{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DKUA5MS3FBTGBQMX2MH43YLEOZ","short_pith_number":"pith:DKUA5MS3","canonical_record":{"source":{"id":"2501.10541","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-17T20:27:48Z","cross_cats_sorted":[],"title_canon_sha256":"5ba31c4723a649cb9feb4c9ebdbb99eaed5954ab31b8b24b612c10a6708ba542","abstract_canon_sha256":"24499c32b973ad1c428735df4cb27863e359a829bb43754e39a464c7ff2dd8ba"},"schema_version":"1.0"},"canonical_sha256":"1aa80eb25b286660c197d30fcde1647647591bbae0f7528f185f3d8669929a49","source":{"kind":"arxiv","id":"2501.10541","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.10541","created_at":"2026-07-05T10:02:29Z"},{"alias_kind":"arxiv_version","alias_value":"2501.10541v1","created_at":"2026-07-05T10:02:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.10541","created_at":"2026-07-05T10:02:29Z"},{"alias_kind":"pith_short_12","alias_value":"DKUA5MS3FBTG","created_at":"2026-07-05T10:02:29Z"},{"alias_kind":"pith_short_16","alias_value":"DKUA5MS3FBTGBQMX","created_at":"2026-07-05T10:02:29Z"},{"alias_kind":"pith_short_8","alias_value":"DKUA5MS3","created_at":"2026-07-05T10:02:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DKUA5MS3FBTGBQMX2MH43YLEOZ","target":"record","payload":{"canonical_record":{"source":{"id":"2501.10541","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-17T20:27:48Z","cross_cats_sorted":[],"title_canon_sha256":"5ba31c4723a649cb9feb4c9ebdbb99eaed5954ab31b8b24b612c10a6708ba542","abstract_canon_sha256":"24499c32b973ad1c428735df4cb27863e359a829bb43754e39a464c7ff2dd8ba"},"schema_version":"1.0"},"canonical_sha256":"1aa80eb25b286660c197d30fcde1647647591bbae0f7528f185f3d8669929a49","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:02:29.541415Z","signature_b64":"z8eKYyo3qX9R0AkfY6KHufXLBb118cHU4pEivGRwJmR4na9OyB7BID8hiI2yLnIZCrSTn7gEhjudkwFCzZAiAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1aa80eb25b286660c197d30fcde1647647591bbae0f7528f185f3d8669929a49","last_reissued_at":"2026-07-05T10:02:29.540880Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:02:29.540880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2501.10541","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T10:02:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gQW7GOMUPmTbvPKOmn8SEcpiy9dnDlzs0a6w4tc7FhFR2+eYKrCWTNygQzNwTOJzGQCwVB0lwOsvXh/ZcborCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:32:02.434573Z"},"content_sha256":"fb39e8ad8ed64b472031b9d58c8e3e91736e195fb49c6d01393035f2ff5cefbf","schema_version":"1.0","event_id":"sha256:fb39e8ad8ed64b472031b9d58c8e3e91736e195fb49c6d01393035f2ff5cefbf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DKUA5MS3FBTGBQMX2MH43YLEOZ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"REBELS-IFU: Dust attenuation curves of 12 massive galaxies at $z\\simeq7$","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Andrea Ferrara, Andrea Pallottini, Dan P. Stark, Hanae Inami, Hiddo S. B. Algera, Jacqueline A. Hodge, Katherine Ormerod, Laura Sommovigo, Lucie E. Rowland, Manuel Aravena, Mauro Stefanon, Nina S. Sartorio, Paul P. van der Werf, Pratika Dayal, Rebecca A. A. Bowler, Rebecca Fisher, Renske Smit, Rychard Bouwens, Si\\^an G. Phillips, Yoshinobu Fudamoto","submitted_at":"2025-01-17T20:27:48Z","abstract_excerpt":"We present measurements of the dust attenuation curves of 12 massive ($9~<~\\log$($M_{\\star}/{M}_{\\odot})$ $<~10$) Lyman-break galaxies at $z=6.5-7.7$ derived from James Webb Space Telescope (JWST) NIRSpec integral field unit (IFU) spectroscopy. The galaxies are drawn from the Atacama Large Millimeter/submillimeter Array (ALMA) Reionization Era Bright Emission Line Survey (REBELS) large program. The dust attenuation curves were obtained by fitting spectral energy distribution (SED) models with a flexible dust law to the full galaxy spectra over observed wavelengths $0.6-5.3$ $\\mu$m. These atten"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.10541","kind":"arxiv","version":1},"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/2501.10541/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":"2026-07-05T10:02:29Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gWvIvwsbR7dB24dl084y0Jc3y/cIBfTtbU1+xg+NinSfJz+G7DSYoQ/FzZROn05tzT7SwgaYXxw8pvGIFmkLDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T05:32:02.435022Z"},"content_sha256":"ddcb4ed820361bda17b011f848574f36d4a4ab776cd9753be9bf36d0c6a5010c","schema_version":"1.0","event_id":"sha256:ddcb4ed820361bda17b011f848574f36d4a4ab776cd9753be9bf36d0c6a5010c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DKUA5MS3FBTGBQMX2MH43YLEOZ/bundle.json","state_url":"https://pith.science/pith/DKUA5MS3