{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2007:3JHIETNO3BSSOJTL6XBD5V76ZK","short_pith_number":"pith:3JHIETNO","canonical_record":{"source":{"id":"astro-ph/0703002","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-03-01T10:32:45Z","cross_cats_sorted":[],"title_canon_sha256":"c549a631accc553c5f24a9bb18cc194b2eb766a34707f52b73c2e4d27e75e7b3","abstract_canon_sha256":"ad9f2c7fd3da995423bb50232c87a5547963bbfa2ee9cb4ecfef591c0b4773e9"},"schema_version":"1.0"},"canonical_sha256":"da4e824daed86527266bf5c23ed7feca8415c23bb7d1a6eb40dc8eaf562c33e0","source":{"kind":"arxiv","id":"astro-ph/0703002","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0703002","created_at":"2026-07-04T17:07:43Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0703002v1","created_at":"2026-07-04T17:07:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0703002","created_at":"2026-07-04T17:07:43Z"},{"alias_kind":"pith_short_12","alias_value":"3JHIETNO3BSS","created_at":"2026-07-04T17:07:43Z"},{"alias_kind":"pith_short_16","alias_value":"3JHIETNO3BSSOJTL","created_at":"2026-07-04T17:07:43Z"},{"alias_kind":"pith_short_8","alias_value":"3JHIETNO","created_at":"2026-07-04T17:07:43Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2007:3JHIETNO3BSSOJTL6XBD5V76ZK","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0703002","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2007-03-01T10:32:45Z","cross_cats_sorted":[],"title_canon_sha256":"c549a631accc553c5f24a9bb18cc194b2eb766a34707f52b73c2e4d27e75e7b3","abstract_canon_sha256":"ad9f2c7fd3da995423bb50232c87a5547963bbfa2ee9cb4ecfef591c0b4773e9"},"schema_version":"1.0"},"canonical_sha256":"da4e824daed86527266bf5c23ed7feca8415c23bb7d1a6eb40dc8eaf562c33e0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T17:07:43.643546Z","signature_b64":"JhhmXJpsAJTgKARDn/AKjnchIyX0JauCwB5YSuuNjVOKQC12N43CEeCvBi06PaszO8qzRhuO5VJgfwdmAJomAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"da4e824daed86527266bf5c23ed7feca8415c23bb7d1a6eb40dc8eaf562c33e0","last_reissued_at":"2026-07-04T17:07:43.643138Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T17:07:43.643138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0703002","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":"2026-07-04T17:07:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TiM3kJ/JPNZwdQ5mhmecl8XZJIX/j4uhvbRcisDzSYQBM81ugshiYtrNNr4XDU7/e8JpliD8k5VT0aW+vTvcBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:13:38.687184Z"},"content_sha256":"e0df206b91872a7c2b7aeb651f54b10c531c985d692aec5a1065d977a7da79e7","schema_version":"1.0","event_id":"sha256:e0df206b91872a7c2b7aeb651f54b10c531c985d692aec5a1065d977a7da79e7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2007:3JHIETNO3BSSOJTL6XBD5V76ZK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Polychromatic View of Intergalactic Star Formation in NGC 5291","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"E. Brinks, J. Braine, M. Boquien, P.-A. Duc, U. Lisenfeld, V. Charmandaris","submitted_at":"2007-03-01T10:32:45Z","abstract_excerpt":"Star formation (SF) takes place in unusual places such as way out in the intergalactic medium out of material expelled from parent galaxies. We wish to answer whether SF proceeds in this specific environment in a similar way than in galactic disks. We have carried out a multiwavelength analysis of the interacting system NGC 5291, which is remarkable for its extended HI ring hosting numerous intergalactic HII regions. We combined new ultraviolet (GALEX) observations with archival Halpha, 8 mu m (Spitzer Space Telescope) and HI (VLA B-array) images of the system. We have found that the morpholog"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0703002","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/astro-ph/0703002/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":"2026-07-04T17:07:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HxNedaIz/+CQlR/o5TkCQJMU5HKeC4/4IMrWuIb7AdijtOOAoFE41dmM6Z4S042LYNYsTNnI7OVqrKHErAOVAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-06T04:13:38.687676Z"},"content_sha256":"3c07dc9aa4aaf26099fc0f25fba00653f7cbb60e45bf022159e092d0ede189bf","schema_version":"1.0","event_id":"sha256:3c07dc9aa4aaf26099fc0f25fba00653f7cbb60e45bf022159e092d0ede189bf"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3JHIETNO3BSSOJTL6XBD5V76ZK/bundle.json","state_url":"https://pith.science