is indicative of a past, major heating episode which completely erased the cool core, as testified by the high central cooling time (~ 3 Gyr) and by the high central entropy level (~ 60 keV cm^2). Yet the presence of a 1.4 GHz active central radio galaxy with extended radio lobes out to 100 kpc, reveals recent feeding of the central massive black hole. A system like AWM 4 should have no radio emission at al","authors_text":"2), (2) Universita' di Bologna, 3), (3) UC Santa Cruz), David A. Buote (1), Fabio Gastaldello (1, Fabrizio Brighenti (2, William G. Mathews (3) ((1) UC Irvine","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-12-05T17:15:06Z","title":"Trouble for AGN Feedback ? The puzzle of the core of the Galaxy Cluster AWM 4"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0712.0783","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:d6a880132213df24abde2674545d3214874d86d7ad1c3708d0e9c7b0c1f63adc","target":"record","created_at":"2026-05-18T02:38:30Z","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":"788510e5511124f763002f657d5237dce8ea6f004c8f784e5bdec2d680659fc0","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-12-05T17:15:06Z","title_canon_sha256":"669431d04e4bb0993bec5c67f6d899e31db0d67caaff34d95352329596ec5181"},"schema_version":"1.0","source":{"id":"0712.0783","kind":"arxiv","version":1}},"canonical_sha256":"4c6e05d8488ac7aac5ece8a2da58191a63e1de40b9491ce9c1a5b5be8e965532","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4c6e05d8488ac7aac5ece8a2da58191a63e1de40b9491ce9c1a5b5be8e965532","first_computed_at":"2026-05-18T02:38:30.170472Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:38:30.170472Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"TLfZ+ld0pRCGJtbrdFT8WdXOas9Eujff011LrLdtRyoxmGqIRbC1r+c29VMiPtLKaxNHSbUMnet11Mzhf8KqCA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:38:30.170974Z","signed_message":"canonical_sha256_bytes"},"source_id":"0712.0783","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:d6a880132213df24abde2674545d3214874d86d7ad1c3708d0e9c7b0c1f63adc","sha256:4ef8ff16e408b1485eb038fa4c8d5ffa4e3a76e632cc6684e465145d3cf40012"],"state_sha256":"bd0cc4e675a9613c81d965f5be8ddcc234f0c0b74be74c76d781a5c04766185c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4NhhC+evdMOCD2bkFFSuTt+QkOjZQeB4BEgiHElA5RWhI1zK0FldwDNoOaJh4yOHqmnt9H3lm/GUHG75p7taDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:44:24.739257Z","bundle_sha256":"6c28c9c12f8cc06ea8c4525f78360f4298eea981bed0655891aca4442728a9e0"}}