{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DYSNQLPNT54JSCPZU3PAQZAOXZ","short_pith_number":"pith:DYSNQLPN","canonical_record":{"source":{"id":"2504.16158","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-22T18:00:00Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"ee72df669016fb7f7abafa21b4b2aecd82841dd3443ab8d63acc60ef74080638","abstract_canon_sha256":"bf79a0d3eb653580a60a79127e2e70498f5a51d9994698a6c729cdb4335a89bd"},"schema_version":"1.0"},"canonical_sha256":"1e24d82ded9f789909f9a6de08640ebe4907e992d2e4e6c42ade211544420252","source":{"kind":"arxiv","id":"2504.16158","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.16158","created_at":"2026-07-05T10:52:42Z"},{"alias_kind":"arxiv_version","alias_value":"2504.16158v1","created_at":"2026-07-05T10:52:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.16158","created_at":"2026-07-05T10:52:42Z"},{"alias_kind":"pith_short_12","alias_value":"DYSNQLPNT54J","created_at":"2026-07-05T10:52:42Z"},{"alias_kind":"pith_short_16","alias_value":"DYSNQLPNT54JSCPZ","created_at":"2026-07-05T10:52:42Z"},{"alias_kind":"pith_short_8","alias_value":"DYSNQLPN","created_at":"2026-07-05T10:52:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DYSNQLPNT54JSCPZU3PAQZAOXZ","target":"record","payload":{"canonical_record":{"source":{"id":"2504.16158","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-22T18:00:00Z","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"title_canon_sha256":"ee72df669016fb7f7abafa21b4b2aecd82841dd3443ab8d63acc60ef74080638","abstract_canon_sha256":"bf79a0d3eb653580a60a79127e2e70498f5a51d9994698a6c729cdb4335a89bd"},"schema_version":"1.0"},"canonical_sha256":"1e24d82ded9f789909f9a6de08640ebe4907e992d2e4e6c42ade211544420252","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:52:42.443116Z","signature_b64":"Y2qo3zMGUInRQqvaKAljOBBTpQR5RlfxN/b+cPtBEVXxRyKZT8IhSBjEVOxd4LgfoKZfGMOctb95hb626IgUBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1e24d82ded9f789909f9a6de08640ebe4907e992d2e4e6c42ade211544420252","last_reissued_at":"2026-07-05T10:52:42.442637Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:52:42.442637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2504.16158","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":"2026-07-05T10:52:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bac6Ma2/N0G3V0sFlLi2dKIf2/iK0Gl2bbk2iI1JdWvpY+u78nO0hyW3cOeadu114cUn+hmtcj27S590YtzxBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T09:58:21.732995Z"},"content_sha256":"fc7f3e523ed65eb0d0fdf7a435be98962fe662e8f03f3aea784f8025311831a9","schema_version":"1.0","event_id":"sha256:fc7f3e523ed65eb0d0fdf7a435be98962fe662e8f03f3aea784f8025311831a9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DYSNQLPNT54JSCPZU3PAQZAOXZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"MeerKAT L-band observations of the Ophiuchus galaxy cluster. Detection of synchrotron threads and jellyfish galaxies","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO","astro-ph.HE"],"primary_cat":"astro-ph.GA","authors_text":"Andrea Botteon, Fabio Gastaldello, Iacopo Bartalucci, Marco Balboni, Reinout J. van Weeren","submitted_at":"2025-04-22T18:00:00Z","abstract_excerpt":"Observations with modern radio interferometers are uncovering the intricate morphology of synchrotron sources in galaxy clusters, both those arising from the intracluster medium (ICM) and those associated with member galaxies. Moreover, in addition to the well-known radio tails from active galactic nuclei, radio continuum tails from jellyfish galaxies are being efficiently detected in nearby clusters and groups. Our goal is to investigate the radio emission from the Ophiuchus cluster, a massive, sloshing cluster in the local Universe ($z=0.0296$) that hosts a diffuse mini halo at its center. T"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.16158","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/2504.16158/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":"2026-07-05T10:52:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OXAnoqhz1PeBjc/ZxFF5tV8Zfi4Huiou/Go2yzoy4UHLfE+Rnp9XP2uFUNESjRuva76ocVKXD7tl9IuBxNRBCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-15T09:58:21.733480Z"},"content_sha256":"d66a27ad892fc4457fa54b06d9d2fbc426cc9b9f620976f97a4a61521c21cde4","schema_version":"1.0","event_id":"sha256:d66a27ad892fc4457fa54b06d9d2fbc426cc9b9f620976f97a4a61521c21cde4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DYSNQLPNT54JSCPZU3PAQZAOXZ/bundle.json","state_url":"https://pith