{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:NBKZUVVEB76B7NS645T3TYLJY3","short_pith_number":"pith:NBKZUVVE","canonical_record":{"source":{"id":"1603.03778","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-11T21:00:27Z","cross_cats_sorted":[],"title_canon_sha256":"8febb82e03541d25ea8efa80ac111952166bb1daa49918fe1a1cf66d85e560af","abstract_canon_sha256":"6a500ac9cac61ae6c97a07aa0e6a8f53edce99cfa7c17684f221f47de5f5daff"},"schema_version":"1.0"},"canonical_sha256":"68559a56a40ffc1fb65ee767b9e169c6d8e126a5cb289eca8bb7267e55e1ba9b","source":{"kind":"arxiv","id":"1603.03778","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.03778","created_at":"2026-05-18T00:55:14Z"},{"alias_kind":"arxiv_version","alias_value":"1603.03778v2","created_at":"2026-05-18T00:55:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.03778","created_at":"2026-05-18T00:55:14Z"},{"alias_kind":"pith_short_12","alias_value":"NBKZUVVEB76B","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NBKZUVVEB76B7NS6","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NBKZUVVE","created_at":"2026-05-18T12:30:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:NBKZUVVEB76B7NS645T3TYLJY3","target":"record","payload":{"canonical_record":{"source":{"id":"1603.03778","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-11T21:00:27Z","cross_cats_sorted":[],"title_canon_sha256":"8febb82e03541d25ea8efa80ac111952166bb1daa49918fe1a1cf66d85e560af","abstract_canon_sha256":"6a500ac9cac61ae6c97a07aa0e6a8f53edce99cfa7c17684f221f47de5f5daff"},"schema_version":"1.0"},"canonical_sha256":"68559a56a40ffc1fb65ee767b9e169c6d8e126a5cb289eca8bb7267e55e1ba9b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:55:14.068893Z","signature_b64":"b5qmqkLWhn5mGMzfKTzEwl//6EyI42/mPA8Lp9IfxvkAnaoqzFkkg5ROoLbz/XNM8HztkRB7RwOF92kPlWJYBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"68559a56a40ffc1fb65ee767b9e169c6d8e126a5cb289eca8bb7267e55e1ba9b","last_reissued_at":"2026-05-18T00:55:14.068479Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:55:14.068479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.03778","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:55:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZVdJdPYFU73Pu5sJmWvvNgQrerTCT2uAG2f4w0/kyzsM96Thk3nlgsJtHQB2IjTSgYX8bqf0mfOkIJFRZOCSAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:56:13.164853Z"},"content_sha256":"790f2c1f4846ba07b81271d5d1ff667945fe4659ca99348d01d68db4e8f11fa9","schema_version":"1.0","event_id":"sha256:790f2c1f4846ba07b81271d5d1ff667945fe4659ca99348d01d68db4e8f11fa9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:NBKZUVVEB76B7NS645T3TYLJY3","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Giant clumps in the FIRE simulations: a case study of a massive high-redshift galaxy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Antonija Oklopcic, Claude-Andre Faucher-Giguere, Dusan Keres, Norman Murray, Philip F. Hopkins, Robert Feldmann","submitted_at":"2016-03-11T21:00:27Z","abstract_excerpt":"The morphology of massive star-forming galaxies at high redshift is often dominated by giant clumps of mass ~10^8-10^9 Msun and size ~100-1000 pc. Previous studies have proposed that giant clumps might have an important role in the evolution of their host galaxy, particularly in building the central bulge. However, this depends on whether clumps live long enough to migrate from their original location in the disc or whether they get disrupted by their own stellar feedback before reaching the centre of the galaxy. We use cosmological hydrodynamical simulations from the FIRE (Feedback in Realist"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.03778","kind":"arxiv","version":2},"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":"2026-05-18T00:55:14Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i05tvBix8Wx45D/Q6lzWZUVDqAuX5BqEeGYDKRvPYkEK7ZT/vmyMOA5wknOkThTTocoRojsP9K9oWVJ3V3eaBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T19:56:13.165267Z"},"content_sha256":"5456a258f3c86a5c41f1e660e38e349624c31de5178d3afa5f2f0d5dcdd99b12","schema_version":"1.0","event_id":"sha256:5456a258f3c86a5c41f1e660e38e349624c31de5178d3afa5f2f0d5dcdd99b12"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/NBKZUVVEB76B7NS645T3TYLJY3/bundle.json","state_url":"https://pith.science/pith/NBKZUVVEB76B7NS645T3TYLJY3/