{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2020:X6OI6E7I2ZJ4FXPERBP2TUX6XQ","short_pith_number":"pith:X6OI6E7I","canonical_record":{"source":{"id":"2001.11146","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-30T01:44:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"2a2b5c2803213fde4577cf207c59023af809e017de171bb5880163ca7932fd53","abstract_canon_sha256":"26a752f66713b19e5ef536c8fd3e1fe020dc924c30b6ea242611f92d286b708a"},"schema_version":"1.0"},"canonical_sha256":"bf9c8f13e8d653c2dde4885fa9d2febc37d004ff70dada629e74d2821601405f","source":{"kind":"arxiv","id":"2001.11146","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.11146","created_at":"2026-07-05T00:50:13Z"},{"alias_kind":"arxiv_version","alias_value":"2001.11146v2","created_at":"2026-07-05T00:50:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.11146","created_at":"2026-07-05T00:50:13Z"},{"alias_kind":"pith_short_12","alias_value":"X6OI6E7I2ZJ4","created_at":"2026-07-05T00:50:13Z"},{"alias_kind":"pith_short_16","alias_value":"X6OI6E7I2ZJ4FXPE","created_at":"2026-07-05T00:50:13Z"},{"alias_kind":"pith_short_8","alias_value":"X6OI6E7I","created_at":"2026-07-05T00:50:13Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2020:X6OI6E7I2ZJ4FXPERBP2TUX6XQ","target":"record","payload":{"canonical_record":{"source":{"id":"2001.11146","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-30T01:44:00Z","cross_cats_sorted":["astro-ph.EP"],"title_canon_sha256":"2a2b5c2803213fde4577cf207c59023af809e017de171bb5880163ca7932fd53","abstract_canon_sha256":"26a752f66713b19e5ef536c8fd3e1fe020dc924c30b6ea242611f92d286b708a"},"schema_version":"1.0"},"canonical_sha256":"bf9c8f13e8d653c2dde4885fa9d2febc37d004ff70dada629e74d2821601405f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T00:50:13.257465Z","signature_b64":"taFdysnVpy3/QmFXj5zyq6VDJSPaME5V1v6QRHP4DIwwrpdZQI7TqGqyPtr72gOiT3QjgPRKVTzcN2onbPdqBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"bf9c8f13e8d653c2dde4885fa9d2febc37d004ff70dada629e74d2821601405f","last_reissued_at":"2026-07-05T00:50:13.257013Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T00:50:13.257013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2001.11146","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":"2026-07-05T00:50:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Nd19DtDSiLyZPzRPcYX/0ZGXJJLSsm/AQKFWJ6Nhnj0e6bIyr3tVekQNRHJz60KDfU5/vyJjj5qAPIHra0NSAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T23:23:11.430888Z"},"content_sha256":"eadc13240c6946ecdb4b9c414c089b642c9e077a54485bae262634184e848576","schema_version":"1.0","event_id":"sha256:eadc13240c6946ecdb4b9c414c089b642c9e077a54485bae262634184e848576"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2020:X6OI6E7I2ZJ4FXPERBP2TUX6XQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"ART$^2$: A 3D Parallel Multi-wavelength Radiative Transfer Code for Continuum and Atomic and Molecular Lines","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.EP"],"primary_cat":"astro-ph.GA","authors_text":"Hidenobu Yajima (University of Tsukuba), Ming F. Gu (UC Berkeley), Moupiya Maji (University of Geneva), Qirong Zhu (Carnegie Mellon), Yuexing Li (Penn State)","submitted_at":"2020-01-30T01:44:00Z","abstract_excerpt":"ART$^2$ is a 3D multi-wavelength Monte Carlo radiative transfer (RT) code that couples continuum and emission lines to track the propagation of photons and their interactions with the interstellar medium (ISM). The previous version of ART$^2$, which included continuum and Ly$\\alpha$ line, has been extensively applied to hydrodynamics simulations to study multi-band properties of galaxies and ISM. Here, we describe new implementations of non-local thermodynamic equilibrium RT of molecular and atomic fine structure emission lines, and the parallelization of the code using a number of novel metho"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.11146","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2001.11146/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":"2026-07-05T00:50:13Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SHwtk0jIPKU1ms4jpoF27ssqHLkxaUBGkFmF6ixReeT1U/xcjYzZl4PuBfobgBdHvAL/gvWdDgyMT1pDbuDVAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-03T23:23:11.431408Z"},"content_sha256":"60c9084fa29c237ac98aa4c8be1582137fa4e9f7fad998cda4d743a0e8d0aef4","schema_version":"1.0","event_id":"sha256:60c9084fa29c237ac98aa4c8be1582137fa4e9f7fad998cda4d743a0e8d0aef4"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/X6OI6E7I2ZJ4FXPERBP2TUX6XQ/bundle.json","state_url":"https://pith.science