{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:E3BZGR3WXLK4SSX7F3Y5LODNCW","short_pith_number":"pith:E3BZGR3W","canonical_record":{"source":{"id":"0904.1374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-08T15:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"c7169c4d174dc70197d34f1c1bc5e53241a5fbc081cab3087521108cf8d53fd0","abstract_canon_sha256":"95382db0b1913bbb3c741140a1409a3fb7db1deb950d02731838eca0c76fa239"},"schema_version":"1.0"},"canonical_sha256":"26c3934776bad5c94aff2ef1d5b86d158f6369920b2fdae4c8da5f2c95314fcd","source":{"kind":"arxiv","id":"0904.1374","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.1374","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"0904.1374v1","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.1374","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"E3BZGR3WXLK4","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"E3BZGR3WXLK4SSX7","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"E3BZGR3W","created_at":"2026-05-18T12:25:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:E3BZGR3WXLK4SSX7F3Y5LODNCW","target":"record","payload":{"canonical_record":{"source":{"id":"0904.1374","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-08T15:54:35Z","cross_cats_sorted":[],"title_canon_sha256":"c7169c4d174dc70197d34f1c1bc5e53241a5fbc081cab3087521108cf8d53fd0","abstract_canon_sha256":"95382db0b1913bbb3c741140a1409a3fb7db1deb950d02731838eca0c76fa239"},"schema_version":"1.0"},"canonical_sha256":"26c3934776bad5c94aff2ef1d5b86d158f6369920b2fdae4c8da5f2c95314fcd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:42:02.744693Z","signature_b64":"EcRF2dMLpMtnXLSFWHC1kF1aly9DQ0PMTRH5sybnzQb1dihqtmfI4qbAIQocMBYHTEhVf8iAw9bT81hLcNMeAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"26c3934776bad5c94aff2ef1d5b86d158f6369920b2fdae4c8da5f2c95314fcd","last_reissued_at":"2026-05-18T04:42:02.744120Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:42:02.744120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0904.1374","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":"2026-05-18T04:42:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XNApBG1Qa1DLPlVqEZh2UAXUgLtFdk9Salx5/I38a8bsYeWzN5O2PBCxD9QbH7M6coCV7NHAk8cOVy8ThWGSCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:09:08.632303Z"},"content_sha256":"66d8e57dae6e83297cf1ca15f9d9909c6cad0e7548365e494fbd786f3b36ab00","schema_version":"1.0","event_id":"sha256:66d8e57dae6e83297cf1ca15f9d9909c6cad0e7548365e494fbd786f3b36ab00"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:E3BZGR3WXLK4SSX7F3Y5LODNCW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Feedback through multiple outbursts in the cluster 2A 0335+096","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"(2) University of New Mexico, 3) ((1) Institute of Astronomy, (3) NRAO), A.C. Fabian (1), Cambridge, G.B. Taylor (2, J.S. Sanders (1)","submitted_at":"2009-04-08T15:54:35Z","abstract_excerpt":"We examine the core of the X-ray bright galaxy cluster 2A 0335+096 using deep Chandra X-ray imaging and spatially-resolved spectroscopy, and include new radio observations. The set of around eight X-ray bright blobs in the core of the cluster, appearing like eggs in a bird's nest, contains multiphase gas from ~0.5 to 2 keV. The morphology of the coolest X-ray emitting gas at 0.5 keV temperature is similar to the Halpha emitting nebula known in this cluster, which surrounds the central galaxy. XMM-Newton grating spectra confirm the presence of material at these temperatures, showing excellent a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.1374","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":"2026-05-18T04:42:02Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dUlxUFQGQE9Ce+b7cHPsv6cpalpcbU1DUPIPwH8NembK1+pFiQK8T67EBXcpW2nXlEeawg3uSGYcBMbiSIRbAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T23:09:08.633031Z"},"content_sha256":"edadd36e27ee3ee26e3ef5176ec076a0cc0d43993df3389fd90a7b236a868d70","schema_version":"1.0","event_id":"sha256:edadd36e27ee3ee26e3ef5176ec076a0cc0d43993df3389fd90a7b236a868d70"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/E3BZGR3WXLK4SSX7F3Y5LODNCW/bundle.json","state_url":"https://pith.science/pith/E3BZGR3WXLK4SSX7F3Y5LODNCW