{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:SCMBXTJQ4EF7QQ6WCNWLTJ2KQV","short_pith_number":"pith:SCMBXTJQ","canonical_record":{"source":{"id":"1908.06832","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-19T14:34:15Z","cross_cats_sorted":[],"title_canon_sha256":"d662b7b8a2214f3a53d12252e40607b4b571a109ef525bb06cb538f730d16c0a","abstract_canon_sha256":"d5c65cc7614f95bdb9fc6dbd9a7c06acef2cee8daa9ce02722c47d8164734056"},"schema_version":"1.0"},"canonical_sha256":"90981bcd30e10bf843d6136cb9a74a8574f1acd780ce400ac15b593fc363c15c","source":{"kind":"arxiv","id":"1908.06832","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06832","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06832v3","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06832","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"SCMBXTJQ4EF7","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_16","alias_value":"SCMBXTJQ4EF7QQ6W","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_8","alias_value":"SCMBXTJQ","created_at":"2026-07-05T00:55:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:SCMBXTJQ4EF7QQ6WCNWLTJ2KQV","target":"record","payload":{"canonical_record":{"source":{"id":"1908.06832","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-19T14:34:15Z","cross_cats_sorted":[],"title_canon_sha256":"d662b7b8a2214f3a53d12252e40607b4b571a109ef525bb06cb538f730d16c0a","abstract_canon_sha256":"d5c65cc7614f95bdb9fc6dbd9a7c06acef2cee8daa9ce02722c47d8164734056"},"schema_version":"1.0"},"canonical_sha256":"90981bcd30e10bf843d6136cb9a74a8574f1acd780ce400ac15b593fc363c15c","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:55:03.363248Z","signature_b64":"LU1LAJYD3bxcQqXa5rQPoSCgxLk0w3DIwY+8ulYTfgepR3es0hOzkPAO/E/0ILL1L5/0JBx+03ihdUTWOZzoAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"90981bcd30e10bf843d6136cb9a74a8574f1acd780ce400ac15b593fc363c15c","last_reissued_at":"2026-07-05T00:55:03.362845Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:55:03.362845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1908.06832","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":"2026-07-05T00:55:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hk4HQ7LZsqMvXAHZn3Acm2bK4KURJ+826Xf1mIYHLci7ZeHIoImznJRQRtPv/CpqVfJaYjLxGClF55dxCIHRBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T03:15:16.556738Z"},"content_sha256":"15b94ed1ef0eb054e50f622b286aa9594a2ac7026f61557a4c87598dd0422fe9","schema_version":"1.0","event_id":"sha256:15b94ed1ef0eb054e50f622b286aa9594a2ac7026f61557a4c87598dd0422fe9"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:SCMBXTJQ4EF7QQ6WCNWLTJ2KQV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The influence of a top-heavy integrated galactic IMF and dust on the chemical evolution of high-redshift starbursts","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Elena Lacchin, Fiorenzo Vincenzo, Francesca Matteucci, Francesco Calura, Marco Palla, Xilong Fan","submitted_at":"2019-08-19T14:34:15Z","abstract_excerpt":"We study the effects of the integrated galactic initial mass function (IGIMF) and dust evolution on the abundance patterns of high redshift starburst galaxies. In our chemical models, the rapid collapse of gas clouds triggers an intense and rapid star formation episode, which lasts until the onset of a galactic wind, powered by the thermal energy injected by stellar winds and supernova explosions. Our models follow the evolution of several chemical elements (C, N, $\\alpha$-elements and Fe) both in the gas and dust phases. %The most recent stellar yield and dust prescriptions are adopted. We te"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06832","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/1908.06832/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T00:55:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Cem/Jl10J9hqfg4EfsjlLO/QdF6O6j/+FoEgUVy/Vgi2/yM04qmuUGWGfLwXZ6rkt7PmMwSHWkQRybZGd15LAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-02T03:15:16.557299Z"},"content_sha256":"c36ce5c0f88d4621d798b51b75125b0144e0cbe7151bd2e938e3c3e14e956107","schema_version":"1.0","event_id":"sha256:c36ce5c0f88d4621d798b51b75125b0144e0cbe7151bd2e938e3c3e14e956107"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SCMBXTJQ4EF7QQ6WCNWLTJ2KQV/bundle.json","state_url":"https://pith.science/pith/SCMBXTJQ4EF7QQ6WCNWLTJ2KQV