{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:SQG2OGZPV2LLODJTNW3DA4RJTX","short_pith_number":"pith:SQG2OGZP","canonical_record":{"source":{"id":"2507.03562","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-04T13:14:46Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"4ffe6ff74cfbddfc9e425a7bb7cd867477da7aa456d6d79f34a548d31202a4c2","abstract_canon_sha256":"1e4a6bc545408325f5db2f1b6568202f6942510a054d8fbc0ad5e922bc0ca3bf"},"schema_version":"1.0"},"canonical_sha256":"940da71b2fae96b70d336db63072299dc222693240c08cd1a67129dd015425cb","source":{"kind":"arxiv","id":"2507.03562","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.03562","created_at":"2026-07-05T12:03:28Z"},{"alias_kind":"arxiv_version","alias_value":"2507.03562v1","created_at":"2026-07-05T12:03:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.03562","created_at":"2026-07-05T12:03:28Z"},{"alias_kind":"pith_short_12","alias_value":"SQG2OGZPV2LL","created_at":"2026-07-05T12:03:28Z"},{"alias_kind":"pith_short_16","alias_value":"SQG2OGZPV2LLODJT","created_at":"2026-07-05T12:03:28Z"},{"alias_kind":"pith_short_8","alias_value":"SQG2OGZP","created_at":"2026-07-05T12:03:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:SQG2OGZPV2LLODJTNW3DA4RJTX","target":"record","payload":{"canonical_record":{"source":{"id":"2507.03562","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-04T13:14:46Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"4ffe6ff74cfbddfc9e425a7bb7cd867477da7aa456d6d79f34a548d31202a4c2","abstract_canon_sha256":"1e4a6bc545408325f5db2f1b6568202f6942510a054d8fbc0ad5e922bc0ca3bf"},"schema_version":"1.0"},"canonical_sha256":"940da71b2fae96b70d336db63072299dc222693240c08cd1a67129dd015425cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:03:28.763728Z","signature_b64":"oBBdu+wcrO+mUVFXy/BWpJF8zYWVNHEKAlunIItvU8UbAXDtO9rH6aw6riPsbIhNekwT2U1ZkzKMhpR3fdCMDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"940da71b2fae96b70d336db63072299dc222693240c08cd1a67129dd015425cb","last_reissued_at":"2026-07-05T12:03:28.763196Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:03:28.763196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2507.03562","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":"2026-07-05T12:03:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5WSYpF5t//yAlAUAzlvBpIhkOtS2wkgCAi+TWp0Hh5ZrLy6DFkVvyLpN8uAAS7iaEYRyIicUawWh8GrAzGnDBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:20:32.048086Z"},"content_sha256":"e9c954a3b4d6f5e5556f3716cbe3535331a9522c4f42a99e7169e60bcd6e3ef1","schema_version":"1.0","event_id":"sha256:e9c954a3b4d6f5e5556f3716cbe3535331a9522c4f42a99e7169e60bcd6e3ef1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:SQG2OGZPV2LLODJTNW3DA4RJTX","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"The planetary-mass-limit VLT/SINFONI library: Spectral extraction and atmospheric characterization via forward modeling","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"A. Denis, A. Simonnin, A. Vigan, B. Charnay, G. Chauvin, K. Hoch, M. Bonnefoy, M. Ravet, P. Baudoz, P. Palma-Bifani, P. Rojo, S. Petrus","submitted_at":"2025-07-04T13:14:46Z","abstract_excerpt":"We aim to deepen our understanding of the M-L transition on planetary-mass companions and isolated brown dwarfs, and search for evidence of possible differences between these two populations of objects. To this end, we present a set of 21 VLT/SINFONI K-band observations from five archival programs at a spectral resolution of 4000. We aim to measure atmospheric properties, such as temperature, surface gravity, and metallicity, to understand the similarities and differences between objects ranging from M5 to L5 in spectral type. We extracted the spectra of these targets with the TExTRIS code. Su"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.03562","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/2507.03562/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":"2026-07-05T12:03:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cByWj2rsIvyf0DToRjpuuElgrG6AAgCwbqTcNdB37U+vaAQjIMvujp+72JHWnzB88yCKjmq8JvEHxQD9zIxaDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-06T23:20:32.048470Z"},"content_sha256":"6f01a986908ba72b94a5f44ca5d1a2fe1c72f78fd9d3341b85668a5d3b1d30cc","schema_version":"1.0","event_id":"sha256:6f01a986908ba72b94a5f44ca5d1a2fe1c72f78fd9d3341b85668a5d3b1d30cc"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/SQG2OGZPV2LLODJTNW3DA4RJTX/bundle.json","state_url":"https://pith.science/pith/SQG2OGZPV2LLODJTNW3DA4RJTX/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