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/NBKZUVVEB76B7NS645T3TYLJY3/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":"2026-05-25T19:56:13Z","links":{"resolver":"https://pith.science/pith/NBKZUVVEB76B7NS645T3TYLJY3","bundle":"https://pith.science/pith/NBKZUVVEB76B7NS645T3TYLJY3/bundle.json","state":"https://pith.science/pith/NBKZUVVEB76B7NS645T3TYLJY3/state.json","well_known_bundle":"https://pith.science/.well-known/pith/NBKZUVVEB76B7NS645T3TYLJY3/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:NBKZUVVEB76B7NS645T3TYLJY3","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":"6a500ac9cac61ae6c97a07aa0e6a8f53edce99cfa7c17684f221f47de5f5daff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-11T21:00:27Z","title_canon_sha256":"8febb82e03541d25ea8efa80ac111952166bb1daa49918fe1a1cf66d85e560af"},"schema_version":"1.0","source":{"id":"1603.03778","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.03778","created_at":"2026-05-18T00:55:14Z"},{"alias_kind":"arxiv_version","alias_value":"1603.03778v2","created_at":"2026-05-18T00:55:14Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.03778","created_at":"2026-05-18T00:55:14Z"},{"alias_kind":"pith_short_12","alias_value":"NBKZUVVEB76B","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_16","alias_value":"NBKZUVVEB76B7NS6","created_at":"2026-05-18T12:30:32Z"},{"alias_kind":"pith_short_8","alias_value":"NBKZUVVE","created_at":"2026-05-18T12:30:32Z"}],"graph_snapshots":[{"event_id":"sha256:5456a258f3c86a5c41f1e660e38e349624c31de5178d3afa5f2f0d5dcdd99b12","target":"graph","created_at":"2026-05-18T00:55:14Z","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":"The morphology of massive star-forming galaxies at high redshift is often dominated by giant clumps of mass ~10^8-10^9 Msun and size ~100-1000 pc. Previous studies have proposed that giant clumps might have an important role in the evolution of their host galaxy, particularly in building the central bulge. However, this depends on whether clumps live long enough to migrate from their original location in the disc or whether they get disrupted by their own stellar feedback before reaching the centre of the galaxy. We use cosmological hydrodynamical simulations from the FIRE (Feedback in Realist","authors_text":"Antonija Oklopcic, Claude-Andre Faucher-Giguere, Dusan Keres, Norman Murray, Philip F. Hopkins, Robert Feldmann","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-11T21:00:27Z","title":"Giant clumps in the FIRE simulations: a case study of a massive high-redshift galaxy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.03778","kind":"arxiv","version":2},"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":"sha256:790f2c1f4846ba07b81271d5d1ff667945fe4659ca99348d01d68db4e8f11fa9","target":"record","created_at":"2026-05-18T00:55:14Z","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":"6a500ac9cac61ae6c97a07aa0e6a8f53edce99cfa7c17684f221f47de5f5daff","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2016-03-11T21:00:27Z","title_canon_sha256":"8febb82e03541d25ea8efa80ac111952166bb1daa49918fe1a1cf66d85e560af"},"schema_version":"1.0","source":{"id":"1603.03778","kind":"arxiv","version":2}},"canonical_sha256":"68559a56a40ffc1fb65ee767b9e169c6d8e126a5cb289eca8bb7267e55e1ba9b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"68559a56a40ffc1fb65ee767b9e169c6d8e126a5cb289eca8bb7267e55e1ba9b","first_computed_at":"2026-05-18T00:55:14.068479Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:55:14.068479Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"b5qmqkLWhn5mGMzfKTzEwl//6EyI42/mPA8Lp9IfxvkAnaoqzFkkg5ROoLbz/XNM8HztkRB7RwOF92kPlWJYBw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:55:14.068893Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.03778","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:790f2c1f4846ba07b81271d5d1ff667945fe4659ca99348d01d68db4e8f11fa9","sha256:5456a258f3c86a5c41f1e660e38e349624c31de5178d3afa5f2f0d5dcdd99b12"],"state_sha256":"890a599a4d6c033b51bbd81aedb99ea2bfc0feb6abb3e60735f3d2c828f83777"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IXBsNphZLVqqH6O5F9iK345VFWnRjObk56W1SwLPnfT7pDwHJIRWPw2V5Nn7zes5dC116B7zoEJW5woAJhU4Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T19:56:13.168557Z","bundle_sha256":"feb13f343e64f83cd2ef1175117284399478111a681158427e4170d5f289dd17"}}