{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:3L7XEP5TEJS3XFFWK7EPSE7AEO","short_pith_number":"pith:3L7XEP5T","canonical_record":{"source":{"id":"2306.03931","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-06T18:00:37Z","cross_cats_sorted":[],"title_canon_sha256":"5ab7f4b05569190327e0b5576ad8ccbbd71e2b7d0069f0a0825f5f584e6eb198","abstract_canon_sha256":"171073d9ae4025b35b51555aeeb04cad7f3980f673aacae67201caa94902a068"},"schema_version":"1.0"},"canonical_sha256":"daff723fb32265bb94b657c8f913e023af2eda3c9ab655c803760de25039695b","source":{"kind":"arxiv","id":"2306.03931","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.03931","created_at":"2026-07-05T09:37:31Z"},{"alias_kind":"arxiv_version","alias_value":"2306.03931v1","created_at":"2026-07-05T09:37:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.03931","created_at":"2026-07-05T09:37:31Z"},{"alias_kind":"pith_short_12","alias_value":"3L7XEP5TEJS3","created_at":"2026-07-05T09:37:31Z"},{"alias_kind":"pith_short_16","alias_value":"3L7XEP5TEJS3XFFW","created_at":"2026-07-05T09:37:31Z"},{"alias_kind":"pith_short_8","alias_value":"3L7XEP5T","created_at":"2026-07-05T09:37:31Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:3L7XEP5TEJS3XFFWK7EPSE7AEO","target":"record","payload":{"canonical_record":{"source":{"id":"2306.03931","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-06T18:00:37Z","cross_cats_sorted":[],"title_canon_sha256":"5ab7f4b05569190327e0b5576ad8ccbbd71e2b7d0069f0a0825f5f584e6eb198","abstract_canon_sha256":"171073d9ae4025b35b51555aeeb04cad7f3980f673aacae67201caa94902a068"},"schema_version":"1.0"},"canonical_sha256":"daff723fb32265bb94b657c8f913e023af2eda3c9ab655c803760de25039695b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T09:37:31.761534Z","signature_b64":"iyYxXsMpXhcrgV3Ggl38mTCcFBD1J9A9ZsHjKyPJu4aGTFcadfqb6pfV+iG5iJOIVeSIaKTGLPXbkSBVajBwBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"daff723fb32265bb94b657c8f913e023af2eda3c9ab655c803760de25039695b","last_reissued_at":"2026-07-05T09:37:31.761098Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T09:37:31.761098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2306.03931","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":"2026-07-05T09:37:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fd1OyhPY0/lXKq2ZhC3ubSVwONA7aj3qUtKTSF/K6e5gLYh/eOaRjWscmRL9cON5zUU473mgMlV9nUkSynZmCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:42:46.627851Z"},"content_sha256":"fe8dd73a5ab2a0f12c756883ea6ee3da554493bf6930eeb5652dbbf1e427d10b","schema_version":"1.0","event_id":"sha256:fe8dd73a5ab2a0f12c756883ea6ee3da554493bf6930eeb5652dbbf1e427d10b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:3L7XEP5TEJS3XFFWK7EPSE7AEO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"JADES: Balmer Decrement Measurements at redshifts 4 < z < 7","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Alex J. Cameron, Andrew J. Bunker, Anna de Graaff, Benjamin D. Johnson, Brant Robertson, Bruno Rodriguez Del Pino, Christina C. Williams, Chris Willott, Daniel J. Eisenstein, Emma Curtis-Lake, Erica Nelson, Fengwu Sun, Francesco D'Eugenio, Gareth C. Jones, Hannah Uebler, Hans-Walter Rix, Irene Shivaei, Jacopo Chevallard, Jan Scholtz, Joris Witstok, Kevin Hainline, Lester Sandles, Michele Perna, Mirko Curti, Nimisha Kumari, Nina Bonaventura, Renske Smit, Roberto Maiolino, Sandro Tacchella, Santiago Arribas, Stefano Carniani, Stephane Charlot, Tim Rawle, Tobias J. Looser, William M. Baker, Zhiyuan Ji","submitted_at":"2023-06-06T18:00:37Z","abstract_excerpt":"We present Balmer decrement H$\\alpha$/ H$\\beta$ measurements for a sample of 51 galaxies at redshifts z = 4-7 observed with the JWST/NIRSpec MSA, as part of the JADES survey. Leveraging 28-hour long exposures and the efficiency of the prism/clear configuration (but also using information from the medium-resolution gratings), we are able to probe directly the low-mass end of the galaxy population, reaching stellar masses Mstar as low as 10^7 Msun . We find that the correlation between Balmer decrement and Mstar is already established at these high redshifts, indicating a rapid build up of dust "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.03931","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/2306.03931/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":"2026-07-05T09:37:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VqgLWo3CpMN+hOoJ0mngjcKdIjamil793zcaGzH8pQsTRt3AziYKuokpWMLgaF05y8GUP+2/TvbU2k/JMbL8Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T12:42:46.628219Z"},"content_sha256":"4557db2faf144005fab4cc3ac973a837e4cb245e257e4e3a4fc0df5f1dcdf518","schema_version":"1.0","event_id":"sha256:4557db2faf144005fab4cc3ac973a837e4cb245e257e4e3a4fc0df5f1dcdf518"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/3L7XEP5TEJS3XFFWK7EPSE7AEO/bundle.json","state_url":"https://pith.science/pith/