{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:IZKHXF3WNY2VUYRGER4K7I2INY","short_pith_number":"pith:IZKHXF3W","canonical_record":{"source":{"id":"1406.3574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-11T21:51:13Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"638c7b26c8eda79327f9aee7fd172571518943c1702bbba1805621b1a955baf7","abstract_canon_sha256":"b3e5453b6262bbe791d79b2925b988f3cc3c93c451937e331556a021ca360a09"},"schema_version":"1.0"},"canonical_sha256":"46547b97766e355a62262478afa3486e231d4b4adea48e1026e6438bf9f8b4d9","source":{"kind":"arxiv","id":"1406.3574","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.3574","created_at":"2026-05-18T02:41:24Z"},{"alias_kind":"arxiv_version","alias_value":"1406.3574v1","created_at":"2026-05-18T02:41:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.3574","created_at":"2026-05-18T02:41:24Z"},{"alias_kind":"pith_short_12","alias_value":"IZKHXF3WNY2V","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IZKHXF3WNY2VUYRG","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IZKHXF3W","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:IZKHXF3WNY2VUYRGER4K7I2INY","target":"record","payload":{"canonical_record":{"source":{"id":"1406.3574","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-11T21:51:13Z","cross_cats_sorted":["astro-ph.CO"],"title_canon_sha256":"638c7b26c8eda79327f9aee7fd172571518943c1702bbba1805621b1a955baf7","abstract_canon_sha256":"b3e5453b6262bbe791d79b2925b988f3cc3c93c451937e331556a021ca360a09"},"schema_version":"1.0"},"canonical_sha256":"46547b97766e355a62262478afa3486e231d4b4adea48e1026e6438bf9f8b4d9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:41:24.532237Z","signature_b64":"ui3dfYQTcjM8qSIS8eykjJ7lMjdURUx/hf6MK7PblLk/YgDyYcNfAM9vUi/Y71faDo9Gu7opVSggqhTdS8qhCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"46547b97766e355a62262478afa3486e231d4b4adea48e1026e6438bf9f8b4d9","last_reissued_at":"2026-05-18T02:41:24.531682Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:41:24.531682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1406.3574","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":"2026-05-18T02:41:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TB4YA2n35BMrG4N/dZFMgJxEFWuOpXiWDVgtAzroCTuGg0qr0lwXyzYN0i0iZXYqksEW4qojHCHNVPJvE/xXAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:34:44.849949Z"},"content_sha256":"0e0451efc452d744c014663d1820bbb9d5be70d4b433696ceeb35d174d1baf8d","schema_version":"1.0","event_id":"sha256:0e0451efc452d744c014663d1820bbb9d5be70d4b433696ceeb35d174d1baf8d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:IZKHXF3WNY2VUYRGER4K7I2INY","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A census of H$\\alpha$ emitters in the intergalactic medium of the NGC 2865 system","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.CO"],"primary_cat":"astro-ph.GA","authors_text":"C. Mendes de Oliveira, D. de Mello, E. R. Carrasco, F. Urrutia-Viscarra, M. Arnaboldi, O. Gerhard, S. Torres-Flores","submitted_at":"2014-06-11T21:51:13Z","abstract_excerpt":"Tidal debris which are rich in HI gas, formed in interacting and merging systems, are suitable laboratories to study star formation outside galaxies. Recently, several such systems were observed, which contained many young star forming regions outside the galaxies. In previous works, we have studied young star forming regions outside galaxies in different systems with optical and/or gaseous tidal debris, all of them with available archive GALEX/UV images, in order to understand how often they occur and in which type of environments. In this paper we searched for star forming regions around the"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.3574","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":"2026-05-18T02:41:24Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HRccT7UTQIPi1S100DFmvHgDVMTekRkQD/GiF/F4OhacFHIznqwQfNH+U6m4AsTfrCyVUbP+4l6xgrY8bl3IAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T03:34:44.850706Z"},"content_sha256":"2a1d35d78b2d9b71814d78db3ebc9ec40f760f9003b002a1c0fb28987b09b546","schema_version":"1.0","event_id":"sha256:2a1d35d78b2d9b71814d78db3ebc9ec40f760f9003b002a1c0fb28987b09b546"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IZKHXF3WNY2VUYRGER4K7I2INY/bundle.json","state_url":"https://pith.science/pith/IZKHXF3WNY2VUYRGER4K7I2INY/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IZKHXF3WNY2VUYRGER4K7I2INY/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":"2026-06-01T03:34:44Z","links":{"resolver":"https://pith.science/pith/IZKHXF3WNY2VUYRGER4K7I2INY","bundle":"https://pith.science/pith/IZKHXF3WNY2VUYRGER4K7I2INY/bundle.json","state":"https://pith.science/pith/IZKHXF3WNY2VUYRGER4K7I2INY/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IZKHXF3WNY2VUYRGER4K7I2INY/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:IZKHXF3WNY2VUYRGER4K7I2INY","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":"b3e5453b6262bbe791d79b2925b988f3cc3c93c451937e331556a021ca360a09","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-11T21:51:13Z","title_canon_sha256":"638c7b26c8eda79327f9aee7fd172571518943c1702bbba1805621b1a955baf7"},"schema_version":"1.0","source":{"id":"1406.3574","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1406.3574","created_at":"2026-05-18T02:41:24Z"},{"alias_kind":"arxiv_version","alias_value":"1406.3574v1","created_at":"2026-05-18T02:41:24Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1406.3574","created_at":"2026-05-18T02:41:24Z"},{"alias_kind":"pith_short_12","alias_value":"IZKHXF3WNY2V","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"IZKHXF3WNY2VUYRG","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"IZKHXF3W","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:2a1d35d78b2d9b71814d78db3ebc9ec40f760f9003b002a1c0fb28987b09b546","target":"graph","created_at":"2026-05-18T02:41:24Z","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":"Tidal debris which are rich in HI gas, formed in interacting and merging systems, are suitable laboratories to study star formation outside galaxies. Recently, several such systems were observed, which contained many young star forming regions outside the galaxies. In previous works, we have studied young star forming regions outside galaxies in different systems with optical and/or gaseous tidal debris, all of them with available archive GALEX/UV images, in order to understand how often they occur and in which type of environments. In this paper we searched for star forming regions around the","authors_text":"C. Mendes de Oliveira, D. de Mello, E. R. Carrasco, F. Urrutia-Viscarra, M. Arnaboldi, O. Gerhard, S. Torres-Flores","cross_cats":["astro-ph.CO"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-11T21:51:13Z","title":"A census of H$\\alpha$ emitters in the intergalactic medium of the NGC 2865 system"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1406.3574","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":"sha256:0e0451efc452d744c014663d1820bbb9d5be70d4b433696ceeb35d174d1baf8d","target":"record","created_at":"2026-05-18T02:41:24Z","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":"b3e5453b6262bbe791d79b2925b988f3cc3c93c451937e331556a021ca360a09","cross_cats_sorted":["astro-ph.CO"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-06-11T21:51:13Z","title_canon_sha256":"638c7b26c8eda79327f9aee7fd172571518943c1702bbba1805621b1a955baf7"},"schema_version":"1.0","source":{"id":"1406.3574","kind":"arxiv","version":1}},"canonical_sha256":"46547b97766e355a62262478afa3486e231d4b4adea48e1026e6438bf9f8b4d9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"46547b97766e355a62262478afa3486e231d4b4adea48e1026e6438bf9f8b4d9","first_computed_at":"2026-05-18T02:41:24.531682Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:41:24.531682Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ui3dfYQTcjM8qSIS8eykjJ7lMjdURUx/hf6MK7PblLk/YgDyYcNfAM9vUi/Y71faDo9Gu7opVSggqhTdS8qhCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:41:24.532237Z","signed_message":"canonical_sha256_bytes"},"source_id":"1406.3574","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0e0451efc452d744c014663d1820bbb9d5be70d4b433696ceeb35d174d1baf8d","sha256:2a1d35d78b2d9b71814d78db3ebc9ec40f760f9003b002a1c0fb28987b09b546"],"state_sha256":"a9dd902b53f7ce259d76ce73d6f790e468d1fbfe71f3017b63ccece8fe76cde6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YMKYH9nYHGBHLkx4CuFxlfUvVvLq7+iX6EThTxot4d5P/o7farNDm5RKrDY7Cjx6xB/8fLDtbBeYWHjXpYO8CQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T03:34:44.854020Z","bundle_sha256":"cef4b8cacbff8ee2f14c58f5491c8fc5b9c7ee10dcf6dfa0ab2177df60ea599d"}}