/pith/X6OI6E7I2ZJ4FXPERBP2TUX6XQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/X6OI6E7I2ZJ4FXPERBP2TUX6XQ/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":"2026-08-03T23:23:11Z","links":{"resolver":"https://pith.science/pith/X6OI6E7I2ZJ4FXPERBP2TUX6XQ","bundle":"https://pith.science/pith/X6OI6E7I2ZJ4FXPERBP2TUX6XQ/bundle.json","state":"https://pith.science/pith/X6OI6E7I2ZJ4FXPERBP2TUX6XQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/X6OI6E7I2ZJ4FXPERBP2TUX6XQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2020:X6OI6E7I2ZJ4FXPERBP2TUX6XQ","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":"26a752f66713b19e5ef536c8fd3e1fe020dc924c30b6ea242611f92d286b708a","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-30T01:44:00Z","title_canon_sha256":"2a2b5c2803213fde4577cf207c59023af809e017de171bb5880163ca7932fd53"},"schema_version":"1.0","source":{"id":"2001.11146","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2001.11146","created_at":"2026-07-05T00:50:13Z"},{"alias_kind":"arxiv_version","alias_value":"2001.11146v2","created_at":"2026-07-05T00:50:13Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2001.11146","created_at":"2026-07-05T00:50:13Z"},{"alias_kind":"pith_short_12","alias_value":"X6OI6E7I2ZJ4","created_at":"2026-07-05T00:50:13Z"},{"alias_kind":"pith_short_16","alias_value":"X6OI6E7I2ZJ4FXPE","created_at":"2026-07-05T00:50:13Z"},{"alias_kind":"pith_short_8","alias_value":"X6OI6E7I","created_at":"2026-07-05T00:50:13Z"}],"graph_snapshots":[{"event_id":"sha256:60c9084fa29c237ac98aa4c8be1582137fa4e9f7fad998cda4d743a0e8d0aef4","target":"graph","created_at":"2026-07-05T00:50:13Z","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/2001.11146/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"ART$^2$ is a 3D multi-wavelength Monte Carlo radiative transfer (RT) code that couples continuum and emission lines to track the propagation of photons and their interactions with the interstellar medium (ISM). The previous version of ART$^2$, which included continuum and Ly$\\alpha$ line, has been extensively applied to hydrodynamics simulations to study multi-band properties of galaxies and ISM. Here, we describe new implementations of non-local thermodynamic equilibrium RT of molecular and atomic fine structure emission lines, and the parallelization of the code using a number of novel metho","authors_text":"Hidenobu Yajima (University of Tsukuba), Ming F. Gu (UC Berkeley), Moupiya Maji (University of Geneva), Qirong Zhu (Carnegie Mellon), Yuexing Li (Penn State)","cross_cats":["astro-ph.EP"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-30T01:44:00Z","title":"ART$^2$: A 3D Parallel Multi-wavelength Radiative Transfer Code for Continuum and Atomic and Molecular Lines"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2001.11146","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:eadc13240c6946ecdb4b9c414c089b642c9e077a54485bae262634184e848576","target":"record","created_at":"2026-07-05T00:50:13Z","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":"26a752f66713b19e5ef536c8fd3e1fe020dc924c30b6ea242611f92d286b708a","cross_cats_sorted":["astro-ph.EP"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2020-01-30T01:44:00Z","title_canon_sha256":"2a2b5c2803213fde4577cf207c59023af809e017de171bb5880163ca7932fd53"},"schema_version":"1.0","source":{"id":"2001.11146","kind":"arxiv","version":2}},"canonical_sha256":"bf9c8f13e8d653c2dde4885fa9d2febc37d004ff70dada629e74d2821601405f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"bf9c8f13e8d653c2dde4885fa9d2febc37d004ff70dada629e74d2821601405f","first_computed_at":"2026-07-05T00:50:13.257013Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T00:50:13.257013Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"taFdysnVpy3/QmFXj5zyq6VDJSPaME5V1v6QRHP4DIwwrpdZQI7TqGqyPtr72gOiT3QjgPRKVTzcN2onbPdqBg==","signature_status":"signed_v1","signed_at":"2026-07-05T00:50:13.257465Z","signed_message":"canonical_sha256_bytes"},"source_id":"2001.11146","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:eadc13240c6946ecdb4b9c414c089b642c9e077a54485bae262634184e848576","sha256:60c9084fa29c237ac98aa4c8be1582137fa4e9f7fad998cda4d743a0e8d0aef4"],"state_sha256":"77da441d784f77054dc307c1b454c2c42878c0821997372482e3888aed8334be"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7un+kABYsHtSlU+1cn9HvwnkAnmpeiyThCj5SMgvKCj/xH9tjEbto0+wKKkUY5btlGrCBPoSUf9i/pPsxtutDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-03T23:23:11.436877Z","bundle_sha256":"658663a85bfcae5d02005f2a778f942b15c45f9583e36e2a22f54ec4987d2a49"}}