{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:LDLNHHADTEPYQUIL6RF5YAN6KM","short_pith_number":"pith:LDLNHHAD","canonical_record":{"source":{"id":"1104.4496","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-22T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"1b482552630e59e0c0b937469ebb859135bbef2420be8111dae4a9ade9708218","abstract_canon_sha256":"ba4a06818e40a9349979755bad289885afecdeee10ef9d6c158fa1351a4f3bbe"},"schema_version":"1.0"},"canonical_sha256":"58d6d39c03991f88510bf44bdc01be5317b0262f82b2db82c2924286089af7fa","source":{"kind":"arxiv","id":"1104.4496","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4496","created_at":"2026-05-18T02:22:01Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4496v1","created_at":"2026-05-18T02:22:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4496","created_at":"2026-05-18T02:22:01Z"},{"alias_kind":"pith_short_12","alias_value":"LDLNHHADTEPY","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LDLNHHADTEPYQUIL","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LDLNHHAD","created_at":"2026-05-18T12:26:34Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:LDLNHHADTEPYQUIL6RF5YAN6KM","target":"record","payload":{"canonical_record":{"source":{"id":"1104.4496","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-22T20:00:01Z","cross_cats_sorted":[],"title_canon_sha256":"1b482552630e59e0c0b937469ebb859135bbef2420be8111dae4a9ade9708218","abstract_canon_sha256":"ba4a06818e40a9349979755bad289885afecdeee10ef9d6c158fa1351a4f3bbe"},"schema_version":"1.0"},"canonical_sha256":"58d6d39c03991f88510bf44bdc01be5317b0262f82b2db82c2924286089af7fa","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:22:01.248951Z","signature_b64":"NGbU7UFYM39jpwqm6JTPAhyqB3z0NU38aAx6MuYn4j0z4oLGW/JC3qA7f/Qxv46dHqDNUulNiidMmgjFSBoSDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"58d6d39c03991f88510bf44bdc01be5317b0262f82b2db82c2924286089af7fa","last_reissued_at":"2026-05-18T02:22:01.247845Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:22:01.247845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1104.4496","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":"2026-05-18T02:22:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"R8lyPP4hGc2aE3NRERbLUMkleBoDz8XTKmtFM34b3bz2fpGJJ87tUCeJaU09E+pwE7+Ph5VnS83RV7hcoEqzDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:23:32.866878Z"},"content_sha256":"ebf1bf94a3b416304fe9f720df1e26340a80ec78018a6c358b60284e6d5a3b47","schema_version":"1.0","event_id":"sha256:ebf1bf94a3b416304fe9f720df1e26340a80ec78018a6c358b60284e6d5a3b47"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:LDLNHHADTEPYQUIL6RF5YAN6KM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Can Cosmological Accretion be Observed in H-alpha at z~2?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.CO","authors_text":"Lo\\\"ic Le Tiran, Matthew D. Lehnert, Nicole P. H. Nesvadba, Paola Di Matteo, Wim van Driel","submitted_at":"2011-04-22T20:00:01Z","abstract_excerpt":"In previous studies, it has been shown that the large line widths observed in high surface brightness H-alpha emitters at low and high redshifts are likely due to the mechanical energy injected by intense star formation. Here we discuss the possibility that the high surface brightnesses observed are not due to star formation, but due to cosmological gas accretion. We assume that all of the accretion energy is dissipated as shocks from the accreting gas. We show that in order to explain the high surface brightnesses both the mass accretion rate and energy would have to be much higher than expec"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4496","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":"2026-05-18T02:22:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pNV6RfHLSBdbN0NMuVUuzN0jJCokmkYYYMbe/Q5JfF2zv0k3K42t7OZFzQ0LfHA7RssWuXhuNMxcILJe5nV/BA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T18:23:32.867560Z"},"content_sha256":"c1eedfb2a7cf48b7bf27eeafef268803d8dc247df44034aa3e2d94e60b0fb9cb","schema_version":"1.0","event_id":"sha256:c1eedfb2a7cf48b7bf27eeafef268803d8dc247df44034aa3e2d94e60b0fb9cb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LDLNHHADTEPYQUIL6RF5YAN6KM/bundle.json","state_url":"https://pith.science/pith/LDLNHHADTEPYQUIL6