{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:CNEPJT7NUVVBZE7KJQ7OFEIWKT","short_pith_number":"pith:CNEPJT7N","canonical_record":{"source":{"id":"1505.03042","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-05-12T14:55:33Z","cross_cats_sorted":[],"title_canon_sha256":"21f9e25702911e21ae1afbcf351b9c9fc03736923da4fd89a674d6b58d72fed1","abstract_canon_sha256":"59e24251dc457b23a9df269cad501943a4b4bb539442399b0877c641e98c0b92"},"schema_version":"1.0"},"canonical_sha256":"1348f4cfeda56a1c93ea4c3ee2911654fdd08553f6381baccd7bf212f9373fa8","source":{"kind":"arxiv","id":"1505.03042","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.03042","created_at":"2026-05-18T02:14:09Z"},{"alias_kind":"arxiv_version","alias_value":"1505.03042v1","created_at":"2026-05-18T02:14:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.03042","created_at":"2026-05-18T02:14:09Z"},{"alias_kind":"pith_short_12","alias_value":"CNEPJT7NUVVB","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"CNEPJT7NUVVBZE7K","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"CNEPJT7N","created_at":"2026-05-18T12:29:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:CNEPJT7NUVVBZE7KJQ7OFEIWKT","target":"record","payload":{"canonical_record":{"source":{"id":"1505.03042","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-05-12T14:55:33Z","cross_cats_sorted":[],"title_canon_sha256":"21f9e25702911e21ae1afbcf351b9c9fc03736923da4fd89a674d6b58d72fed1","abstract_canon_sha256":"59e24251dc457b23a9df269cad501943a4b4bb539442399b0877c641e98c0b92"},"schema_version":"1.0"},"canonical_sha256":"1348f4cfeda56a1c93ea4c3ee2911654fdd08553f6381baccd7bf212f9373fa8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:14:09.214618Z","signature_b64":"QEP5bla4WRtNYk6Ojdh/lgYzRaLQQJsuVk70JlKD6f26S1mqAvK/qcXXx8ol0fWoWFMcye17GeLU+SLFpjSqCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1348f4cfeda56a1c93ea4c3ee2911654fdd08553f6381baccd7bf212f9373fa8","last_reissued_at":"2026-05-18T02:14:09.214076Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:14:09.214076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1505.03042","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":"2026-05-18T02:14:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IVuuGDfFYlq+sIyzkBsW8gdXUixyH0x2VUFQCPSEBBSCo0TGxVc6XoF+czSshP9repge82/URmJd7teNQP2nBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T08:29:27.299969Z"},"content_sha256":"8a8a1763c158083080b387022178da2c248c92e020ecfc5aaf479b8ff7caa528","schema_version":"1.0","event_id":"sha256:8a8a1763c158083080b387022178da2c248c92e020ecfc5aaf479b8ff7caa528"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:CNEPJT7NUVVBZE7KJQ7OFEIWKT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Multicolor Photometry of the Merging Galaxy Cluster A2319: Dynamics and Star Formation Properties","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2), (2) School of Mathematics, (3) QuFu Education Bureau, (4) National Astronomical Observatories, Chinese Academy of Sciences), Institute of Theoretical Physics, Li Zhang (3), Nanjing Normal University, Peng-Fei Yan (1, Physics, Qingdao University of Science, Qi-Rong Yuan (1), Technology, Xu Zhou (4)((1) Department of Physics","submitted_at":"2015-05-12T14:55:33Z","abstract_excerpt":"Asymmetric X-ray emission and powerful cluster-scale radio halo indicate that A2319 is a merging cluster of galaxies. This paper presents our multicolor photometry for A2319 with 15 optical intermediate filters in the Beijing-Arizona-Taiwan-Connecticut (BATC) system. There are 142 galaxies with known spectroscopic redshifts within the viewing field, including 128 member galaxies (called sample I).A large velocity dispersion in the rest frame suggests a merger dynamics in A2319. The contour map of projected density and localized velocity structure confirm the so-called A2319B substructure, at ~"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.03042","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":"2026-05-18T02:14:09Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/H0xoTDg7LVz55XOzCfxVAzioGmto83ORxjVaydkgxeXshtjxpA1sRxep01qbmcdGfjBJuXLaciB1re/g+D7DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T08:29:27.300331Z"},"content_sha256":"bba82d38283e2176184b8461152347ff3ac308c521805d8a20add4bcb1dc9be8","schema_version":"1.0","event_id":"sha256:bba82d38283e2176184b8461152347ff3ac308c521805d8a20add4bcb1dc9be8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CNEPJT7NUVVBZE7KJQ7OFEIWKT/bundle.json","state_url":"https://pith.science/pith/CNEPJT7NUVVBZE7KJQ7OFEIWKT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CNEPJT7NUVVBZE7KJQ7OFEIWKT/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":"2026-06-26T08:29:27Z","links":{"resolver":"https://pith.science/pith/CNEPJT7NUVVBZE7KJQ7OFEIWKT","bundle":"https://pith.science/pith/CNEPJT7NUVVBZE7KJQ7OFEIWKT/bundle.json","state":"https://pith.science/pith/CNEPJT7NUVVBZE7KJQ7OFEIWKT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CNEPJT7NUVVBZE7KJQ7OFEIWKT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:CNEPJT7NUVVBZE7KJQ7OFEIWKT","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":"59e24251dc457b23a9df269cad501943a4b4bb539442399b0877c641e98c0b92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-05-12T14:55:33Z","title_canon_sha256":"21f9e25702911e21ae1afbcf351b9c9fc03736923da4fd89a674d6b58d72fed1"},"schema_version":"1.0","source":{"id":"1505.03042","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1505.03042","created_at":"2026-05-18T02:14:09Z"},{"alias_kind":"arxiv_version","alias_value":"1505.03042v1","created_at":"2026-05-18T02:14:09Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1505.03042","created_at":"2026-05-18T02:14:09Z"},{"alias_kind":"pith_short_12","alias_value":"CNEPJT7NUVVB","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_16","alias_value":"CNEPJT7NUVVBZE7K","created_at":"2026-05-18T12:29:17Z"},{"alias_kind":"pith_short_8","alias_value":"CNEPJT7N","created_at":"2026-05-18T12:29:17Z"}],"graph_snapshots":[{"event_id":"sha256:bba82d38283e2176184b8461152347ff3ac308c521805d8a20add4bcb1dc9be8","target":"graph","created_at":"2026-05-18T02:14:09Z","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":"Asymmetric X-ray emission and powerful cluster-scale radio halo indicate that A2319 is a merging cluster of galaxies. This paper presents our multicolor photometry for A2319 with 15 optical intermediate filters in the Beijing-Arizona-Taiwan-Connecticut (BATC) system. There are 142 galaxies with known spectroscopic redshifts within the viewing field, including 128 member galaxies (called sample I).A large velocity dispersion in the rest frame suggests a merger dynamics in A2319. The contour map of projected density and localized velocity structure confirm the so-called A2319B substructure, at ~","authors_text":"2), (2) School of Mathematics, (3) QuFu Education Bureau, (4) National Astronomical Observatories, Chinese Academy of Sciences), Institute of Theoretical Physics, Li Zhang (3), Nanjing Normal University, Peng-Fei Yan (1, Physics, Qingdao University of Science, Qi-Rong Yuan (1), Technology, Xu Zhou (4)((1) Department of Physics","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-05-12T14:55:33Z","title":"Multicolor Photometry of the Merging Galaxy Cluster A2319: Dynamics and Star Formation Properties"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1505.03042","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":"sha256:8a8a1763c158083080b387022178da2c248c92e020ecfc5aaf479b8ff7caa528","target":"record","created_at":"2026-05-18T02:14:09Z","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":"59e24251dc457b23a9df269cad501943a4b4bb539442399b0877c641e98c0b92","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-05-12T14:55:33Z","title_canon_sha256":"21f9e25702911e21ae1afbcf351b9c9fc03736923da4fd89a674d6b58d72fed1"},"schema_version":"1.0","source":{"id":"1505.03042","kind":"arxiv","version":1}},"canonical_sha256":"1348f4cfeda56a1c93ea4c3ee2911654fdd08553f6381baccd7bf212f9373fa8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1348f4cfeda56a1c93ea4c3ee2911654fdd08553f6381baccd7bf212f9373fa8","first_computed_at":"2026-05-18T02:14:09.214076Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:14:09.214076Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"QEP5bla4WRtNYk6Ojdh/lgYzRaLQQJsuVk70JlKD6f26S1mqAvK/qcXXx8ol0fWoWFMcye17GeLU+SLFpjSqCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:14:09.214618Z","signed_message":"canonical_sha256_bytes"},"source_id":"1505.03042","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8a8a1763c158083080b387022178da2c248c92e020ecfc5aaf479b8ff7caa528","sha256:bba82d38283e2176184b8461152347ff3ac308c521805d8a20add4bcb1dc9be8"],"state_sha256":"19c63edbce8a60f19c8863bd68570fb095077ef13a09606f15a54b574430250e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rFIBoFlJJNErQ1wHmJNYtsLazbMJhkVn07X7ks7a1RKy2fPqbfARKwTN789tOh6a7Xxl7Gwd1DhxLbaDdTpKDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T08:29:27.302238Z","bundle_sha256":"e34cc7d8632f3e43ca379c5666985b2b163fd3016cd17c46f1041c327f580879"}}