{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:VV4DZSEN6YHZJHRHBYS2A77BU4","short_pith_number":"pith:VV4DZSEN","canonical_record":{"source":{"id":"1708.08553","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-28T22:51:15Z","cross_cats_sorted":[],"title_canon_sha256":"da3a4600741857a78cb21d622828419d8d9bc3d200be1f939809c097d5092f37","abstract_canon_sha256":"fd8ffbf0eb6815f49d0b17a64f4fc09757c09d21c823c583ecdcc1723b45e910"},"schema_version":"1.0"},"canonical_sha256":"ad783cc88df60f949e270e25a07fe1a71aa387a954616ccddae4c860c89fdc56","source":{"kind":"arxiv","id":"1708.08553","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.08553","created_at":"2026-05-18T00:33:29Z"},{"alias_kind":"arxiv_version","alias_value":"1708.08553v2","created_at":"2026-05-18T00:33:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.08553","created_at":"2026-05-18T00:33:29Z"},{"alias_kind":"pith_short_12","alias_value":"VV4DZSEN6YHZ","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VV4DZSEN6YHZJHRH","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VV4DZSEN","created_at":"2026-05-18T12:31:49Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:VV4DZSEN6YHZJHRHBYS2A77BU4","target":"record","payload":{"canonical_record":{"source":{"id":"1708.08553","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-28T22:51:15Z","cross_cats_sorted":[],"title_canon_sha256":"da3a4600741857a78cb21d622828419d8d9bc3d200be1f939809c097d5092f37","abstract_canon_sha256":"fd8ffbf0eb6815f49d0b17a64f4fc09757c09d21c823c583ecdcc1723b45e910"},"schema_version":"1.0"},"canonical_sha256":"ad783cc88df60f949e270e25a07fe1a71aa387a954616ccddae4c860c89fdc56","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:33:29.843850Z","signature_b64":"qrQR4ueqLRZ6i+SIrr2DusbfDqMadM5mCNE8PNFhF1Xq1L9XXoxlbIXa2/y3tJBJPsZey1cC6jndx1LVefk4Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ad783cc88df60f949e270e25a07fe1a71aa387a954616ccddae4c860c89fdc56","last_reissued_at":"2026-05-18T00:33:29.843126Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:33:29.843126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1708.08553","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":"2026-05-18T00:33:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"x8t05Pugmnc+rhGbXahyaPr6RdGITug9zYP1SKJlf2msrrlUac03+hF5iaesF5mys7yNMdXhbIVvf2DM3GAwBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:51:38.343978Z"},"content_sha256":"1cb0eef2064dc8ab4f935c90e774d5eb72dac5e4bb0fff6a80def4b7f501338a","schema_version":"1.0","event_id":"sha256:1cb0eef2064dc8ab4f935c90e774d5eb72dac5e4bb0fff6a80def4b7f501338a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:VV4DZSEN6YHZJHRHBYS2A77BU4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Buoyant AGN bubbles in the quasi-isothermal potential of NGC 1399","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"(2) Univ. of Alabama, (3) MPE), Christine Jones (1), Eugene Churazov (3) ((1) Harvard-Smithsonian Center for Astrophysics, Jimmy A. Irwin (2), Paul E. J. Nulsen (1), Ralph P. Kraft (1), Scott W. Randall (1), William R. Forman (1), Yuanyuan Su (1)","submitted_at":"2017-08-28T22:51:15Z","abstract_excerpt":"The Fornax Cluster is a low-mass cool-core galaxy cluster. We present a deep {\\sl Chandra} study of NGC 1399, the central dominant elliptical galaxy of Fornax. The cluster center harbors two symmetric X-ray cavities coincident with a pair of radio lobes fed by two collimated jets along a north-south axis. A temperature map reveals that the AGN outburst has created a channel filled with cooler gas out to a radius of 10 kpc. The cavities are surrounded by cool bright rims and filaments that may have been lifted from smaller radii by the buoyant bubbles. X-ray imaging suggests a potential ghost b"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.08553","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":"2026-05-18T00:33:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"S3RMNXQBXTC9jov32XaCEdTub+YWntM2ObHv9MuZRf390qubuQzsv6KbqbkcIEyOEDpZRNdLX0/x3L2xMV1HBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T08:51:38.344354Z"},"content_sha256":"a152684314dc2fbc900dc7eee88e76ce2e16d0bfed11c4904d8ef4279f309090","schema_version":"1.0","event_id":"sha256:a152684314dc2fbc900dc7eee88e76ce2e16d0bfed11c4904d8ef4279f309090"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/VV4DZSEN6YHZJHRHBYS2A77BU4/bundle.json","state_url":"https://pith.science/pith/VV4DZSEN6YHZJHRHBYS2A77BU4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/VV4DZSEN6YHZJHRHBYS2A77BU4/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":"2026-05-28T08:51:38Z","links":{"resolver":"https://pith.science/pith/VV4DZSEN6YHZJHRHBYS2A77BU4","bundle":"https://pith.science/pith/VV4DZSEN6YHZJHRHBYS2A77BU4/bundle.json","state":"https://pith.science/pith/VV4DZSEN6YHZJHRHBYS2A77BU4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/VV4DZSEN6YHZJHRHBYS2A77BU4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:VV4DZSEN6YHZJHRHBYS2A77BU4","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":"fd8ffbf0eb6815f49d0b17a64f4fc09757c09d21c823c583ecdcc1723b45e910","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-28T22:51:15Z","title_canon_sha256":"da3a4600741857a78cb21d622828419d8d9bc3d200be1f939809c097d5092f37"},"schema_version":"1.0","source":{"id":"1708.08553","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1708.08553","created_at":"2026-05-18T00:33:29Z"},{"alias_kind":"arxiv_version","alias_value":"1708.08553v2","created_at":"2026-05-18T00:33:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1708.08553","created_at":"2026-05-18T00:33:29Z"},{"alias_kind":"pith_short_12","alias_value":"VV4DZSEN6YHZ","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_16","alias_value":"VV4DZSEN6YHZJHRH","created_at":"2026-05-18T12:31:49Z"},{"alias_kind":"pith_short_8","alias_value":"VV4DZSEN","created_at":"2026-05-18T12:31:49Z"}],"graph_snapshots":[{"event_id":"sha256:a152684314dc2fbc900dc7eee88e76ce2e16d0bfed11c4904d8ef4279f309090","target":"graph","created_at":"2026-05-18T00:33:29Z","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 Fornax Cluster is a low-mass cool-core galaxy cluster. We present a deep {\\sl Chandra} study of NGC 1399, the central dominant elliptical galaxy of Fornax. The cluster center harbors two symmetric X-ray cavities coincident with a pair of radio lobes fed by two collimated jets along a north-south axis. A temperature map reveals that the AGN outburst has created a channel filled with cooler gas out to a radius of 10 kpc. The cavities are surrounded by cool bright rims and filaments that may have been lifted from smaller radii by the buoyant bubbles. X-ray imaging suggests a potential ghost b","authors_text":"(2) Univ. of Alabama, (3) MPE), Christine Jones (1), Eugene Churazov (3) ((1) Harvard-Smithsonian Center for Astrophysics, Jimmy A. Irwin (2), Paul E. J. Nulsen (1), Ralph P. Kraft (1), Scott W. Randall (1), William R. Forman (1), Yuanyuan Su (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-28T22:51:15Z","title":"Buoyant AGN bubbles in the quasi-isothermal potential of NGC 1399"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1708.08553","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":"sha256:1cb0eef2064dc8ab4f935c90e774d5eb72dac5e4bb0fff6a80def4b7f501338a","target":"record","created_at":"2026-05-18T00:33:29Z","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":"fd8ffbf0eb6815f49d0b17a64f4fc09757c09d21c823c583ecdcc1723b45e910","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-08-28T22:51:15Z","title_canon_sha256":"da3a4600741857a78cb21d622828419d8d9bc3d200be1f939809c097d5092f37"},"schema_version":"1.0","source":{"id":"1708.08553","kind":"arxiv","version":2}},"canonical_sha256":"ad783cc88df60f949e270e25a07fe1a71aa387a954616ccddae4c860c89fdc56","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ad783cc88df60f949e270e25a07fe1a71aa387a954616ccddae4c860c89fdc56","first_computed_at":"2026-05-18T00:33:29.843126Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:33:29.843126Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"qrQR4ueqLRZ6i+SIrr2DusbfDqMadM5mCNE8PNFhF1Xq1L9XXoxlbIXa2/y3tJBJPsZey1cC6jndx1LVefk4Ag==","signature_status":"signed_v1","signed_at":"2026-05-18T00:33:29.843850Z","signed_message":"canonical_sha256_bytes"},"source_id":"1708.08553","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1cb0eef2064dc8ab4f935c90e774d5eb72dac5e4bb0fff6a80def4b7f501338a","sha256:a152684314dc2fbc900dc7eee88e76ce2e16d0bfed11c4904d8ef4279f309090"],"state_sha256":"27060353d718042d686280bd28e23020855fb09c6342eb8d1e88ffa8fdb46cfb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XelsqRTxsgz2obOHdsaJXun6GgjrztJ+slb+JeFwiXSDFlultOQ0Gb/DPEGh3xMLp8lz3HUXCqOnOvyLqnpkCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T08:51:38.346535Z","bundle_sha256":"1bfdb2c6df3afd39ce39b0f78748a4bdc1a00068bef9374af56780c3e0c8276d"}}