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/E3BZGR3WXLK4SSX7F3Y5LODNCW/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":"2026-06-07T23:09:08Z","links":{"resolver":"https://pith.science/pith/E3BZGR3WXLK4SSX7F3Y5LODNCW","bundle":"https://pith.science/pith/E3BZGR3WXLK4SSX7F3Y5LODNCW/bundle.json","state":"https://pith.science/pith/E3BZGR3WXLK4SSX7F3Y5LODNCW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/E3BZGR3WXLK4SSX7F3Y5LODNCW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:E3BZGR3WXLK4SSX7F3Y5LODNCW","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":"95382db0b1913bbb3c741140a1409a3fb7db1deb950d02731838eca0c76fa239","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-08T15:54:35Z","title_canon_sha256":"c7169c4d174dc70197d34f1c1bc5e53241a5fbc081cab3087521108cf8d53fd0"},"schema_version":"1.0","source":{"id":"0904.1374","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0904.1374","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"arxiv_version","alias_value":"0904.1374v1","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0904.1374","created_at":"2026-05-18T04:42:02Z"},{"alias_kind":"pith_short_12","alias_value":"E3BZGR3WXLK4","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_16","alias_value":"E3BZGR3WXLK4SSX7","created_at":"2026-05-18T12:25:59Z"},{"alias_kind":"pith_short_8","alias_value":"E3BZGR3W","created_at":"2026-05-18T12:25:59Z"}],"graph_snapshots":[{"event_id":"sha256:edadd36e27ee3ee26e3ef5176ec076a0cc0d43993df3389fd90a7b236a868d70","target":"graph","created_at":"2026-05-18T04:42:02Z","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":"We examine the core of the X-ray bright galaxy cluster 2A 0335+096 using deep Chandra X-ray imaging and spatially-resolved spectroscopy, and include new radio observations. The set of around eight X-ray bright blobs in the core of the cluster, appearing like eggs in a bird's nest, contains multiphase gas from ~0.5 to 2 keV. The morphology of the coolest X-ray emitting gas at 0.5 keV temperature is similar to the Halpha emitting nebula known in this cluster, which surrounds the central galaxy. XMM-Newton grating spectra confirm the presence of material at these temperatures, showing excellent a","authors_text":"(2) University of New Mexico, 3) ((1) Institute of Astronomy, (3) NRAO), A.C. Fabian (1), Cambridge, G.B. Taylor (2, J.S. Sanders (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-08T15:54:35Z","title":"Feedback through multiple outbursts in the cluster 2A 0335+096"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0904.1374","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":"sha256:66d8e57dae6e83297cf1ca15f9d9909c6cad0e7548365e494fbd786f3b36ab00","target":"record","created_at":"2026-05-18T04:42:02Z","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":"95382db0b1913bbb3c741140a1409a3fb7db1deb950d02731838eca0c76fa239","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2009-04-08T15:54:35Z","title_canon_sha256":"c7169c4d174dc70197d34f1c1bc5e53241a5fbc081cab3087521108cf8d53fd0"},"schema_version":"1.0","source":{"id":"0904.1374","kind":"arxiv","version":1}},"canonical_sha256":"26c3934776bad5c94aff2ef1d5b86d158f6369920b2fdae4c8da5f2c95314fcd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"26c3934776bad5c94aff2ef1d5b86d158f6369920b2fdae4c8da5f2c95314fcd","first_computed_at":"2026-05-18T04:42:02.744120Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:42:02.744120Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EcRF2dMLpMtnXLSFWHC1kF1aly9DQ0PMTRH5sybnzQb1dihqtmfI4qbAIQocMBYHTEhVf8iAw9bT81hLcNMeAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:42:02.744693Z","signed_message":"canonical_sha256_bytes"},"source_id":"0904.1374","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:66d8e57dae6e83297cf1ca15f9d9909c6cad0e7548365e494fbd786f3b36ab00","sha256:edadd36e27ee3ee26e3ef5176ec076a0cc0d43993df3389fd90a7b236a868d70"],"state_sha256":"1d3c60423482acb0d88daf6d0261fbf62479b12a524665ce20b12905a45f15c5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eHwcfKnIabI7vvuuzOiXLFgn22vj0wboRHqG9V7fyn+Yt0LW+isv09gXARdfhYtHTuV/AKiG8YXWgMwCWetBCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T23:09:08.636694Z","bundle_sha256":"15fb4fba73c299e6ac3dde709503ca0666f198516a85f9b88f3b752666a40024"}}