{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:J3BBXDUZYWXHBS3WDTJYPK7J2C","short_pith_number":"pith:J3BBXDUZ","canonical_record":{"source":{"id":"1701.01364","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-05T16:07:55Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"48d56294938cc769790df7db8e45df6cbc49d08396d528e1c8041bbb4ce67052","abstract_canon_sha256":"ea16dd84ac261f70820f48262b1b6dfb2612456cfa344934f15aef00d26722ee"},"schema_version":"1.0"},"canonical_sha256":"4ec21b8e99c5ae70cb761cd387abe9d09ecb8ff5bb62048ad5077d788f960f38","source":{"kind":"arxiv","id":"1701.01364","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01364","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01364v2","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01364","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"pith_short_12","alias_value":"J3BBXDUZYWXH","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"J3BBXDUZYWXHBS3W","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"J3BBXDUZ","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:J3BBXDUZYWXHBS3WDTJYPK7J2C","target":"record","payload":{"canonical_record":{"source":{"id":"1701.01364","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-05T16:07:55Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"48d56294938cc769790df7db8e45df6cbc49d08396d528e1c8041bbb4ce67052","abstract_canon_sha256":"ea16dd84ac261f70820f48262b1b6dfb2612456cfa344934f15aef00d26722ee"},"schema_version":"1.0"},"canonical_sha256":"4ec21b8e99c5ae70cb761cd387abe9d09ecb8ff5bb62048ad5077d788f960f38","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:29.359306Z","signature_b64":"f8p4RiiI5ZuSiGD87U6+WFkpjDIVZBjnqj6UsktZhDQHkSu1n9FN75rx1w0oXpegr6oaBOx75aJH/gj7PXV7DQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ec21b8e99c5ae70cb761cd387abe9d09ecb8ff5bb62048ad5077d788f960f38","last_reissued_at":"2026-05-18T00:43:29.358637Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:29.358637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.01364","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":"2026-05-18T00:43:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"okNqomAHydRQ7a58YlJ7ic7T29OKLmNC+r1TA98H4VRKhgZ5aTTsSy2/BPeGj/RaYSEfXIqywlJCs4tA0kibBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T18:16:17.006666Z"},"content_sha256":"6ef968eddf60d7ad031878673da0ed63650c75915b5d6aa62c554d3819629953","schema_version":"1.0","event_id":"sha256:6ef968eddf60d7ad031878673da0ed63650c75915b5d6aa62c554d3819629953"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:J3BBXDUZYWXHBS3WDTJYPK7J2C","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Occurrence of radio minihalos in a mass-limited sample of galaxy clusters","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.HE","authors_text":"Gianfranco Brunetti, Maxim Markevitch, Rossella Cassano, Simona Giacintucci, Tiziana Venturi, Tracy E. Clarke","submitted_at":"2017-01-05T16:07:55Z","abstract_excerpt":"We investigate the occurrence of radio minihalos --- diffuse radio sources of unknown origin observed in the cores of some galaxy clusters --- in a statistical sample of 58 clusters drawn from the Planck Sunyaev-Zel'dovich cluster catalog using a mass cut ($M_{500}>6\\times 10^{14} M_{\\odot}$). We supplement our statistical sample with a similarly-sized non-statistical sample mostly consisting of clusters in the ACCEPT X-ray catalog with suitable X-ray and radio data, which includes lower-mass clusters. Where necessary (for 9 clusters), we reanalyzed the Very Large Array archival radio data to "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01364","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":"2026-05-18T00:43:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eqUpkmYXj023eanUvow9m1NvLdW7JrLSrN6Cfc+lSV7HN/wxUin5HoRXt1OkqKaCHk852+ZIz6uz5TZdV+1rAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-29T18:16:17.007104Z"},"content_sha256":"f457e8a4d7b45dda5c940ef322a84012dd4b8f36dd1f1e16f545db4a81b348e3","schema_version":"1.0","event_id":"sha256:f457e8a4d7b45dda5c940ef322a84012dd4b8f36dd1f1e16f545db4a81b348e3"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J3BBXDUZYWXHBS3WDTJYPK7J2C/bundle.json","state_url":"https://pith.science/pith