FBTGBQMX2MH43YLEOZ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DKUA5MS3FBTGBQMX2MH43YLEOZ/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":"2026-07-07T05:32:02Z","links":{"resolver":"https://pith.science/pith/DKUA5MS3FBTGBQMX2MH43YLEOZ","bundle":"https://pith.science/pith/DKUA5MS3FBTGBQMX2MH43YLEOZ/bundle.json","state":"https://pith.science/pith/DKUA5MS3FBTGBQMX2MH43YLEOZ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DKUA5MS3FBTGBQMX2MH43YLEOZ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DKUA5MS3FBTGBQMX2MH43YLEOZ","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":"24499c32b973ad1c428735df4cb27863e359a829bb43754e39a464c7ff2dd8ba","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-17T20:27:48Z","title_canon_sha256":"5ba31c4723a649cb9feb4c9ebdbb99eaed5954ab31b8b24b612c10a6708ba542"},"schema_version":"1.0","source":{"id":"2501.10541","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2501.10541","created_at":"2026-07-05T10:02:29Z"},{"alias_kind":"arxiv_version","alias_value":"2501.10541v1","created_at":"2026-07-05T10:02:29Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2501.10541","created_at":"2026-07-05T10:02:29Z"},{"alias_kind":"pith_short_12","alias_value":"DKUA5MS3FBTG","created_at":"2026-07-05T10:02:29Z"},{"alias_kind":"pith_short_16","alias_value":"DKUA5MS3FBTGBQMX","created_at":"2026-07-05T10:02:29Z"},{"alias_kind":"pith_short_8","alias_value":"DKUA5MS3","created_at":"2026-07-05T10:02:29Z"}],"graph_snapshots":[{"event_id":"sha256:ddcb4ed820361bda17b011f848574f36d4a4ab776cd9753be9bf36d0c6a5010c","target":"graph","created_at":"2026-07-05T10:02:29Z","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/2501.10541/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present measurements of the dust attenuation curves of 12 massive ($9~<~\\log$($M_{\\star}/{M}_{\\odot})$ $<~10$) Lyman-break galaxies at $z=6.5-7.7$ derived from James Webb Space Telescope (JWST) NIRSpec integral field unit (IFU) spectroscopy. The galaxies are drawn from the Atacama Large Millimeter/submillimeter Array (ALMA) Reionization Era Bright Emission Line Survey (REBELS) large program. The dust attenuation curves were obtained by fitting spectral energy distribution (SED) models with a flexible dust law to the full galaxy spectra over observed wavelengths $0.6-5.3$ $\\mu$m. These atten","authors_text":"Andrea Ferrara, Andrea Pallottini, Dan P. Stark, Hanae Inami, Hiddo S. B. Algera, Jacqueline A. Hodge, Katherine Ormerod, Laura Sommovigo, Lucie E. Rowland, Manuel Aravena, Mauro Stefanon, Nina S. Sartorio, Paul P. van der Werf, Pratika Dayal, Rebecca A. A. Bowler, Rebecca Fisher, Renske Smit, Rychard Bouwens, Si\\^an G. Phillips, Yoshinobu Fudamoto","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-17T20:27:48Z","title":"REBELS-IFU: Dust attenuation curves of 12 massive galaxies at $z\\simeq7$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2501.10541","kind":"arxiv","version":1},"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:fb39e8ad8ed64b472031b9d58c8e3e91736e195fb49c6d01393035f2ff5cefbf","target":"record","created_at":"2026-07-05T10:02:29Z","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":"24499c32b973ad1c428735df4cb27863e359a829bb43754e39a464c7ff2dd8ba","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2025-01-17T20:27:48Z","title_canon_sha256":"5ba31c4723a649cb9feb4c9ebdbb99eaed5954ab31b8b24b612c10a6708ba542"},"schema_version":"1.0","source":{"id":"2501.10541","kind":"arxiv","version":1}},"canonical_sha256":"1aa80eb25b286660c197d30fcde1647647591bbae0f7528f185f3d8669929a49","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1aa80eb25b286660c197d30fcde1647647591bbae0f7528f185f3d8669929a49","first_computed_at":"2026-07-05T10:02:29.540880Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:02:29.540880Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"z8eKYyo3qX9R0AkfY6KHufXLBb118cHU4pEivGRwJmR4na9OyB7BID8hiI2yLnIZCrSTn7gEhjudkwFCzZAiAQ==","signature_status":"signed_v1","signed_at":"2026-07-05T10:02:29.541415Z","signed_message":"canonical_sha256_bytes"},"source_id":"2501.10541","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fb39e8ad8ed64b472031b9d58c8e3e91736e195fb49c6d01393035f2ff5cefbf","sha256:ddcb4ed820361bda17b011f848574f36d4a4ab776cd9753be9bf36d0c6a5010c"],"state_sha256":"149bdaf5a87b8288eb349c0cc430cd58c5cc814938ba6bef7bf241b317174148"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SVnetSiH7sw56E1Pl5pyJd6s/zgvD9Yux7Uqs5Gu+oo+lqMnro9d7oFnyJpNjC0K+LL1tftz9pDXl8aI2SCLAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T05:32:02.437024Z","bundle_sha256":"2cd55803c511abcf905a092ae0a71e223513ce522d8f671f251fdd14626b1fa2"}}