/SQG2OGZPV2LLODJTNW3DA4RJTX/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":"2026-07-06T23:20:32Z","links":{"resolver":"https://pith.science/pith/SQG2OGZPV2LLODJTNW3DA4RJTX","bundle":"https://pith.science/pith/SQG2OGZPV2LLODJTNW3DA4RJTX/bundle.json","state":"https://pith.science/pith/SQG2OGZPV2LLODJTNW3DA4RJTX/state.json","well_known_bundle":"https://pith.science/.well-known/pith/SQG2OGZPV2LLODJTNW3DA4RJTX/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:SQG2OGZPV2LLODJTNW3DA4RJTX","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":"1e4a6bc545408325f5db2f1b6568202f6942510a054d8fbc0ad5e922bc0ca3bf","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-04T13:14:46Z","title_canon_sha256":"4ffe6ff74cfbddfc9e425a7bb7cd867477da7aa456d6d79f34a548d31202a4c2"},"schema_version":"1.0","source":{"id":"2507.03562","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2507.03562","created_at":"2026-07-05T12:03:28Z"},{"alias_kind":"arxiv_version","alias_value":"2507.03562v1","created_at":"2026-07-05T12:03:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2507.03562","created_at":"2026-07-05T12:03:28Z"},{"alias_kind":"pith_short_12","alias_value":"SQG2OGZPV2LL","created_at":"2026-07-05T12:03:28Z"},{"alias_kind":"pith_short_16","alias_value":"SQG2OGZPV2LLODJT","created_at":"2026-07-05T12:03:28Z"},{"alias_kind":"pith_short_8","alias_value":"SQG2OGZP","created_at":"2026-07-05T12:03:28Z"}],"graph_snapshots":[{"event_id":"sha256:6f01a986908ba72b94a5f44ca5d1a2fe1c72f78fd9d3341b85668a5d3b1d30cc","target":"graph","created_at":"2026-07-05T12:03:28Z","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/2507.03562/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We aim to deepen our understanding of the M-L transition on planetary-mass companions and isolated brown dwarfs, and search for evidence of possible differences between these two populations of objects. To this end, we present a set of 21 VLT/SINFONI K-band observations from five archival programs at a spectral resolution of 4000. We aim to measure atmospheric properties, such as temperature, surface gravity, and metallicity, to understand the similarities and differences between objects ranging from M5 to L5 in spectral type. We extracted the spectra of these targets with the TExTRIS code. Su","authors_text":"A. Denis, A. Simonnin, A. Vigan, B. Charnay, G. Chauvin, K. Hoch, M. Bonnefoy, M. Ravet, P. Baudoz, P. Palma-Bifani, P. Rojo, S. Petrus","cross_cats":["astro-ph.SR"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-04T13:14:46Z","title":"The planetary-mass-limit VLT/SINFONI library: Spectral extraction and atmospheric characterization via forward modeling"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2507.03562","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:e9c954a3b4d6f5e5556f3716cbe3535331a9522c4f42a99e7169e60bcd6e3ef1","target":"record","created_at":"2026-07-05T12:03:28Z","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":"1e4a6bc545408325f5db2f1b6568202f6942510a054d8fbc0ad5e922bc0ca3bf","cross_cats_sorted":["astro-ph.SR"],"license":"http://creativecommons.org/licenses/by-nc-sa/4.0/","primary_cat":"astro-ph.EP","submitted_at":"2025-07-04T13:14:46Z","title_canon_sha256":"4ffe6ff74cfbddfc9e425a7bb7cd867477da7aa456d6d79f34a548d31202a4c2"},"schema_version":"1.0","source":{"id":"2507.03562","kind":"arxiv","version":1}},"canonical_sha256":"940da71b2fae96b70d336db63072299dc222693240c08cd1a67129dd015425cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"940da71b2fae96b70d336db63072299dc222693240c08cd1a67129dd015425cb","first_computed_at":"2026-07-05T12:03:28.763196Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:03:28.763196Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"oBBdu+wcrO+mUVFXy/BWpJF8zYWVNHEKAlunIItvU8UbAXDtO9rH6aw6riPsbIhNekwT2U1ZkzKMhpR3fdCMDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T12:03:28.763728Z","signed_message":"canonical_sha256_bytes"},"source_id":"2507.03562","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e9c954a3b4d6f5e5556f3716cbe3535331a9522c4f42a99e7169e60bcd6e3ef1","sha256:6f01a986908ba72b94a5f44ca5d1a2fe1c72f78fd9d3341b85668a5d3b1d30cc"],"state_sha256":"586da2d82d6272cfa30688d201f0d98f9f1e76c41745f96a2da22739f8e4d519"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"fz00bB//Wx8REX4et9ZaL5vVIit/2jA9tuWSmYGv7mjv4aI0ZVS4oiLpxYJIVfnkHwAwQpwlvMWDd47C9xAXBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-06T23:20:32.050538Z","bundle_sha256":"978537ff0cebf3a3f2563a5343e0ed254970a2c1f0539b94d08050a33ad2d577"}}