{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:7KFMPFJQLJTUUHD7BYAJXMZLWD","short_pith_number":"pith:7KFMPFJQ","canonical_record":{"source":{"id":"1509.02529","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-08T20:08:38Z","cross_cats_sorted":[],"title_canon_sha256":"1ef24f7c20fae1ab2a3ef238066f0991d619d331307b4f6a0df46e1a332fcf42","abstract_canon_sha256":"5320b3755fa48c6cc2ef2d8700367a9d0e718e0ce40463e95542802456acf01a"},"schema_version":"1.0"},"canonical_sha256":"fa8ac795305a674a1c7f0e009bb32bb0c3206789eaa967c8de810e8feb0f49da","source":{"kind":"arxiv","id":"1509.02529","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02529","created_at":"2026-05-18T01:20:11Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02529v3","created_at":"2026-05-18T01:20:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02529","created_at":"2026-05-18T01:20:11Z"},{"alias_kind":"pith_short_12","alias_value":"7KFMPFJQLJTU","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7KFMPFJQLJTUUHD7","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7KFMPFJQ","created_at":"2026-05-18T12:29:10Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:7KFMPFJQLJTUUHD7BYAJXMZLWD","target":"record","payload":{"canonical_record":{"source":{"id":"1509.02529","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-08T20:08:38Z","cross_cats_sorted":[],"title_canon_sha256":"1ef24f7c20fae1ab2a3ef238066f0991d619d331307b4f6a0df46e1a332fcf42","abstract_canon_sha256":"5320b3755fa48c6cc2ef2d8700367a9d0e718e0ce40463e95542802456acf01a"},"schema_version":"1.0"},"canonical_sha256":"fa8ac795305a674a1c7f0e009bb32bb0c3206789eaa967c8de810e8feb0f49da","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:20:11.317426Z","signature_b64":"NvuenwzbirviHyZw81Q0am8oNDT9O1FBrVH8ZZg3U0hh/RosW5+u7O73o3lVEK5eW/6ygQsyuFtV0DZ6CNnNDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fa8ac795305a674a1c7f0e009bb32bb0c3206789eaa967c8de810e8feb0f49da","last_reissued_at":"2026-05-18T01:20:11.316785Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:20:11.316785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.02529","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:20:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DuhGNasWJKl4Wcxqwi9CGsrgVKJF/sWJ8IHqvTIzHl5tv0DXmQiqMk1B/ddi+CJFmYn6y0DSgls5SWNLGAXSBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T00:38:57.270606Z"},"content_sha256":"09f3f0c13fc717b241328660c839fd23d1e7b10a2ec4748634845d1199a9b6bb","schema_version":"1.0","event_id":"sha256:09f3f0c13fc717b241328660c839fd23d1e7b10a2ec4748634845d1199a9b6bb"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:7KFMPFJQLJTUUHD7BYAJXMZLWD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The Confinement of Star-Forming Galaxies into a Main Sequence through Episodes of Gas Compaction, Depletion, and Replenishment","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Avishai Dekel, C. Marcella Carollo, Colin DeGraf, Daniel Ceverino, Joel R. Primack, Nir Mandelker, Sandro Tacchella, Sharon Lapiner","submitted_at":"2015-09-08T20:08:38Z","abstract_excerpt":"Using cosmological simulations, we address the properties of high-redshift star-forming galaxies (SFGs) across their main sequence (MS) in the plane of star-formation rate (SFR) versus stellar mass. We relate them to the evolution of galaxies through phases of gas compaction, depletion, possible replenishment, and eventual quenching. We find that the high-SFR galaxies in the upper envelope of the MS are compact, with high gas fractions and short depletion times (\"blue nuggets\"), while the lower-SFR galaxies in the lower envelope have lower central gas densities, lower gas fractions and longer "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02529","kind":"arxiv","version":3},"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":"2026-05-18T01:20:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"C9OPFZ7QTZGcryD0eeYk52j7AtRsgi8N0JbejoUkbkOrKAAAT9eewS6/VRN62VU6nebbxAYsbcagvMMrjp1BDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T00:38:57.271256Z"},"content_sha256":"0efb5c80787ba41ea5bceaa7761410c52ebd7f7d46b6ed41310a956ca2fc94cd","schema_version":"1.0","event_id":"sha256:0efb5c80787ba41ea5bceaa7761410c52ebd7f7d46b6ed41310a956ca2fc94cd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7KFMPFJQLJTUUHD7BYAJXMZLWD/bundle.json","state_url":"https://pith.science/pith/7KFMPFJQLJTUUHD7BYAJXMZLWD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7KFMPFJQLJTUUHD7BYAJXMZLWD/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":"2026-05-23T00:38:57Z","links":{"resolver":"https://pith.science/pith/7KFMPFJQLJTUUHD7BYAJXMZLWD","bundle":"https://pith.science/pith/7KFMPFJQLJTUUHD7BYAJXMZLWD/bundle.json","state":"https://pith.science/pith/7KFMPFJQLJTUUHD7BYAJXMZLWD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7KFMPFJQLJTUUHD7BYAJXMZLWD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:7KFMPFJQLJTUUHD7BYAJXMZLWD","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":"5320b3755fa48c6cc2ef2d8700367a9d0e718e0ce40463e95542802456acf01a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-08T20:08:38Z","title_canon_sha256":"1ef24f7c20fae1ab2a3ef238066f0991d619d331307b4f6a0df46e1a332fcf42"},"schema_version":"1.0","source":{"id":"1509.02529","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.02529","created_at":"2026-05-18T01:20:11Z"},{"alias_kind":"arxiv_version","alias_value":"1509.02529v3","created_at":"2026-05-18T01:20:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.02529","created_at":"2026-05-18T01:20:11Z"},{"alias_kind":"pith_short_12","alias_value":"7KFMPFJQLJTU","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_16","alias_value":"7KFMPFJQLJTUUHD7","created_at":"2026-05-18T12:29:10Z"},{"alias_kind":"pith_short_8","alias_value":"7KFMPFJQ","created_at":"2026-05-18T12:29:10Z"}],"graph_snapshots":[{"event_id":"sha256:0efb5c80787ba41ea5bceaa7761410c52ebd7f7d46b6ed41310a956ca2fc94cd","target":"graph","created_at":"2026-05-18T01:20:11Z","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":"Using cosmological simulations, we address the properties of high-redshift star-forming galaxies (SFGs) across their main sequence (MS) in the plane of star-formation rate (SFR) versus stellar mass. We relate them to the evolution of galaxies through phases of gas compaction, depletion, possible replenishment, and eventual quenching. We find that the high-SFR galaxies in the upper envelope of the MS are compact, with high gas fractions and short depletion times (\"blue nuggets\"), while the lower-SFR galaxies in the lower envelope have lower central gas densities, lower gas fractions and longer ","authors_text":"Avishai Dekel, C. Marcella Carollo, Colin DeGraf, Daniel Ceverino, Joel R. Primack, Nir Mandelker, Sandro Tacchella, Sharon Lapiner","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-08T20:08:38Z","title":"The Confinement of Star-Forming Galaxies into a Main Sequence through Episodes of Gas Compaction, Depletion, and Replenishment"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.02529","kind":"arxiv","version":3},"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":"sha256:09f3f0c13fc717b241328660c839fd23d1e7b10a2ec4748634845d1199a9b6bb","target":"record","created_at":"2026-05-18T01:20:11Z","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":"5320b3755fa48c6cc2ef2d8700367a9d0e718e0ce40463e95542802456acf01a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-08T20:08:38Z","title_canon_sha256":"1ef24f7c20fae1ab2a3ef238066f0991d619d331307b4f6a0df46e1a332fcf42"},"schema_version":"1.0","source":{"id":"1509.02529","kind":"arxiv","version":3}},"canonical_sha256":"fa8ac795305a674a1c7f0e009bb32bb0c3206789eaa967c8de810e8feb0f49da","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fa8ac795305a674a1c7f0e009bb32bb0c3206789eaa967c8de810e8feb0f49da","first_computed_at":"2026-05-18T01:20:11.316785Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:20:11.316785Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NvuenwzbirviHyZw81Q0am8oNDT9O1FBrVH8ZZg3U0hh/RosW5+u7O73o3lVEK5eW/6ygQsyuFtV0DZ6CNnNDQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:20:11.317426Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.02529","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:09f3f0c13fc717b241328660c839fd23d1e7b10a2ec4748634845d1199a9b6bb","sha256:0efb5c80787ba41ea5bceaa7761410c52ebd7f7d46b6ed41310a956ca2fc94cd"],"state_sha256":"e70f69af9e1d772c8b18ce698c5981bada0e9435023a560f0b7860fba6c675d3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fXh+CsKXMFRQnPA9p2RPTUXRax6NrCxaVwm+e/lIqBQyZnJ4q8Xz9G52QcMKntza+4+yulkuoOCn1dIlwSwZDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T00:38:57.275696Z","bundle_sha256":"6f6fecd4544233ce087172ccabab6a7e8083d62c416588dbffed7b25a91f0418"}}