{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:6IKCSJNWYZ4QGRSDZKSYUMHC2T","short_pith_number":"pith:6IKCSJNW","canonical_record":{"source":{"id":"1604.01759","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-04-06T15:25:00Z","cross_cats_sorted":["astro-ph.HE","hep-ph"],"title_canon_sha256":"f322bac760b95c5e9d2388d4f16ed45b8f5c9c7ddbaa452f5b56bb9c357c563e","abstract_canon_sha256":"571952f29d59565b9f070946b2e65557d3b4583b7bea53a1c60330619edc7e26"},"schema_version":"1.0"},"canonical_sha256":"f2142925b6c679034643caa58a30e2d4e452531cfc76dea8772e0ee7cc892d99","source":{"kind":"arxiv","id":"1604.01759","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.01759","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"arxiv_version","alias_value":"1604.01759v2","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.01759","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"pith_short_12","alias_value":"6IKCSJNWYZ4Q","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"6IKCSJNWYZ4QGRSD","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"6IKCSJNW","created_at":"2026-05-18T12:30:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:6IKCSJNWYZ4QGRSDZKSYUMHC2T","target":"record","payload":{"canonical_record":{"source":{"id":"1604.01759","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-04-06T15:25:00Z","cross_cats_sorted":["astro-ph.HE","hep-ph"],"title_canon_sha256":"f322bac760b95c5e9d2388d4f16ed45b8f5c9c7ddbaa452f5b56bb9c357c563e","abstract_canon_sha256":"571952f29d59565b9f070946b2e65557d3b4583b7bea53a1c60330619edc7e26"},"schema_version":"1.0"},"canonical_sha256":"f2142925b6c679034643caa58a30e2d4e452531cfc76dea8772e0ee7cc892d99","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:03:19.332933Z","signature_b64":"POko9O7WZvXfJjKWNG5uWLS1oXezBh8tuE3wOQkE3MlvSd2g7MriDESvUEMFXseViNbSSmiVlEVyJ6RoGUR1DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f2142925b6c679034643caa58a30e2d4e452531cfc76dea8772e0ee7cc892d99","last_reissued_at":"2026-05-18T01:03:19.332412Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:03:19.332412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1604.01759","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":"2026-05-18T01:03:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7bS+w0yNOQ7vF9jgcWo/9hQoF6qndZiuBfK78Bzthqp094C5loiZpISyAHh19cs0MSC1o+KTZtb0fNQi7eInDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T21:08:11.300847Z"},"content_sha256":"dc2cc9291dd937b4349b0d5c4b6ab880d2c0eea75eb11f69c67e8f4b9ca68085","schema_version":"1.0","event_id":"sha256:dc2cc9291dd937b4349b0d5c4b6ab880d2c0eea75eb11f69c67e8f4b9ca68085"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:6IKCSJNWYZ4QGRSDZKSYUMHC2T","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Radial Profile of the 3.55 keV line out to $R_{200}$ in the Perseus Cluster","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.HE","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Adam Foster, Alexey Boyarsky, Dmytro Iakubovskyi, Eric Miller, Esra Bulbul, Jeroen Franse, Mark Bautz, Maxim Markevitch, Michael McDonald, Mike Loewenstein, Oleg Ruchayskiy, Randall K. Smith, Scott W. Randall","submitted_at":"2016-04-06T15:25:00Z","abstract_excerpt":"The recent discovery of the unidentified emission line at 3.55 keV in galaxies and clusters has attracted great interest from the community. As the origin of the line remains uncertain, we study the surface brightness distribution of the line in the Perseus cluster since that information can be used to identify its origin. We examine the flux distribution of the 3.55 keV line in the deep Suzaku observations of the Perseus cluster in detail. The 3.55 keV line is observed in three concentric annuli in the central observations, although the observations of the outskirts of the cluster did not rev"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.01759","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":"2026-05-18T01:03:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"p6EddP28TxJZlYIxViuVXBcA6tl5XIq0QVyUcXGb7Rfkxw91H0ra3/54q0eUlJQFN0Cb/z+PbPWrvY/t97k4Dg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-21T21:08:11.301211Z"},"content_sha256":"629496e221c3c72bdfa1593515f1a3f01cf24116609b89a2e955a08b8310bad3","schema_version":"1.0","event_id":"sha256:629496e221c3c72bdfa1593515f1a3f01cf24116609b89a2e955a08b8310bad3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6IKCSJNWYZ4QGRSDZKSYUMHC2T/bundle.json","state_url":"https://pith.science/pith/6IKCSJNWYZ4QGRSDZKSYUMHC2T/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6IKCSJNWYZ4QGRSDZKSYUMHC2T/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":"2026-05-21T21:08:11Z","links":{"resolver":"https://pith.science/pith/6IKCSJNWYZ4QGRSDZKSYUMHC2T","bundle":"https://pith.science/pith/6IKCSJNWYZ4QGRSDZKSYUMHC2T/bundle.json","state":"https://pith.science/pith/6IKCSJNWYZ4QGRSDZKSYUMHC2T/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6IKCSJNWYZ4QGRSDZKSYUMHC2T/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:6IKCSJNWYZ4QGRSDZKSYUMHC2T","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":"571952f29d59565b9f070946b2e65557d3b4583b7bea53a1c60330619edc7e26","cross_cats_sorted":["astro-ph.HE","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-04-06T15:25:00Z","title_canon_sha256":"f322bac760b95c5e9d2388d4f16ed45b8f5c9c7ddbaa452f5b56bb9c357c563e"},"schema_version":"1.0","source":{"id":"1604.01759","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1604.01759","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"arxiv_version","alias_value":"1604.01759v2","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1604.01759","created_at":"2026-05-18T01:03:19Z"},{"alias_kind":"pith_short_12","alias_value":"6IKCSJNWYZ4Q","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_16","alias_value":"6IKCSJNWYZ4QGRSD","created_at":"2026-05-18T12:30:01Z"},{"alias_kind":"pith_short_8","alias_value":"6IKCSJNW","created_at":"2026-05-18T12:30:01Z"}],"graph_snapshots":[{"event_id":"sha256:629496e221c3c72bdfa1593515f1a3f01cf24116609b89a2e955a08b8310bad3","target":"graph","created_at":"2026-05-18T01:03:19Z","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":"The recent discovery of the unidentified emission line at 3.55 keV in galaxies and clusters has attracted great interest from the community. As the origin of the line remains uncertain, we study the surface brightness distribution of the line in the Perseus cluster since that information can be used to identify its origin. We examine the flux distribution of the 3.55 keV line in the deep Suzaku observations of the Perseus cluster in detail. The 3.55 keV line is observed in three concentric annuli in the central observations, although the observations of the outskirts of the cluster did not rev","authors_text":"Adam Foster, Alexey Boyarsky, Dmytro Iakubovskyi, Eric Miller, Esra Bulbul, Jeroen Franse, Mark Bautz, Maxim Markevitch, Michael McDonald, Mike Loewenstein, Oleg Ruchayskiy, Randall K. Smith, Scott W. Randall","cross_cats":["astro-ph.HE","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-04-06T15:25:00Z","title":"Radial Profile of the 3.55 keV line out to $R_{200}$ in the Perseus Cluster"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1604.01759","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:dc2cc9291dd937b4349b0d5c4b6ab880d2c0eea75eb11f69c67e8f4b9ca68085","target":"record","created_at":"2026-05-18T01:03:19Z","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":"571952f29d59565b9f070946b2e65557d3b4583b7bea53a1c60330619edc7e26","cross_cats_sorted":["astro-ph.HE","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2016-04-06T15:25:00Z","title_canon_sha256":"f322bac760b95c5e9d2388d4f16ed45b8f5c9c7ddbaa452f5b56bb9c357c563e"},"schema_version":"1.0","source":{"id":"1604.01759","kind":"arxiv","version":2}},"canonical_sha256":"f2142925b6c679034643caa58a30e2d4e452531cfc76dea8772e0ee7cc892d99","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f2142925b6c679034643caa58a30e2d4e452531cfc76dea8772e0ee7cc892d99","first_computed_at":"2026-05-18T01:03:19.332412Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:03:19.332412Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"POko9O7WZvXfJjKWNG5uWLS1oXezBh8tuE3wOQkE3MlvSd2g7MriDESvUEMFXseViNbSSmiVlEVyJ6RoGUR1DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:03:19.332933Z","signed_message":"canonical_sha256_bytes"},"source_id":"1604.01759","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:dc2cc9291dd937b4349b0d5c4b6ab880d2c0eea75eb11f69c67e8f4b9ca68085","sha256:629496e221c3c72bdfa1593515f1a3f01cf24116609b89a2e955a08b8310bad3"],"state_sha256":"9e47c5ff9adc9f6de113c6b2aa8a4cbcd7cc43ac8db905e297258b7cd4bac018"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qjJshFJiCI2gurP5sS0G8Zn2QMC2MeiculOawH8zHn5LqBwjARILHxmphkkvE8xoRqX2Sq94msijLEqyUvWEBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-21T21:08:11.304458Z","bundle_sha256":"9309cc09de1c0458dc0ad4dc3bbe9cdaae4b5d3be3cbc22ddd33999be0d6d973"}}