/J3BBXDUZYWXHBS3WDTJYPK7J2C/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J3BBXDUZYWXHBS3WDTJYPK7J2C/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":"2026-05-29T18:16:17Z","links":{"resolver":"https://pith.science/pith/J3BBXDUZYWXHBS3WDTJYPK7J2C","bundle":"https://pith.science/pith/J3BBXDUZYWXHBS3WDTJYPK7J2C/bundle.json","state":"https://pith.science/pith/J3BBXDUZYWXHBS3WDTJYPK7J2C/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J3BBXDUZYWXHBS3WDTJYPK7J2C/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:J3BBXDUZYWXHBS3WDTJYPK7J2C","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":"ea16dd84ac261f70820f48262b1b6dfb2612456cfa344934f15aef00d26722ee","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-05T16:07:55Z","title_canon_sha256":"48d56294938cc769790df7db8e45df6cbc49d08396d528e1c8041bbb4ce67052"},"schema_version":"1.0","source":{"id":"1701.01364","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.01364","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"arxiv_version","alias_value":"1701.01364v2","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.01364","created_at":"2026-05-18T00:43:29Z"},{"alias_kind":"pith_short_12","alias_value":"J3BBXDUZYWXH","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"J3BBXDUZYWXHBS3W","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"J3BBXDUZ","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:f457e8a4d7b45dda5c940ef322a84012dd4b8f36dd1f1e16f545db4a81b348e3","target":"graph","created_at":"2026-05-18T00:43:29Z","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":"We investigate the occurrence of radio minihalos --- diffuse radio sources of unknown origin observed in the cores of some galaxy clusters --- in a statistical sample of 58 clusters drawn from the Planck Sunyaev-Zel'dovich cluster catalog using a mass cut ($M_{500}>6\\times 10^{14} M_{\\odot}$). We supplement our statistical sample with a similarly-sized non-statistical sample mostly consisting of clusters in the ACCEPT X-ray catalog with suitable X-ray and radio data, which includes lower-mass clusters. Where necessary (for 9 clusters), we reanalyzed the Very Large Array archival radio data to ","authors_text":"Gianfranco Brunetti, Maxim Markevitch, Rossella Cassano, Simona Giacintucci, Tiziana Venturi, Tracy E. Clarke","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-05T16:07:55Z","title":"Occurrence of radio minihalos in a mass-limited sample of galaxy clusters"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.01364","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":"sha256:6ef968eddf60d7ad031878673da0ed63650c75915b5d6aa62c554d3819629953","target":"record","created_at":"2026-05-18T00:43:29Z","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":"ea16dd84ac261f70820f48262b1b6dfb2612456cfa344934f15aef00d26722ee","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2017-01-05T16:07:55Z","title_canon_sha256":"48d56294938cc769790df7db8e45df6cbc49d08396d528e1c8041bbb4ce67052"},"schema_version":"1.0","source":{"id":"1701.01364","kind":"arxiv","version":2}},"canonical_sha256":"4ec21b8e99c5ae70cb761cd387abe9d09ecb8ff5bb62048ad5077d788f960f38","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ec21b8e99c5ae70cb761cd387abe9d09ecb8ff5bb62048ad5077d788f960f38","first_computed_at":"2026-05-18T00:43:29.358637Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:29.358637Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"f8p4RiiI5ZuSiGD87U6+WFkpjDIVZBjnqj6UsktZhDQHkSu1n9FN75rx1w0oXpegr6oaBOx75aJH/gj7PXV7DQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:29.359306Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.01364","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ef968eddf60d7ad031878673da0ed63650c75915b5d6aa62c554d3819629953","sha256:f457e8a4d7b45dda5c940ef322a84012dd4b8f36dd1f1e16f545db4a81b348e3"],"state_sha256":"ad51b22d05839cec295a6be78d9fcfe2e4aa6dea7cfddfb7c80fd749d232bb78"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SVE/rwSLbZ9dNgahMUAi8kiv85EPcmvDaXbDtgEYCGxKUeOPkeU+nU6V8faD/ojuFWjPE5xHsx47XtCaTuRuCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-29T18:16:17.010666Z","bundle_sha256":"43b74757c8cfd0477558bd0109d3072f93ff4548acecd1ffd96adf3af146412a"}}