RF5YAN6KM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LDLNHHADTEPYQUIL6RF5YAN6KM/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":"2026-05-25T18:23:32Z","links":{"resolver":"https://pith.science/pith/LDLNHHADTEPYQUIL6RF5YAN6KM","bundle":"https://pith.science/pith/LDLNHHADTEPYQUIL6RF5YAN6KM/bundle.json","state":"https://pith.science/pith/LDLNHHADTEPYQUIL6RF5YAN6KM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LDLNHHADTEPYQUIL6RF5YAN6KM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:LDLNHHADTEPYQUIL6RF5YAN6KM","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":"ba4a06818e40a9349979755bad289885afecdeee10ef9d6c158fa1351a4f3bbe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-22T20:00:01Z","title_canon_sha256":"1b482552630e59e0c0b937469ebb859135bbef2420be8111dae4a9ade9708218"},"schema_version":"1.0","source":{"id":"1104.4496","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1104.4496","created_at":"2026-05-18T02:22:01Z"},{"alias_kind":"arxiv_version","alias_value":"1104.4496v1","created_at":"2026-05-18T02:22:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1104.4496","created_at":"2026-05-18T02:22:01Z"},{"alias_kind":"pith_short_12","alias_value":"LDLNHHADTEPY","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_16","alias_value":"LDLNHHADTEPYQUIL","created_at":"2026-05-18T12:26:34Z"},{"alias_kind":"pith_short_8","alias_value":"LDLNHHAD","created_at":"2026-05-18T12:26:34Z"}],"graph_snapshots":[{"event_id":"sha256:c1eedfb2a7cf48b7bf27eeafef268803d8dc247df44034aa3e2d94e60b0fb9cb","target":"graph","created_at":"2026-05-18T02:22:01Z","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":"In previous studies, it has been shown that the large line widths observed in high surface brightness H-alpha emitters at low and high redshifts are likely due to the mechanical energy injected by intense star formation. Here we discuss the possibility that the high surface brightnesses observed are not due to star formation, but due to cosmological gas accretion. We assume that all of the accretion energy is dissipated as shocks from the accreting gas. We show that in order to explain the high surface brightnesses both the mass accretion rate and energy would have to be much higher than expec","authors_text":"Lo\\\"ic Le Tiran, Matthew D. Lehnert, Nicole P. H. Nesvadba, Paola Di Matteo, Wim van Driel","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-22T20:00:01Z","title":"Can Cosmological Accretion be Observed in H-alpha at z~2?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1104.4496","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:ebf1bf94a3b416304fe9f720df1e26340a80ec78018a6c358b60284e6d5a3b47","target":"record","created_at":"2026-05-18T02:22:01Z","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":"ba4a06818e40a9349979755bad289885afecdeee10ef9d6c158fa1351a4f3bbe","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2011-04-22T20:00:01Z","title_canon_sha256":"1b482552630e59e0c0b937469ebb859135bbef2420be8111dae4a9ade9708218"},"schema_version":"1.0","source":{"id":"1104.4496","kind":"arxiv","version":1}},"canonical_sha256":"58d6d39c03991f88510bf44bdc01be5317b0262f82b2db82c2924286089af7fa","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"58d6d39c03991f88510bf44bdc01be5317b0262f82b2db82c2924286089af7fa","first_computed_at":"2026-05-18T02:22:01.247845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:22:01.247845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NGbU7UFYM39jpwqm6JTPAhyqB3z0NU38aAx6MuYn4j0z4oLGW/JC3qA7f/Qxv46dHqDNUulNiidMmgjFSBoSDA==","signature_status":"signed_v1","signed_at":"2026-05-18T02:22:01.248951Z","signed_message":"canonical_sha256_bytes"},"source_id":"1104.4496","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ebf1bf94a3b416304fe9f720df1e26340a80ec78018a6c358b60284e6d5a3b47","sha256:c1eedfb2a7cf48b7bf27eeafef268803d8dc247df44034aa3e2d94e60b0fb9cb"],"state_sha256":"8f87b5966e6c599efb21eb0d66e8d30fde5fa62e68c10a8e619d14e5ae88726c"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3DO8pkRF76Pl2/7vQYLmIv6vtq4Nk/tKO4G/p3FxHF3EqRPaqsKHUoAlbXIHH9sJXB9MOylDYsdRZAwL/wnaAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T18:23:32.870568Z","bundle_sha256":"0d1ea609d3919da0c9c7eff2b016697d6bbce4c2227d618dfa1b4d331f20437d"}}