{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:ES6UBG3GNNBUGVNZ3J4C2Y4QCM","short_pith_number":"pith:ES6UBG3G","canonical_record":{"source":{"id":"1410.7464","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-28T00:34:05Z","cross_cats_sorted":[],"title_canon_sha256":"dade0f6bfba057fb00d633590c1a453ad136d520e96417a7f6736897786ceb33","abstract_canon_sha256":"f6f45bb22361508d2e006bbeaa308495c261a4853dec64994e82d99904a6851d"},"schema_version":"1.0"},"canonical_sha256":"24bd409b666b434355b9da782d63901336d8af553c1ae71fd8a3fcbfea24be15","source":{"kind":"arxiv","id":"1410.7464","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.7464","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"arxiv_version","alias_value":"1410.7464v1","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.7464","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"pith_short_12","alias_value":"ES6UBG3GNNBU","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"ES6UBG3GNNBUGVNZ","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"ES6UBG3G","created_at":"2026-05-18T12:28:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:ES6UBG3GNNBUGVNZ3J4C2Y4QCM","target":"record","payload":{"canonical_record":{"source":{"id":"1410.7464","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-28T00:34:05Z","cross_cats_sorted":[],"title_canon_sha256":"dade0f6bfba057fb00d633590c1a453ad136d520e96417a7f6736897786ceb33","abstract_canon_sha256":"f6f45bb22361508d2e006bbeaa308495c261a4853dec64994e82d99904a6851d"},"schema_version":"1.0"},"canonical_sha256":"24bd409b666b434355b9da782d63901336d8af553c1ae71fd8a3fcbfea24be15","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:39.453150Z","signature_b64":"lSYE1Ah1inZu4ZS1TKCjbTdqS6wVfYGSeUeCRMCm8fI4tgzBUZ5qsiYaZm92mK1AbIKD8h934apeEJFsQvqKCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"24bd409b666b434355b9da782d63901336d8af553c1ae71fd8a3fcbfea24be15","last_reissued_at":"2026-05-18T01:41:39.452619Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:39.452619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1410.7464","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":"2026-05-18T01:41:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6aCzipZCuSaudSwwCzQfjwSYLPeNbVfo3nTO3WUm0FWBciSGst4GUBCAcxR4ahAO8ROb118lfTM7Kfs5L9kYCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T12:12:06.606940Z"},"content_sha256":"ce84adb7056ca3e0b438f273cf0d03405a447bc4f694575bdfea951a1423e797","schema_version":"1.0","event_id":"sha256:ce84adb7056ca3e0b438f273cf0d03405a447bc4f694575bdfea951a1423e797"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:ES6UBG3GNNBUGVNZ3J4C2Y4QCM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"HIGHz: A Survey of the Most HI-Massive Galaxies at z~0.2","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Barbara Catinella, Luca Cortese","submitted_at":"2014-10-28T00:34:05Z","abstract_excerpt":"We present the results of the HIGHz Arecibo survey, which measured the HI content of 39 galaxies at redshift $z>0.16$ selected from the Sloan Digital Sky Survey. These are all actively star-forming, disk-dominated systems in relatively isolated environments, with stellar and HI masses larger than $10^{10}$ M$_\\odot$ and redshifts $0.17\\leq z\\leq 0.25$. Our sample includes not only the highest-redshift detections of HI emission from individual galaxies to date, but also some of the most HI-massive systems known. Despite being exceptionally large, the HI reservoirs of these galaxies are consiste"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.7464","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":"2026-05-18T01:41:39Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BNwzwI+zpAkLbLZUrOLWCn7o+k9lSCXwAj9gp9HmLUjIlw0f6OcVFOfwHfSj0Vu6/Fddo/tI43uj06JExHYtCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T12:12:06.607422Z"},"content_sha256":"5b7891e140dbb38d6517218d6d61771bf9ad68ef73f6f16f42ad05931b63f38e","schema_version":"1.0","event_id":"sha256:5b7891e140dbb38d6517218d6d61771bf9ad68ef73f6f16f42ad05931b63f38e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ES6UBG3GNNBUGVNZ3J4C2Y4QCM/bundle.json","state_url":"https://pith.science/pith/ES6UBG3GNNBUGVNZ3J4C2Y4QCM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ES6UBG3GNNBUGVNZ3J4C2Y4QCM/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":"2026-08-10T12:12:06Z","links":{"resolver":"https://pith.science/pith/ES6UBG3GNNBUGVNZ3J4C2Y4QCM","bundle":"https://pith.science/pith/ES6UBG3GNNBUGVNZ3J4C2Y4QCM/bundle.json","state":"https://pith.science/pith/ES6UBG3GNNBUGVNZ3J4C2Y4QCM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ES6UBG3GNNBUGVNZ3J4C2Y4QCM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:ES6UBG3GNNBUGVNZ3J4C2Y4QCM","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":"f6f45bb22361508d2e006bbeaa308495c261a4853dec64994e82d99904a6851d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-28T00:34:05Z","title_canon_sha256":"dade0f6bfba057fb00d633590c1a453ad136d520e96417a7f6736897786ceb33"},"schema_version":"1.0","source":{"id":"1410.7464","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1410.7464","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"arxiv_version","alias_value":"1410.7464v1","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1410.7464","created_at":"2026-05-18T01:41:39Z"},{"alias_kind":"pith_short_12","alias_value":"ES6UBG3GNNBU","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_16","alias_value":"ES6UBG3GNNBUGVNZ","created_at":"2026-05-18T12:28:28Z"},{"alias_kind":"pith_short_8","alias_value":"ES6UBG3G","created_at":"2026-05-18T12:28:28Z"}],"graph_snapshots":[{"event_id":"sha256:5b7891e140dbb38d6517218d6d61771bf9ad68ef73f6f16f42ad05931b63f38e","target":"graph","created_at":"2026-05-18T01:41:39Z","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 present the results of the HIGHz Arecibo survey, which measured the HI content of 39 galaxies at redshift $z>0.16$ selected from the Sloan Digital Sky Survey. These are all actively star-forming, disk-dominated systems in relatively isolated environments, with stellar and HI masses larger than $10^{10}$ M$_\\odot$ and redshifts $0.17\\leq z\\leq 0.25$. Our sample includes not only the highest-redshift detections of HI emission from individual galaxies to date, but also some of the most HI-massive systems known. Despite being exceptionally large, the HI reservoirs of these galaxies are consiste","authors_text":"Barbara Catinella, Luca Cortese","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-28T00:34:05Z","title":"HIGHz: A Survey of the Most HI-Massive Galaxies at z~0.2"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1410.7464","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:ce84adb7056ca3e0b438f273cf0d03405a447bc4f694575bdfea951a1423e797","target":"record","created_at":"2026-05-18T01:41:39Z","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":"f6f45bb22361508d2e006bbeaa308495c261a4853dec64994e82d99904a6851d","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-10-28T00:34:05Z","title_canon_sha256":"dade0f6bfba057fb00d633590c1a453ad136d520e96417a7f6736897786ceb33"},"schema_version":"1.0","source":{"id":"1410.7464","kind":"arxiv","version":1}},"canonical_sha256":"24bd409b666b434355b9da782d63901336d8af553c1ae71fd8a3fcbfea24be15","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"24bd409b666b434355b9da782d63901336d8af553c1ae71fd8a3fcbfea24be15","first_computed_at":"2026-05-18T01:41:39.452619Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:39.452619Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"lSYE1Ah1inZu4ZS1TKCjbTdqS6wVfYGSeUeCRMCm8fI4tgzBUZ5qsiYaZm92mK1AbIKD8h934apeEJFsQvqKCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:39.453150Z","signed_message":"canonical_sha256_bytes"},"source_id":"1410.7464","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ce84adb7056ca3e0b438f273cf0d03405a447bc4f694575bdfea951a1423e797","sha256:5b7891e140dbb38d6517218d6d61771bf9ad68ef73f6f16f42ad05931b63f38e"],"state_sha256":"1aa86f01fdd630bcc68c0f92db633d7f8c639a76179ed99198a43782ee2a3931"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RLqkYROC+lopjcGsQGQbvNEqh6vyRy0nlKkBXr4r73ao9+GYF9/YV2Rg5+Ec8srnWsCcQiE7fZByirDuze1uDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T12:12:06.611327Z","bundle_sha256":"53df49c2f84de4e7b42d1e746685dd4cf1dbfcb4b0d20315ca7ca27d000e4885"}}