3L7XEP5TEJS3XFFWK7EPSE7AEO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/3L7XEP5TEJS3XFFWK7EPSE7AEO/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":"2026-07-07T12:42:46Z","links":{"resolver":"https://pith.science/pith/3L7XEP5TEJS3XFFWK7EPSE7AEO","bundle":"https://pith.science/pith/3L7XEP5TEJS3XFFWK7EPSE7AEO/bundle.json","state":"https://pith.science/pith/3L7XEP5TEJS3XFFWK7EPSE7AEO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/3L7XEP5TEJS3XFFWK7EPSE7AEO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:3L7XEP5TEJS3XFFWK7EPSE7AEO","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":"171073d9ae4025b35b51555aeeb04cad7f3980f673aacae67201caa94902a068","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-06T18:00:37Z","title_canon_sha256":"5ab7f4b05569190327e0b5576ad8ccbbd71e2b7d0069f0a0825f5f584e6eb198"},"schema_version":"1.0","source":{"id":"2306.03931","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2306.03931","created_at":"2026-07-05T09:37:31Z"},{"alias_kind":"arxiv_version","alias_value":"2306.03931v1","created_at":"2026-07-05T09:37:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2306.03931","created_at":"2026-07-05T09:37:31Z"},{"alias_kind":"pith_short_12","alias_value":"3L7XEP5TEJS3","created_at":"2026-07-05T09:37:31Z"},{"alias_kind":"pith_short_16","alias_value":"3L7XEP5TEJS3XFFW","created_at":"2026-07-05T09:37:31Z"},{"alias_kind":"pith_short_8","alias_value":"3L7XEP5T","created_at":"2026-07-05T09:37:31Z"}],"graph_snapshots":[{"event_id":"sha256:4557db2faf144005fab4cc3ac973a837e4cb245e257e4e3a4fc0df5f1dcdf518","target":"graph","created_at":"2026-07-05T09:37:31Z","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/2306.03931/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present Balmer decrement H$\\alpha$/ H$\\beta$ measurements for a sample of 51 galaxies at redshifts z = 4-7 observed with the JWST/NIRSpec MSA, as part of the JADES survey. Leveraging 28-hour long exposures and the efficiency of the prism/clear configuration (but also using information from the medium-resolution gratings), we are able to probe directly the low-mass end of the galaxy population, reaching stellar masses Mstar as low as 10^7 Msun . We find that the correlation between Balmer decrement and Mstar is already established at these high redshifts, indicating a rapid build up of dust ","authors_text":"Alex J. Cameron, Andrew J. Bunker, Anna de Graaff, Benjamin D. Johnson, Brant Robertson, Bruno Rodriguez Del Pino, Christina C. Williams, Chris Willott, Daniel J. Eisenstein, Emma Curtis-Lake, Erica Nelson, Fengwu Sun, Francesco D'Eugenio, Gareth C. Jones, Hannah Uebler, Hans-Walter Rix, Irene Shivaei, Jacopo Chevallard, Jan Scholtz, Joris Witstok, Kevin Hainline, Lester Sandles, Michele Perna, Mirko Curti, Nimisha Kumari, Nina Bonaventura, Renske Smit, Roberto Maiolino, Sandro Tacchella, Santiago Arribas, Stefano Carniani, Stephane Charlot, Tim Rawle, Tobias J. Looser, William M. Baker, Zhiyuan Ji","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-06T18:00:37Z","title":"JADES: Balmer Decrement Measurements at redshifts 4 < z < 7"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2306.03931","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:fe8dd73a5ab2a0f12c756883ea6ee3da554493bf6930eeb5652dbbf1e427d10b","target":"record","created_at":"2026-07-05T09:37:31Z","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":"171073d9ae4025b35b51555aeeb04cad7f3980f673aacae67201caa94902a068","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2023-06-06T18:00:37Z","title_canon_sha256":"5ab7f4b05569190327e0b5576ad8ccbbd71e2b7d0069f0a0825f5f584e6eb198"},"schema_version":"1.0","source":{"id":"2306.03931","kind":"arxiv","version":1}},"canonical_sha256":"daff723fb32265bb94b657c8f913e023af2eda3c9ab655c803760de25039695b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"daff723fb32265bb94b657c8f913e023af2eda3c9ab655c803760de25039695b","first_computed_at":"2026-07-05T09:37:31.761098Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T09:37:31.761098Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"iyYxXsMpXhcrgV3Ggl38mTCcFBD1J9A9ZsHjKyPJu4aGTFcadfqb6pfV+iG5iJOIVeSIaKTGLPXbkSBVajBwBA==","signature_status":"signed_v1","signed_at":"2026-07-05T09:37:31.761534Z","signed_message":"canonical_sha256_bytes"},"source_id":"2306.03931","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fe8dd73a5ab2a0f12c756883ea6ee3da554493bf6930eeb5652dbbf1e427d10b","sha256:4557db2faf144005fab4cc3ac973a837e4cb245e257e4e3a4fc0df5f1dcdf518"],"state_sha256":"d2bb24a3c556e6f576984d3baa28d29456a352ebb4d0f64bc5eab12b3eef8311"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/BkRTECDkX2YwSiVz8LgepDqu96gOZnK8ZygXEx+8JiFs1PU1gYy+AqyvuGkjqar9GPbqdepzoGT5OkrCky1Ag==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T12:42:46.630162Z","bundle_sha256":"5606376bc67bfb35e4a70be8d7ac74af36c4f23ae9b8f3a915ba2ef415ecba84"}}