{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:RRJX3NYM4JE2GGQQIZYQLH6RXM","short_pith_number":"pith:RRJX3NYM","canonical_record":{"source":{"id":"2407.03142","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-03T14:21:27Z","cross_cats_sorted":[],"title_canon_sha256":"1edb82d29972ac11d98a1f35dccfe71799ee972e41f63e3f663c095e4d7f29ca","abstract_canon_sha256":"c902951bca7c6785d4fe2e24103f641f08f0d75d24c03fec5dbbcab636af2a95"},"schema_version":"1.0"},"canonical_sha256":"8c537db70ce249a31a104671059fd1bb3eb92ec7424e654d5a4e39f7abaa04cc","source":{"kind":"arxiv","id":"2407.03142","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.03142","created_at":"2026-07-05T08:39:46Z"},{"alias_kind":"arxiv_version","alias_value":"2407.03142v1","created_at":"2026-07-05T08:39:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.03142","created_at":"2026-07-05T08:39:46Z"},{"alias_kind":"pith_short_12","alias_value":"RRJX3NYM4JE2","created_at":"2026-07-05T08:39:46Z"},{"alias_kind":"pith_short_16","alias_value":"RRJX3NYM4JE2GGQQ","created_at":"2026-07-05T08:39:46Z"},{"alias_kind":"pith_short_8","alias_value":"RRJX3NYM","created_at":"2026-07-05T08:39:46Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:RRJX3NYM4JE2GGQQIZYQLH6RXM","target":"record","payload":{"canonical_record":{"source":{"id":"2407.03142","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-03T14:21:27Z","cross_cats_sorted":[],"title_canon_sha256":"1edb82d29972ac11d98a1f35dccfe71799ee972e41f63e3f663c095e4d7f29ca","abstract_canon_sha256":"c902951bca7c6785d4fe2e24103f641f08f0d75d24c03fec5dbbcab636af2a95"},"schema_version":"1.0"},"canonical_sha256":"8c537db70ce249a31a104671059fd1bb3eb92ec7424e654d5a4e39f7abaa04cc","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:39:46.901515Z","signature_b64":"LvdO7EJGJ5m1WYqNtEnycpD22dMbnpMOn58/ZXfHfGWPWlWPJ39PUNpbT2uLMKp5Gcf2HmhAE1XjSVR6ZKb8CA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"8c537db70ce249a31a104671059fd1bb3eb92ec7424e654d5a4e39f7abaa04cc","last_reissued_at":"2026-07-05T08:39:46.901045Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:39:46.901045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2407.03142","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":"2026-07-05T08:39:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sjwn3+p4PWyv8p1vNWGzeZism1z5MNyB57ikKILONzxlbcNcTo4Uy/RRN3TyaTn44rZU4+Q/mMjQsmKAxod6CA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T12:44:56.390086Z"},"content_sha256":"cee7c01db48c1937416ba18696cd6ce28e0278d4fd0c1d30af9634d5435348eb","schema_version":"1.0","event_id":"sha256:cee7c01db48c1937416ba18696cd6ce28e0278d4fd0c1d30af9634d5435348eb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:RRJX3NYM4JE2GGQQIZYQLH6RXM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Closing Pandora's Box -- The deepest X-ray observations of Abell 2744 and a multi-wavelength merger picture","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"\\'Akos Bogd\\'an, Gerrit Schellenberger, John ZuHone, Urmila Chadayammuri","submitted_at":"2024-07-03T14:21:27Z","abstract_excerpt":"Abell 2744, also known as Pandora's Cluster, is a complex merging galaxy cluster. While a major merger is clear along the north-south axis, the dynamical state of the northwest subcluster has been highly uncertain. We present ultra-deep ($\\approx$2.1 Ms) X-ray observations of Abell 2744 obtained with the Chandra X-ray Observatory and reinterpret the multi-wavelength picture with a suite of idealised simulations of galaxy cluster mergers. The new data reveal in unprecedented detail the disruption of cool cores in the three X-ray luminous subclusters and confirm the presence of a shock to the NW"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.03142","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2407.03142/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T08:39:46Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+JSFrNLNvfKgVLR18sdbIF2wbvDRAWIPxrU5ZGRuWp2RgtC+SaxrL/Ywod16ABV8wXyfyKoygdZUd/nAfFjdBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T12:44:56.391003Z"},"content_sha256":"081fe104b8e423480f9024e0e0a6217575adcd02d736253f73a1a5c53d664fdf","schema_version":"1.0","event_id":"sha256:081fe104b8e423480f9024e0e0a6217575adcd02d736253f73a1a5c53d664fdf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/RRJX3NYM4JE2GGQQIZYQLH6RXM/bundle.json","state_url":"https://pith.science/pith/RRJX3NYM4JE2GGQQIZYQLH6RXM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/RRJX3NYM4JE2GGQQIZYQLH6RXM/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":"2026-08-10T12:44:56Z","links":{"resolver":"https://pith.science/pith/RRJX3NYM4JE2GGQQIZYQLH6RXM","bundle":"https://pith.science/pith/RRJX3NYM4JE2GGQQIZYQLH6RXM/bundle.json","state":"https://pith.science/pith/RRJX3NYM4JE2GGQQIZYQLH6RXM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/RRJX3NYM4JE2GGQQIZYQLH6RXM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:RRJX3NYM4JE2GGQQIZYQLH6RXM","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":"c902951bca7c6785d4fe2e24103f641f08f0d75d24c03fec5dbbcab636af2a95","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-03T14:21:27Z","title_canon_sha256":"1edb82d29972ac11d98a1f35dccfe71799ee972e41f63e3f663c095e4d7f29ca"},"schema_version":"1.0","source":{"id":"2407.03142","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2407.03142","created_at":"2026-07-05T08:39:46Z"},{"alias_kind":"arxiv_version","alias_value":"2407.03142v1","created_at":"2026-07-05T08:39:46Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2407.03142","created_at":"2026-07-05T08:39:46Z"},{"alias_kind":"pith_short_12","alias_value":"RRJX3NYM4JE2","created_at":"2026-07-05T08:39:46Z"},{"alias_kind":"pith_short_16","alias_value":"RRJX3NYM4JE2GGQQ","created_at":"2026-07-05T08:39:46Z"},{"alias_kind":"pith_short_8","alias_value":"RRJX3NYM","created_at":"2026-07-05T08:39:46Z"}],"graph_snapshots":[{"event_id":"sha256:081fe104b8e423480f9024e0e0a6217575adcd02d736253f73a1a5c53d664fdf","target":"graph","created_at":"2026-07-05T08:39:46Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2407.03142/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Abell 2744, also known as Pandora's Cluster, is a complex merging galaxy cluster. While a major merger is clear along the north-south axis, the dynamical state of the northwest subcluster has been highly uncertain. We present ultra-deep ($\\approx$2.1 Ms) X-ray observations of Abell 2744 obtained with the Chandra X-ray Observatory and reinterpret the multi-wavelength picture with a suite of idealised simulations of galaxy cluster mergers. The new data reveal in unprecedented detail the disruption of cool cores in the three X-ray luminous subclusters and confirm the presence of a shock to the NW","authors_text":"\\'Akos Bogd\\'an, Gerrit Schellenberger, John ZuHone, Urmila Chadayammuri","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-03T14:21:27Z","title":"Closing Pandora's Box -- The deepest X-ray observations of Abell 2744 and a multi-wavelength merger picture"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2407.03142","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:cee7c01db48c1937416ba18696cd6ce28e0278d4fd0c1d30af9634d5435348eb","target":"record","created_at":"2026-07-05T08:39:46Z","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":"c902951bca7c6785d4fe2e24103f641f08f0d75d24c03fec5dbbcab636af2a95","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.CO","submitted_at":"2024-07-03T14:21:27Z","title_canon_sha256":"1edb82d29972ac11d98a1f35dccfe71799ee972e41f63e3f663c095e4d7f29ca"},"schema_version":"1.0","source":{"id":"2407.03142","kind":"arxiv","version":1}},"canonical_sha256":"8c537db70ce249a31a104671059fd1bb3eb92ec7424e654d5a4e39f7abaa04cc","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"8c537db70ce249a31a104671059fd1bb3eb92ec7424e654d5a4e39f7abaa04cc","first_computed_at":"2026-07-05T08:39:46.901045Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:39:46.901045Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LvdO7EJGJ5m1WYqNtEnycpD22dMbnpMOn58/ZXfHfGWPWlWPJ39PUNpbT2uLMKp5Gcf2HmhAE1XjSVR6ZKb8CA==","signature_status":"signed_v1","signed_at":"2026-07-05T08:39:46.901515Z","signed_message":"canonical_sha256_bytes"},"source_id":"2407.03142","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:cee7c01db48c1937416ba18696cd6ce28e0278d4fd0c1d30af9634d5435348eb","sha256:081fe104b8e423480f9024e0e0a6217575adcd02d736253f73a1a5c53d664fdf"],"state_sha256":"a102fd8ec13079a263389d91b8a552366797782a5d4c8a5237eea6946aa96371"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lS0J+2SAv9pioiwnWTkvuCsK4AVHSPd7P5qlJa0uRbzn9tiToQjbr3z0Vh1GbV6apSP8Tx8bk4Sua1PK6O6YBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T12:44:56.398166Z","bundle_sha256":"99a6874af7ac5b7d845a6ef0f3bdca97688c6500349cb3978934c5034e20e086"}}