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SCMBXTJQ4EF7QQ6WCNWLTJ2KQV/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":"2026-08-02T03:15:16Z","links":{"resolver":"https://pith.science/pith/SCMBXTJQ4EF7QQ6WCNWLTJ2KQV","bundle":"https://pith.science/pith/SCMBXTJQ4EF7QQ6WCNWLTJ2KQV/bundle.json","state":"https://pith.science/pith/SCMBXTJQ4EF7QQ6WCNWLTJ2KQV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SCMBXTJQ4EF7QQ6WCNWLTJ2KQV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:SCMBXTJQ4EF7QQ6WCNWLTJ2KQV","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":"d5c65cc7614f95bdb9fc6dbd9a7c06acef2cee8daa9ce02722c47d8164734056","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-19T14:34:15Z","title_canon_sha256":"d662b7b8a2214f3a53d12252e40607b4b571a109ef525bb06cb538f730d16c0a"},"schema_version":"1.0","source":{"id":"1908.06832","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1908.06832","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"arxiv_version","alias_value":"1908.06832v3","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1908.06832","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_12","alias_value":"SCMBXTJQ4EF7","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_16","alias_value":"SCMBXTJQ4EF7QQ6W","created_at":"2026-07-05T00:55:03Z"},{"alias_kind":"pith_short_8","alias_value":"SCMBXTJQ","created_at":"2026-07-05T00:55:03Z"}],"graph_snapshots":[{"event_id":"sha256:c36ce5c0f88d4621d798b51b75125b0144e0cbe7151bd2e938e3c3e14e956107","target":"graph","created_at":"2026-07-05T00:55:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/1908.06832/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We study the effects of the integrated galactic initial mass function (IGIMF) and dust evolution on the abundance patterns of high redshift starburst galaxies. In our chemical models, the rapid collapse of gas clouds triggers an intense and rapid star formation episode, which lasts until the onset of a galactic wind, powered by the thermal energy injected by stellar winds and supernova explosions. Our models follow the evolution of several chemical elements (C, N, $\\alpha$-elements and Fe) both in the gas and dust phases. %The most recent stellar yield and dust prescriptions are adopted. We te","authors_text":"Elena Lacchin, Fiorenzo Vincenzo, Francesca Matteucci, Francesco Calura, Marco Palla, Xilong Fan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-19T14:34:15Z","title":"The influence of a top-heavy integrated galactic IMF and dust on the chemical evolution of high-redshift starbursts"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1908.06832","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":"sha256:15b94ed1ef0eb054e50f622b286aa9594a2ac7026f61557a4c87598dd0422fe9","target":"record","created_at":"2026-07-05T00:55:03Z","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":"d5c65cc7614f95bdb9fc6dbd9a7c06acef2cee8daa9ce02722c47d8164734056","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-08-19T14:34:15Z","title_canon_sha256":"d662b7b8a2214f3a53d12252e40607b4b571a109ef525bb06cb538f730d16c0a"},"schema_version":"1.0","source":{"id":"1908.06832","kind":"arxiv","version":3}},"canonical_sha256":"90981bcd30e10bf843d6136cb9a74a8574f1acd780ce400ac15b593fc363c15c","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"90981bcd30e10bf843d6136cb9a74a8574f1acd780ce400ac15b593fc363c15c","first_computed_at":"2026-07-05T00:55:03.362845Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:55:03.362845Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"LU1LAJYD3bxcQqXa5rQPoSCgxLk0w3DIwY+8ulYTfgepR3es0hOzkPAO/E/0ILL1L5/0JBx+03ihdUTWOZzoAg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:55:03.363248Z","signed_message":"canonical_sha256_bytes"},"source_id":"1908.06832","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:15b94ed1ef0eb054e50f622b286aa9594a2ac7026f61557a4c87598dd0422fe9","sha256:c36ce5c0f88d4621d798b51b75125b0144e0cbe7151bd2e938e3c3e14e956107"],"state_sha256":"8435d02bc0a3ed6b080f7c838fa713934b620f3b66558e296b10d1812ee5bc5e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"D9TGeZmoDH1daQTp+BMhQTB1kFjoZQrhGh3Ur9xiuywc7HRITkI4L+VcFG9b2XziapwalNoGG6jO/7CPE7puBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-02T03:15:16.562529Z","bundle_sha256":"3cc282837b8ec4bc236168f0f1e6083988fd65e610d6c95547c2b0933ca1f446"}}