{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2000:JUX4GZW5M6OCLJBI3DEWOU5VOC","short_pith_number":"pith:JUX4GZW5","canonical_record":{"source":{"id":"astro-ph/0007205","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-07-14T19:31:11Z","cross_cats_sorted":[],"title_canon_sha256":"20de7a09039ff0f8feab5cc9b2bc9826135c52f8a8bb63c1b0ad1a6b14b38c07","abstract_canon_sha256":"6d7c161de48524a01fd2143decdb8657ced90be23f7d5a23d16d693ca70bfe6c"},"schema_version":"1.0"},"canonical_sha256":"4d2fc366dd679c25a428d8c96753b570a17b7bd6dd82d8be1a302752af03aa66","source":{"kind":"arxiv","id":"astro-ph/0007205","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0007205","created_at":"2026-05-18T04:37:11Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0007205v1","created_at":"2026-05-18T04:37:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0007205","created_at":"2026-05-18T04:37:11Z"},{"alias_kind":"pith_short_12","alias_value":"JUX4GZW5M6OC","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"JUX4GZW5M6OCLJBI","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"JUX4GZW5","created_at":"2026-05-18T12:25:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2000:JUX4GZW5M6OCLJBI3DEWOU5VOC","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0007205","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2000-07-14T19:31:11Z","cross_cats_sorted":[],"title_canon_sha256":"20de7a09039ff0f8feab5cc9b2bc9826135c52f8a8bb63c1b0ad1a6b14b38c07","abstract_canon_sha256":"6d7c161de48524a01fd2143decdb8657ced90be23f7d5a23d16d693ca70bfe6c"},"schema_version":"1.0"},"canonical_sha256":"4d2fc366dd679c25a428d8c96753b570a17b7bd6dd82d8be1a302752af03aa66","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:37:11.941956Z","signature_b64":"N6+UnGnOw1VvBlLNXFtepzRwTa8fcaROsf2cdS1mx97LyK59+eatSfgiSRZKwNzMtrBSmA74OEkxvsrrtzBjCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4d2fc366dd679c25a428d8c96753b570a17b7bd6dd82d8be1a302752af03aa66","last_reissued_at":"2026-05-18T04:37:11.941450Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:37:11.941450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0007205","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":"2026-05-18T04:37:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BlG1owoSwXX0xNxe4GmEQ6WGT4S1/Pk8EHi71RM+BZhMVhRCjrR+M8DYEwh03PFZ6zHY8t6ccpuKsZ1uXSG5Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:18:16.014978Z"},"content_sha256":"87e3fa89c671a9a70655cf0c9dbb5c1315ac357f57866dca0f35c449d2f1d6f1","schema_version":"1.0","event_id":"sha256:87e3fa89c671a9a70655cf0c9dbb5c1315ac357f57866dca0f35c449d2f1d6f1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2000:JUX4GZW5M6OCLJBI3DEWOU5VOC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Cooling Radiation and the Lyman-alpha Luminosity of Forming Galaxies","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"David H. Weinberg, Jeffrey P. Gardner, Lars Hernquist, Mark A. Fardal, Neal Katz, Romeel Dav\\'e","submitted_at":"2000-07-14T19:31:11Z","abstract_excerpt":"We examine the cooling radiation from forming galaxies in hydrodynamic simulations of the LCDM model (cold dark matter with a cosmological constant), focusing on the Ly-alpha line luminosities of high-redshift systems. Primordial composition gas condenses within dark matter potential wells, forming objects with masses and sizes comparable to the luminous regions of observed galaxies. As expected, the energy radiated in this process is comparable to the gravitational binding energy of the baryons, and the total cooling luminosity of the galaxy population peaks at z ~= 2. However, in contrast to"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0007205","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":"2026-05-18T04:37:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VK4hu4dkgBcWGAmh/nVX85FvusutvseU6v5RWtZnWLDyI9+a9/p00ItYdnqpeTu82C6nKJ549ubdLjXYhnafCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T21:18:16.015352Z"},"content_sha256":"601e815f1ad587c78fb338f89072eb9b3ca7faca8b597ee5d425f73e32380063","schema_version":"1.0","event_id":"sha256:601e815f1ad587c78fb338f89072eb9b3ca7faca8b597ee5d425f73e32380063"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JUX4GZW5M6OCLJBI3DEWOU5VOC/bundle.json","state_url":"https://pith.science/pith/JUX4GZW5M6OCLJBI3DEWOU5VOC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JUX4GZW5M6OCLJBI3DEWOU5VOC/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":"2026-05-25T21:18:16Z","links":{"resolver":"https://pith.science/pith/JUX4GZW5M6OCLJBI3DEWOU5VOC","bundle":"https://pith.science/pith/JUX4GZW5M6OCLJBI3DEWOU5VOC/bundle.json","state":"https://pith.science/pith/JUX4GZW5M6OCLJBI3DEWOU5VOC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JUX4GZW5M6OCLJBI3DEWOU5VOC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2000:JUX4GZW5M6OCLJBI3DEWOU5VOC","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":"6d7c161de48524a01fd2143decdb8657ced90be23f7d5a23d16d693ca70bfe6c","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-07-14T19:31:11Z","title_canon_sha256":"20de7a09039ff0f8feab5cc9b2bc9826135c52f8a8bb63c1b0ad1a6b14b38c07"},"schema_version":"1.0","source":{"id":"astro-ph/0007205","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0007205","created_at":"2026-05-18T04:37:11Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0007205v1","created_at":"2026-05-18T04:37:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0007205","created_at":"2026-05-18T04:37:11Z"},{"alias_kind":"pith_short_12","alias_value":"JUX4GZW5M6OC","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_16","alias_value":"JUX4GZW5M6OCLJBI","created_at":"2026-05-18T12:25:50Z"},{"alias_kind":"pith_short_8","alias_value":"JUX4GZW5","created_at":"2026-05-18T12:25:50Z"}],"graph_snapshots":[{"event_id":"sha256:601e815f1ad587c78fb338f89072eb9b3ca7faca8b597ee5d425f73e32380063","target":"graph","created_at":"2026-05-18T04:37:11Z","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 examine the cooling radiation from forming galaxies in hydrodynamic simulations of the LCDM model (cold dark matter with a cosmological constant), focusing on the Ly-alpha line luminosities of high-redshift systems. Primordial composition gas condenses within dark matter potential wells, forming objects with masses and sizes comparable to the luminous regions of observed galaxies. As expected, the energy radiated in this process is comparable to the gravitational binding energy of the baryons, and the total cooling luminosity of the galaxy population peaks at z ~= 2. However, in contrast to","authors_text":"David H. Weinberg, Jeffrey P. Gardner, Lars Hernquist, Mark A. Fardal, Neal Katz, Romeel Dav\\'e","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2000-07-14T19:31:11Z","title":"Cooling Radiation and the Lyman-alpha Luminosity of Forming Galaxies"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0007205","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":"sha256:87e3fa89c671a9a70655cf0c9dbb5c1315ac357f57866dca0f35c449d2f1d6f1","target":"record","created_at":"2026-05-18T04:37:11Z","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":"6d7c161de48524a01fd2143decdb8657ced90be23f7d5a23d16d693ca70bfe6c","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2000-07-14T19:31:11Z","title_canon_sha256":"20de7a09039ff0f8feab5cc9b2bc9826135c52f8a8bb63c1b0ad1a6b14b38c07"},"schema_version":"1.0","source":{"id":"astro-ph/0007205","kind":"arxiv","version":1}},"canonical_sha256":"4d2fc366dd679c25a428d8c96753b570a17b7bd6dd82d8be1a302752af03aa66","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4d2fc366dd679c25a428d8c96753b570a17b7bd6dd82d8be1a302752af03aa66","first_computed_at":"2026-05-18T04:37:11.941450Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:37:11.941450Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"N6+UnGnOw1VvBlLNXFtepzRwTa8fcaROsf2cdS1mx97LyK59+eatSfgiSRZKwNzMtrBSmA74OEkxvsrrtzBjCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:37:11.941956Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0007205","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:87e3fa89c671a9a70655cf0c9dbb5c1315ac357f57866dca0f35c449d2f1d6f1","sha256:601e815f1ad587c78fb338f89072eb9b3ca7faca8b597ee5d425f73e32380063"],"state_sha256":"dad3e32cd4ce039e488d614ea3e16cbf31bc0a356011d4a28cf38f4d363a5321"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mDPwrqEe+VqpEsi9wxBY6ZJqPY+/hjWgavMvW1eIb+o0PhWNzdpOpVw/M5p42JvcYzUmEW3GAyUk8La8NXF7Aw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T21:18:16.018184Z","bundle_sha256":"f61f405e3b77b9876050c2ea01b6ea97379e706f1d3c5f7d08b92864c5e11b14"}}