{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:L7XA2QZWQYXLBBEVZNNLTRETFT","short_pith_number":"pith:L7XA2QZW","canonical_record":{"source":{"id":"1703.07989","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-23T10:24:23Z","cross_cats_sorted":[],"title_canon_sha256":"4804229b93c4a0f13b92240ad9fe8c2c5cf6fb3a2c5b7e26e43c9d56578218a2","abstract_canon_sha256":"4852158e8ead5c4cbf75c6d82d804c2a1cf95b259a922d4519aeafb69bff7ddd"},"schema_version":"1.0"},"canonical_sha256":"5fee0d4336862eb08495cb5ab9c4932ccda837a6695161ff50bc88163a42153a","source":{"kind":"arxiv","id":"1703.07989","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.07989","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"arxiv_version","alias_value":"1703.07989v1","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.07989","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"pith_short_12","alias_value":"L7XA2QZWQYXL","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"L7XA2QZWQYXLBBEV","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"L7XA2QZW","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:L7XA2QZWQYXLBBEVZNNLTRETFT","target":"record","payload":{"canonical_record":{"source":{"id":"1703.07989","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-23T10:24:23Z","cross_cats_sorted":[],"title_canon_sha256":"4804229b93c4a0f13b92240ad9fe8c2c5cf6fb3a2c5b7e26e43c9d56578218a2","abstract_canon_sha256":"4852158e8ead5c4cbf75c6d82d804c2a1cf95b259a922d4519aeafb69bff7ddd"},"schema_version":"1.0"},"canonical_sha256":"5fee0d4336862eb08495cb5ab9c4932ccda837a6695161ff50bc88163a42153a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:46:12.112978Z","signature_b64":"anAdfFMP5p83wWAYv4G1T22sDHczHfyf9iSlbM1wr9EQGAHOCmsZPlFFcp5BBoOgJn4rRuoWh+w/BHAdMiZBBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5fee0d4336862eb08495cb5ab9c4932ccda837a6695161ff50bc88163a42153a","last_reissued_at":"2026-05-18T00:46:12.112529Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:46:12.112529Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1703.07989","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":"2026-05-18T00:46:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ats1lJDsN4ZM4iLykrEd4zA+Z5Efjse1zQdwMkHwiZncAV6A8rs0k5Mrb4u7ZbRDyIgtUeG/HM8S/oc3foflBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:12:24.627146Z"},"content_sha256":"58fec9eb5fc157ee7bcd9cdfea0af6355e978088327d14ee6f897211c170b2b3","schema_version":"1.0","event_id":"sha256:58fec9eb5fc157ee7bcd9cdfea0af6355e978088327d14ee6f897211c170b2b3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:L7XA2QZWQYXLBBEVZNNLTRETFT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Fornax Deep Survey with VST. II. Fornax A: a two-phase assembly caught on act","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"A. Grado, A. Venhola T. Lisker, E. Iodice, G. van de Ven, J. Falcon-Barroso, L. Limatola, M. Cantiello, M. Capaccioli, M. Hilker, M. Paolillo, M. Spavone, N. R. Napolitano, P. Schipani, R. d'Abrusco, R. F. Peletier, S. Mieske, T. Richtler","submitted_at":"2017-03-23T10:24:23Z","abstract_excerpt":"As part of the Fornax Deep Survey with the ESO VLT Survey Telescope, we present new $g$ and $r$ bands mosaics of the SW group of the Fornax cluster. It covers an area of $3 \\times 2$ square degrees around the central galaxy NGC1316. The deep photometry, the high spatial resolution of OmegaCam and the large covered area allow us to study the galaxy structure, to trace stellar halo formation and look at the galaxy environment. We map the surface brightness profile out to 33arcmin ($\\sim 200$kpc $\\sim15R_e$) from the galaxy centre, down to $\\mu_g \\sim 31$ mag arcsec$^{-2}$ and $\\mu_r \\sim 29$ mag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.07989","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":"2026-05-18T00:46:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dMO3xQsDU+ZGOrGVi1erwh2JLTk+FL6P6nfAQFSwlKwXlQRzyCGggJf36pWjL7MSFd2cptIn3ZTjG3l3JMgZAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T21:12:24.627741Z"},"content_sha256":"76bfa00baa83158d44784bb141cf4cb4f2f3696164560ffb1265f66fd08ed9aa","schema_version":"1.0","event_id":"sha256:76bfa00baa83158d44784bb141cf4cb4f2f3696164560ffb1265f66fd08ed9aa"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L7XA2QZWQYXLBBEVZNNLTRETFT/bundle.json","state_url":"https://pith.science/pith/L7XA2QZWQYXLBBEVZNNLTRETFT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L7XA2QZWQYXLBBEVZNNLTRETFT/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":"2026-05-27T21:12:24Z","links":{"resolver":"https://pith.science/pith/L7XA2QZWQYXLBBEVZNNLTRETFT","bundle":"https://pith.science/pith/L7XA2QZWQYXLBBEVZNNLTRETFT/bundle.json","state":"https://pith.science/pith/L7XA2QZWQYXLBBEVZNNLTRETFT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L7XA2QZWQYXLBBEVZNNLTRETFT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:L7XA2QZWQYXLBBEVZNNLTRETFT","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":"4852158e8ead5c4cbf75c6d82d804c2a1cf95b259a922d4519aeafb69bff7ddd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-23T10:24:23Z","title_canon_sha256":"4804229b93c4a0f13b92240ad9fe8c2c5cf6fb3a2c5b7e26e43c9d56578218a2"},"schema_version":"1.0","source":{"id":"1703.07989","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1703.07989","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"arxiv_version","alias_value":"1703.07989v1","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1703.07989","created_at":"2026-05-18T00:46:12Z"},{"alias_kind":"pith_short_12","alias_value":"L7XA2QZWQYXL","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"L7XA2QZWQYXLBBEV","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"L7XA2QZW","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:76bfa00baa83158d44784bb141cf4cb4f2f3696164560ffb1265f66fd08ed9aa","target":"graph","created_at":"2026-05-18T00:46:12Z","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":"As part of the Fornax Deep Survey with the ESO VLT Survey Telescope, we present new $g$ and $r$ bands mosaics of the SW group of the Fornax cluster. It covers an area of $3 \\times 2$ square degrees around the central galaxy NGC1316. The deep photometry, the high spatial resolution of OmegaCam and the large covered area allow us to study the galaxy structure, to trace stellar halo formation and look at the galaxy environment. We map the surface brightness profile out to 33arcmin ($\\sim 200$kpc $\\sim15R_e$) from the galaxy centre, down to $\\mu_g \\sim 31$ mag arcsec$^{-2}$ and $\\mu_r \\sim 29$ mag","authors_text":"A. Grado, A. Venhola T. Lisker, E. Iodice, G. van de Ven, J. Falcon-Barroso, L. Limatola, M. Cantiello, M. Capaccioli, M. Hilker, M. Paolillo, M. Spavone, N. R. Napolitano, P. Schipani, R. d'Abrusco, R. F. Peletier, S. Mieske, T. Richtler","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-23T10:24:23Z","title":"The Fornax Deep Survey with VST. II. Fornax A: a two-phase assembly caught on act"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1703.07989","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":"sha256:58fec9eb5fc157ee7bcd9cdfea0af6355e978088327d14ee6f897211c170b2b3","target":"record","created_at":"2026-05-18T00:46:12Z","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":"4852158e8ead5c4cbf75c6d82d804c2a1cf95b259a922d4519aeafb69bff7ddd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2017-03-23T10:24:23Z","title_canon_sha256":"4804229b93c4a0f13b92240ad9fe8c2c5cf6fb3a2c5b7e26e43c9d56578218a2"},"schema_version":"1.0","source":{"id":"1703.07989","kind":"arxiv","version":1}},"canonical_sha256":"5fee0d4336862eb08495cb5ab9c4932ccda837a6695161ff50bc88163a42153a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5fee0d4336862eb08495cb5ab9c4932ccda837a6695161ff50bc88163a42153a","first_computed_at":"2026-05-18T00:46:12.112529Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:46:12.112529Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"anAdfFMP5p83wWAYv4G1T22sDHczHfyf9iSlbM1wr9EQGAHOCmsZPlFFcp5BBoOgJn4rRuoWh+w/BHAdMiZBBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:46:12.112978Z","signed_message":"canonical_sha256_bytes"},"source_id":"1703.07989","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:58fec9eb5fc157ee7bcd9cdfea0af6355e978088327d14ee6f897211c170b2b3","sha256:76bfa00baa83158d44784bb141cf4cb4f2f3696164560ffb1265f66fd08ed9aa"],"state_sha256":"57c30b405ab7b90506842a77af136ded04ee2db6d2a69b94b11bcc8fbdf52218"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"kKOK6iQmijEDiHtH6GvejygvDM5O9OIr+PfK89QCQaxMd9eUuOeLpfm0NN4YmiYp31C6wwjmBbLz0HbfkadfBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T21:12:24.631083Z","bundle_sha256":"83572c156bb460b22f0d6e0c793955ba486f39b7ffc5bec02f07d750304129d8"}}