{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:ZOP4JVKSIVH622R5VW7EODEZER","short_pith_number":"pith:ZOP4JVKS","canonical_record":{"source":{"id":"1710.01728","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-04T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"94213357aadd34f3b7cce2c9538171d4e2e925642b5f969a9022f76b73536109","abstract_canon_sha256":"c637fd41001ba91c591c2acf0d2eecf8552120d7f12e612adfa46f819c99b41a"},"schema_version":"1.0"},"canonical_sha256":"cb9fc4d552454fed6a3dadbe470c99245232c5c7d90b8fd372e37c637be392e4","source":{"kind":"arxiv","id":"1710.01728","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.01728","created_at":"2026-05-18T00:28:52Z"},{"alias_kind":"arxiv_version","alias_value":"1710.01728v1","created_at":"2026-05-18T00:28:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.01728","created_at":"2026-05-18T00:28:52Z"},{"alias_kind":"pith_short_12","alias_value":"ZOP4JVKSIVH6","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZOP4JVKSIVH622R5","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZOP4JVKS","created_at":"2026-05-18T12:31:59Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:ZOP4JVKSIVH622R5VW7EODEZER","target":"record","payload":{"canonical_record":{"source":{"id":"1710.01728","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-04T18:00:00Z","cross_cats_sorted":[],"title_canon_sha256":"94213357aadd34f3b7cce2c9538171d4e2e925642b5f969a9022f76b73536109","abstract_canon_sha256":"c637fd41001ba91c591c2acf0d2eecf8552120d7f12e612adfa46f819c99b41a"},"schema_version":"1.0"},"canonical_sha256":"cb9fc4d552454fed6a3dadbe470c99245232c5c7d90b8fd372e37c637be392e4","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:28:52.433080Z","signature_b64":"0nbI9RpsW1hSA7YA5XxRoRSq3FOJc6uSgZ4ij7NO51SFMMGYCiteGiCXfwRcfYB3YLn7kDNUQJDiSYrJhx+OBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cb9fc4d552454fed6a3dadbe470c99245232c5c7d90b8fd372e37c637be392e4","last_reissued_at":"2026-05-18T00:28:52.432489Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:28:52.432489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1710.01728","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":"2026-05-18T00:28:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"olIdHio2GvGjCCFYLkH7MQdN2DnxZDDcTxe9vsoh10rvxi2ahFn50AkRjdiIVtMcANS9RUC0ztMmpFXvqqhaCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:24:52.619299Z"},"content_sha256":"50eafee3d8afae05ab15fe60441006efe63b13502f689f4685f90283e5da4c9d","schema_version":"1.0","event_id":"sha256:50eafee3d8afae05ab15fe60441006efe63b13502f689f4685f90283e5da4c9d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:ZOP4JVKSIVH622R5VW7EODEZER","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Discovery of diffuse dwarf galaxy candidates around M101","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"2), (2) University of Arizona, (3) Royal Military College of Canada), A. Karunakaran (3) ((1) Texas Tech University, D. Crnojevi\\'c (1), D. J. Sand (1, D. Zaritsky (2), K. Spekkens (3), P. Bennet (1)","submitted_at":"2017-10-04T18:00:00Z","abstract_excerpt":"We have conducted a search of a 9 deg$^{2}$ region of the CFHTLS around the Milky Way analog M101 (D$\\sim$7 Mpc), in order to look for previously unknown low surface brightness galaxies. This search has uncovered 38 new low surface brightness dwarf candidates, and confirmed 11 previously reported galaxies, all with central surface brightness $\\mu$(g,0)$>$23mag/arcsec$^{2}$, potentially extending the satellite luminosity function for the M101 group by $\\sim$1.2 magnitudes. The search was conducted using an algorithm that nearly automates the detection of diffuse dwarf galaxies. The candidates s"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.01728","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":"2026-05-18T00:28:52Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MkWMH28o9HOwTiRiwv71n4d0eXM2jjcBLaWocmTIX9Va8c21u3ComgKff6x2qP5cjNfeh5sa7QOzzdt+bteUBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T07:24:52.620036Z"},"content_sha256":"2d3bd84c86b410dbc63b86c3af7da87656f0635ac91ba52998e2a309b598b26a","schema_version":"1.0","event_id":"sha256:2d3bd84c86b410dbc63b86c3af7da87656f0635ac91ba52998e2a309b598b26a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZOP4JVKSIVH622R5VW7EODEZER/bundle.json","state_url":"https://pith.science/pith/ZOP4JVKSIVH622R5VW