{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:QLQNYL7DRVCKU6S2NVRUV5T7PM","short_pith_number":"pith:QLQNYL7D","canonical_record":{"source":{"id":"2408.12310","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-08-22T11:37:58Z","cross_cats_sorted":[],"title_canon_sha256":"4e2ab3548fcbf5bccb07ac0a802bee415e13da4eb0ee718c57afaaf85337a892","abstract_canon_sha256":"b87938d37db4310ef55039b6f733fb090893dbf3747e44c86ece870e26baf6b2"},"schema_version":"1.0"},"canonical_sha256":"82e0dc2fe38d44aa7a5a6d634af67f7b380de7c388da625a76b3737a28ba960a","source":{"kind":"arxiv","id":"2408.12310","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.12310","created_at":"2026-07-05T09:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"2408.12310v2","created_at":"2026-07-05T09:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.12310","created_at":"2026-07-05T09:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"QLQNYL7DRVCK","created_at":"2026-07-05T09:50:32Z"},{"alias_kind":"pith_short_16","alias_value":"QLQNYL7DRVCKU6S2","created_at":"2026-07-05T09:50:32Z"},{"alias_kind":"pith_short_8","alias_value":"QLQNYL7D","created_at":"2026-07-05T09:50:32Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:QLQNYL7DRVCKU6S2NVRUV5T7PM","target":"record","payload":{"canonical_record":{"source":{"id":"2408.12310","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-08-22T11:37:58Z","cross_cats_sorted":[],"title_canon_sha256":"4e2ab3548fcbf5bccb07ac0a802bee415e13da4eb0ee718c57afaaf85337a892","abstract_canon_sha256":"b87938d37db4310ef55039b6f733fb090893dbf3747e44c86ece870e26baf6b2"},"schema_version":"1.0"},"canonical_sha256":"82e0dc2fe38d44aa7a5a6d634af67f7b380de7c388da625a76b3737a28ba960a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:50:32.838649Z","signature_b64":"eZv+tjw7PcPP692JexJZxkZoZBIg/WEGmiSJwVnzC4ksybcfvQgjtjEuGgdEEYyePEieKJvDaq+vKFJmUKi2DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"82e0dc2fe38d44aa7a5a6d634af67f7b380de7c388da625a76b3737a28ba960a","last_reissued_at":"2026-07-05T09:50:32.838159Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:50:32.838159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2408.12310","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":"2026-07-05T09:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UDadlDmr89HFKgZdzOOuLni/fbVztAHn6ciGnB94TQSguMxX2VqmKeNjV5XgThPkfYvg9r3XCLOGE6tC9zVrDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:23:30.734714Z"},"content_sha256":"2f7ab8ead0f23564c4ebe3c829012ee97371aa3e314a8c2be580bcc497d30c10","schema_version":"1.0","event_id":"sha256:2f7ab8ead0f23564c4ebe3c829012ee97371aa3e314a8c2be580bcc497d30c10"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:QLQNYL7DRVCKU6S2NVRUV5T7PM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Detailed Study of Stars and Gas in a z = 8.3 Massive Merger with Extreme Dust Conditions","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Adam Muzzin, Anishya Harshan, Chris Willot, Gabe Brammer, Ga\\\"el Noirot, Ghassan T. E. Sarrouh, Gregor Rihtar\\v{s}i\\v{c}, Guillaume Desprez, Jasleen Matharu, Lamiya Mowla, Marcin Sawicki, Maru\\v{s}a Brada\\v{c}, Nicholas S. Martis, Roberta Tripodi, Victoria Strait, Vince Estrada-Carpenter, Vladan Markov, Yoshihisa Asada","submitted_at":"2024-08-22T11:37:58Z","abstract_excerpt":"We present galaxy MACS0416-Y1 at z$_{\\rm{spec}} = 8.312$ as observed by the CAnadian NIRISS Unbiased Cluster Survey (CANUCS). MACS0416-Y1 has been shown to have extreme dust properties, thus, we study the physical properties and star formation histories of its resolved components. Overall, we find that MACS0416-Y1 is undergoing a star formation burst in three resolved clumps. The central clump is less massive compared to the other clumps and possibly formed in the merging process of the two larger clumps. Although the star formation history indicates an ongoing star formation burst, this gas-r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.12310","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/2408.12310/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":"2026-07-05T09:50:32Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zZr0NvwyRkE18hR+ROE4YdG2ATqMcu+0LQB+ZxOuD3TdypPyloqz0I6xqpsA+G4ExdNv0NTR0VUDmekBf1S1Bg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T19:23:30.735091Z"},"content_sha256":"2c51b1a380136631f90ac77e074f87d01d018a988fcb3ed9fb2881288ecd4d57","schema_version":"1.0","event_id":"sha256:2c51b1a380136631f90ac77e074f87d01d018a988fcb3ed9fb2881288ecd4d57"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QLQNYL7DRVCKU6S2NVRUV5T7PM/bundle.json","state_url":"https://pith.science/pith/QLQNYL7DRVCKU6S2NVRUV5T7PM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QLQNYL7DRVCKU6S2NVRUV5T7PM/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":"2026-07-06T19:23:30Z","links":{"resolver":"https://pith.science/pith/QLQNYL7DRVCKU6S2NVRUV5T7PM","bundle":"https://pith.science/pith/QLQNYL7DRVCKU6S2NVRUV5T7PM/bundle.json","state":"https://pith.science/pith/QLQNYL7DRVCKU6S2NVRUV5T7PM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QLQNYL7DRVCKU6S2NVRUV5T7PM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:QLQNYL7DRVCKU6S2NVRUV5T7PM","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":"b87938d37db4310ef55039b6f733fb090893dbf3747e44c86ece870e26baf6b2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-08-22T11:37:58Z","title_canon_sha256":"4e2ab3548fcbf5bccb07ac0a802bee415e13da4eb0ee718c57afaaf85337a892"},"schema_version":"1.0","source":{"id":"2408.12310","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2408.12310","created_at":"2026-07-05T09:50:32Z"},{"alias_kind":"arxiv_version","alias_value":"2408.12310v2","created_at":"2026-07-05T09:50:32Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2408.12310","created_at":"2026-07-05T09:50:32Z"},{"alias_kind":"pith_short_12","alias_value":"QLQNYL7DRVCK","created_at":"2026-07-05T09:50:32Z"},{"alias_kind":"pith_short_16","alias_value":"QLQNYL7DRVCKU6S2","created_at":"2026-07-05T09:50:32Z"},{"alias_kind":"pith_short_8","alias_value":"QLQNYL7D","created_at":"2026-07-05T09:50:32Z"}],"graph_snapshots":[{"event_id":"sha256:2c51b1a380136631f90ac77e074f87d01d018a988fcb3ed9fb2881288ecd4d57","target":"graph","created_at":"2026-07-05T09:50:32Z","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/2408.12310/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present galaxy MACS0416-Y1 at z$_{\\rm{spec}} = 8.312$ as observed by the CAnadian NIRISS Unbiased Cluster Survey (CANUCS). MACS0416-Y1 has been shown to have extreme dust properties, thus, we study the physical properties and star formation histories of its resolved components. Overall, we find that MACS0416-Y1 is undergoing a star formation burst in three resolved clumps. The central clump is less massive compared to the other clumps and possibly formed in the merging process of the two larger clumps. Although the star formation history indicates an ongoing star formation burst, this gas-r","authors_text":"Adam Muzzin, Anishya Harshan, Chris Willot, Gabe Brammer, Ga\\\"el Noirot, Ghassan T. E. Sarrouh, Gregor Rihtar\\v{s}i\\v{c}, Guillaume Desprez, Jasleen Matharu, Lamiya Mowla, Marcin Sawicki, Maru\\v{s}a Brada\\v{c}, Nicholas S. Martis, Roberta Tripodi, Victoria Strait, Vince Estrada-Carpenter, Vladan Markov, Yoshihisa Asada","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-08-22T11:37:58Z","title":"Detailed Study of Stars and Gas in a z = 8.3 Massive Merger with Extreme Dust Conditions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2408.12310","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":"sha256:2f7ab8ead0f23564c4ebe3c829012ee97371aa3e314a8c2be580bcc497d30c10","target":"record","created_at":"2026-07-05T09:50:32Z","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":"b87938d37db4310ef55039b6f733fb090893dbf3747e44c86ece870e26baf6b2","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2024-08-22T11:37:58Z","title_canon_sha256":"4e2ab3548fcbf5bccb07ac0a802bee415e13da4eb0ee718c57afaaf85337a892"},"schema_version":"1.0","source":{"id":"2408.12310","kind":"arxiv","version":2}},"canonical_sha256":"82e0dc2fe38d44aa7a5a6d634af67f7b380de7c388da625a76b3737a28ba960a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"82e0dc2fe38d44aa7a5a6d634af67f7b380de7c388da625a76b3737a28ba960a","first_computed_at":"2026-07-05T09:50:32.838159Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:50:32.838159Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"eZv+tjw7PcPP692JexJZxkZoZBIg/WEGmiSJwVnzC4ksybcfvQgjtjEuGgdEEYyePEieKJvDaq+vKFJmUKi2DA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:50:32.838649Z","signed_message":"canonical_sha256_bytes"},"source_id":"2408.12310","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:2f7ab8ead0f23564c4ebe3c829012ee97371aa3e314a8c2be580bcc497d30c10","sha256:2c51b1a380136631f90ac77e074f87d01d018a988fcb3ed9fb2881288ecd4d57"],"state_sha256":"b34a0273ac342fe0902a2712714749e1cd11bb857a7b1b8fd386cbe40e116a69"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"oVZSMB3dYo3AzbR5caCCTh6PeQJeAKmD8zBU8vYYrXBEFq7Vi4ujsZ8i+Ph5l1bBhCEP9dMwegi49KZFlQzkCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T19:23:30.737114Z","bundle_sha256":"8734a2881c4368c44983df593984422ff8605a64af0e7b18e82ab52cdb98b90e"}}