/pith/3JHIETNO3BSSOJTL6XBD5V76ZK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3JHIETNO3BSSOJTL6XBD5V76ZK/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":"2026-08-06T04:13:38Z","links":{"resolver":"https://pith.science/pith/3JHIETNO3BSSOJTL6XBD5V76ZK","bundle":"https://pith.science/pith/3JHIETNO3BSSOJTL6XBD5V76ZK/bundle.json","state":"https://pith.science/pith/3JHIETNO3BSSOJTL6XBD5V76ZK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3JHIETNO3BSSOJTL6XBD5V76ZK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2007:3JHIETNO3BSSOJTL6XBD5V76ZK","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":"ad9f2c7fd3da995423bb50232c87a5547963bbfa2ee9cb4ecfef591c0b4773e9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-03-01T10:32:45Z","title_canon_sha256":"c549a631accc553c5f24a9bb18cc194b2eb766a34707f52b73c2e4d27e75e7b3"},"schema_version":"1.0","source":{"id":"astro-ph/0703002","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0703002","created_at":"2026-07-04T17:07:43Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0703002v1","created_at":"2026-07-04T17:07:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0703002","created_at":"2026-07-04T17:07:43Z"},{"alias_kind":"pith_short_12","alias_value":"3JHIETNO3BSS","created_at":"2026-07-04T17:07:43Z"},{"alias_kind":"pith_short_16","alias_value":"3JHIETNO3BSSOJTL","created_at":"2026-07-04T17:07:43Z"},{"alias_kind":"pith_short_8","alias_value":"3JHIETNO","created_at":"2026-07-04T17:07:43Z"}],"graph_snapshots":[{"event_id":"sha256:3c07dc9aa4aaf26099fc0f25fba00653f7cbb60e45bf022159e092d0ede189bf","target":"graph","created_at":"2026-07-04T17:07:43Z","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/astro-ph/0703002/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Star formation (SF) takes place in unusual places such as way out in the intergalactic medium out of material expelled from parent galaxies. We wish to answer whether SF proceeds in this specific environment in a similar way than in galactic disks. We have carried out a multiwavelength analysis of the interacting system NGC 5291, which is remarkable for its extended HI ring hosting numerous intergalactic HII regions. We combined new ultraviolet (GALEX) observations with archival Halpha, 8 mu m (Spitzer Space Telescope) and HI (VLA B-array) images of the system. We have found that the morpholog","authors_text":"E. Brinks, J. Braine, M. Boquien, P.-A. Duc, U. Lisenfeld, V. Charmandaris","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2007-03-01T10:32:45Z","title":"Polychromatic View of Intergalactic Star Formation in NGC 5291"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0703002","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:e0df206b91872a7c2b7aeb651f54b10c531c985d692aec5a1065d977a7da79e7","target":"record","created_at":"2026-07-04T17:07:43Z","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":"ad9f2c7fd3da995423bb50232c87a5547963bbfa2ee9cb4ecfef591c0b4773e9","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2007-03-01T10:32:45Z","title_canon_sha256":"c549a631accc553c5f24a9bb18cc194b2eb766a34707f52b73c2e4d27e75e7b3"},"schema_version":"1.0","source":{"id":"astro-ph/0703002","kind":"arxiv","version":1}},"canonical_sha256":"da4e824daed86527266bf5c23ed7feca8415c23bb7d1a6eb40dc8eaf562c33e0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"da4e824daed86527266bf5c23ed7feca8415c23bb7d1a6eb40dc8eaf562c33e0","first_computed_at":"2026-07-04T17:07:43.643138Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-04T17:07:43.643138Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"JhhmXJpsAJTgKARDn/AKjnchIyX0JauCwB5YSuuNjVOKQC12N43CEeCvBi06PaszO8qzRhuO5VJgfwdmAJomAA==","signature_status":"signed_v1","signed_at":"2026-07-04T17:07:43.643546Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0703002","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e0df206b91872a7c2b7aeb651f54b10c531c985d692aec5a1065d977a7da79e7","sha256:3c07dc9aa4aaf26099fc0f25fba00653f7cbb60e45bf022159e092d0ede189bf"],"state_sha256":"d3949b7eae8cbc8a7043bf857640f5aeaef7c35c75f9d608cd2be8038551d057"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"INOx6YlYN2GeHuKy8Ksf9rYd4tAA9Unu/o6BWm8nlb7tdMWhFJ8IIlVWnAJ6gTa4Vs/PHvC5/yOUwq/EKwYFAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-06T04:13:38.691456Z","bundle_sha256":"ed1e2552d0a86800ccd0b6dc53889bda31f829e25e2c9821ad80c1f02e8169cd"}}