7EODEZER/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZOP4JVKSIVH622R5VW7EODEZER/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":"2026-05-26T07:24:52Z","links":{"resolver":"https://pith.science/pith/ZOP4JVKSIVH622R5VW7EODEZER","bundle":"https://pith.science/pith/ZOP4JVKSIVH622R5VW7EODEZER/bundle.json","state":"https://pith.science/pith/ZOP4JVKSIVH622R5VW7EODEZER/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZOP4JVKSIVH622R5VW7EODEZER/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:ZOP4JVKSIVH622R5VW7EODEZER","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":"c637fd41001ba91c591c2acf0d2eecf8552120d7f12e612adfa46f819c99b41a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-04T18:00:00Z","title_canon_sha256":"94213357aadd34f3b7cce2c9538171d4e2e925642b5f969a9022f76b73536109"},"schema_version":"1.0","source":{"id":"1710.01728","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1710.01728","created_at":"2026-05-18T00:28:52Z"},{"alias_kind":"arxiv_version","alias_value":"1710.01728v1","created_at":"2026-05-18T00:28:52Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1710.01728","created_at":"2026-05-18T00:28:52Z"},{"alias_kind":"pith_short_12","alias_value":"ZOP4JVKSIVH6","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_16","alias_value":"ZOP4JVKSIVH622R5","created_at":"2026-05-18T12:31:59Z"},{"alias_kind":"pith_short_8","alias_value":"ZOP4JVKS","created_at":"2026-05-18T12:31:59Z"}],"graph_snapshots":[{"event_id":"sha256:2d3bd84c86b410dbc63b86c3af7da87656f0635ac91ba52998e2a309b598b26a","target":"graph","created_at":"2026-05-18T00:28:52Z","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 have conducted a search of a 9 deg$^{2}$ region of the CFHTLS around the Milky Way analog M101 (D$\\sim$7 Mpc), in order to look for previously unknown low surface brightness galaxies. This search has uncovered 38 new low surface brightness dwarf candidates, and confirmed 11 previously reported galaxies, all with central surface brightness $\\mu$(g,0)$>$23mag/arcsec$^{2}$, potentially extending the satellite luminosity function for the M101 group by $\\sim$1.2 magnitudes. The search was conducted using an algorithm that nearly automates the detection of diffuse dwarf galaxies. The candidates s","authors_text":"2), (2) University of Arizona, (3) Royal Military College of Canada), A. Karunakaran (3) ((1) Texas Tech University, D. Crnojevi\\'c (1), D. J. Sand (1, D. Zaritsky (2), K. Spekkens (3), P. Bennet (1)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-04T18:00:00Z","title":"Discovery of diffuse dwarf galaxy candidates around M101"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1710.01728","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":"sha256:50eafee3d8afae05ab15fe60441006efe63b13502f689f4685f90283e5da4c9d","target":"record","created_at":"2026-05-18T00:28:52Z","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":"c637fd41001ba91c591c2acf0d2eecf8552120d7f12e612adfa46f819c99b41a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-10-04T18:00:00Z","title_canon_sha256":"94213357aadd34f3b7cce2c9538171d4e2e925642b5f969a9022f76b73536109"},"schema_version":"1.0","source":{"id":"1710.01728","kind":"arxiv","version":1}},"canonical_sha256":"cb9fc4d552454fed6a3dadbe470c99245232c5c7d90b8fd372e37c637be392e4","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"cb9fc4d552454fed6a3dadbe470c99245232c5c7d90b8fd372e37c637be392e4","first_computed_at":"2026-05-18T00:28:52.432489Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:28:52.432489Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0nbI9RpsW1hSA7YA5XxRoRSq3FOJc6uSgZ4ij7NO51SFMMGYCiteGiCXfwRcfYB3YLn7kDNUQJDiSYrJhx+OBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:28:52.433080Z","signed_message":"canonical_sha256_bytes"},"source_id":"1710.01728","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:50eafee3d8afae05ab15fe60441006efe63b13502f689f4685f90283e5da4c9d","sha256:2d3bd84c86b410dbc63b86c3af7da87656f0635ac91ba52998e2a309b598b26a"],"state_sha256":"c531688a536712c255a659edd89c00f1a2a5b2a628b87d4bae43a227d119972f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rFKMa92F98nOUwHM6kl2mrfR2pE7nxf+Pr+CPtP1TZ6LwpeUH6Q+AgB5o9LVS5NbJmtsEuJMJOsIiaaCCHqhDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T07:24:52.623531Z","bundle_sha256":"53c47b766ed41f3ac878ba0fad20c29fcdabd6f958ab38223b409a64debee239"}}