.science/pith/DYSNQLPNT54JSCPZU3PAQZAOXZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DYSNQLPNT54JSCPZU3PAQZAOXZ/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":"2026-08-15T09:58:21Z","links":{"resolver":"https://pith.science/pith/DYSNQLPNT54JSCPZU3PAQZAOXZ","bundle":"https://pith.science/pith/DYSNQLPNT54JSCPZU3PAQZAOXZ/bundle.json","state":"https://pith.science/pith/DYSNQLPNT54JSCPZU3PAQZAOXZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DYSNQLPNT54JSCPZU3PAQZAOXZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DYSNQLPNT54JSCPZU3PAQZAOXZ","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":"bf79a0d3eb653580a60a79127e2e70498f5a51d9994698a6c729cdb4335a89bd","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-22T18:00:00Z","title_canon_sha256":"ee72df669016fb7f7abafa21b4b2aecd82841dd3443ab8d63acc60ef74080638"},"schema_version":"1.0","source":{"id":"2504.16158","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2504.16158","created_at":"2026-07-05T10:52:42Z"},{"alias_kind":"arxiv_version","alias_value":"2504.16158v1","created_at":"2026-07-05T10:52:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2504.16158","created_at":"2026-07-05T10:52:42Z"},{"alias_kind":"pith_short_12","alias_value":"DYSNQLPNT54J","created_at":"2026-07-05T10:52:42Z"},{"alias_kind":"pith_short_16","alias_value":"DYSNQLPNT54JSCPZ","created_at":"2026-07-05T10:52:42Z"},{"alias_kind":"pith_short_8","alias_value":"DYSNQLPN","created_at":"2026-07-05T10:52:42Z"}],"graph_snapshots":[{"event_id":"sha256:d66a27ad892fc4457fa54b06d9d2fbc426cc9b9f620976f97a4a61521c21cde4","target":"graph","created_at":"2026-07-05T10:52:42Z","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/2504.16158/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Observations with modern radio interferometers are uncovering the intricate morphology of synchrotron sources in galaxy clusters, both those arising from the intracluster medium (ICM) and those associated with member galaxies. Moreover, in addition to the well-known radio tails from active galactic nuclei, radio continuum tails from jellyfish galaxies are being efficiently detected in nearby clusters and groups. Our goal is to investigate the radio emission from the Ophiuchus cluster, a massive, sloshing cluster in the local Universe ($z=0.0296$) that hosts a diffuse mini halo at its center. T","authors_text":"Andrea Botteon, Fabio Gastaldello, Iacopo Bartalucci, Marco Balboni, Reinout J. van Weeren","cross_cats":["astro-ph.CO","astro-ph.HE"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-22T18:00:00Z","title":"MeerKAT L-band observations of the Ophiuchus galaxy cluster. Detection of synchrotron threads and jellyfish galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2504.16158","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:fc7f3e523ed65eb0d0fdf7a435be98962fe662e8f03f3aea784f8025311831a9","target":"record","created_at":"2026-07-05T10:52:42Z","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":"bf79a0d3eb653580a60a79127e2e70498f5a51d9994698a6c729cdb4335a89bd","cross_cats_sorted":["astro-ph.CO","astro-ph.HE"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-04-22T18:00:00Z","title_canon_sha256":"ee72df669016fb7f7abafa21b4b2aecd82841dd3443ab8d63acc60ef74080638"},"schema_version":"1.0","source":{"id":"2504.16158","kind":"arxiv","version":1}},"canonical_sha256":"1e24d82ded9f789909f9a6de08640ebe4907e992d2e4e6c42ade211544420252","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1e24d82ded9f789909f9a6de08640ebe4907e992d2e4e6c42ade211544420252","first_computed_at":"2026-07-05T10:52:42.442637Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:52:42.442637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y2qo3zMGUInRQqvaKAljOBBTpQR5RlfxN/b+cPtBEVXxRyKZT8IhSBjEVOxd4LgfoKZfGMOctb95hb626IgUBA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:52:42.443116Z","signed_message":"canonical_sha256_bytes"},"source_id":"2504.16158","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc7f3e523ed65eb0d0fdf7a435be98962fe662e8f03f3aea784f8025311831a9","sha256:d66a27ad892fc4457fa54b06d9d2fbc426cc9b9f620976f97a4a61521c21cde4"],"state_sha256":"f97175491492d513500bf97aa24ca63d049d20e64fa8914cf1804f72d41cfdc8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RoTCwcbSWEacifR8TBSSo7fYRDMHRzkh9o+BN4vOmcgIXlolltrWTpDLy/rG+Vq1LZC+Q48dF2I8QAJuW2xMCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-15T09:58:21.737890Z","bundle_sha256":"6f31fcf46669a80346f349af2b991f82105ec87cccb507d842f7d3528a657974"}}