{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:WDYFER24C2UQSJENLX2YZY4PII","short_pith_number":"pith:WDYFER24","canonical_record":{"source":{"id":"2309.06273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-09-12T14:34:54Z","cross_cats_sorted":["astro-ph.GA","physics.atom-ph"],"title_canon_sha256":"03f958858ea016c1c2049c2ee66edc778b046b657e09e6f56b41cb052d1885e3","abstract_canon_sha256":"26ed9b6bed7d456dd9906c45f8c48e3f1aed6ab9c16b746473787b226d06e2de"},"schema_version":"1.0"},"canonical_sha256":"b0f052475c16a909248d5df58ce38f422e699b092094dd84c543725ea0ff2d3b","source":{"kind":"arxiv","id":"2309.06273","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.06273","created_at":"2026-07-05T06:50:05Z"},{"alias_kind":"arxiv_version","alias_value":"2309.06273v1","created_at":"2026-07-05T06:50:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.06273","created_at":"2026-07-05T06:50:05Z"},{"alias_kind":"pith_short_12","alias_value":"WDYFER24C2UQ","created_at":"2026-07-05T06:50:05Z"},{"alias_kind":"pith_short_16","alias_value":"WDYFER24C2UQSJEN","created_at":"2026-07-05T06:50:05Z"},{"alias_kind":"pith_short_8","alias_value":"WDYFER24","created_at":"2026-07-05T06:50:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:WDYFER24C2UQSJENLX2YZY4PII","target":"record","payload":{"canonical_record":{"source":{"id":"2309.06273","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-09-12T14:34:54Z","cross_cats_sorted":["astro-ph.GA","physics.atom-ph"],"title_canon_sha256":"03f958858ea016c1c2049c2ee66edc778b046b657e09e6f56b41cb052d1885e3","abstract_canon_sha256":"26ed9b6bed7d456dd9906c45f8c48e3f1aed6ab9c16b746473787b226d06e2de"},"schema_version":"1.0"},"canonical_sha256":"b0f052475c16a909248d5df58ce38f422e699b092094dd84c543725ea0ff2d3b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:50:05.812540Z","signature_b64":"/Nz/2Gf8ylbYt/byEarbWEhGofragega3Cz0+2FzNX5ITLUqhI4BT9kWSh6dtDTKV50+WpdzsaaXW0a5iK+8DA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b0f052475c16a909248d5df58ce38f422e699b092094dd84c543725ea0ff2d3b","last_reissued_at":"2026-07-05T06:50:05.812101Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:50:05.812101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2309.06273","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":"2026-07-05T06:50:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"CkdMpE46pf/nHL7K8P4ucA0SqxE6cQJra6gTpOIU1uSy62H2ZZtDEu2AM/1TIlAQ6k+vAIQ/wF+IjOBFGbjtAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T01:02:34.777665Z"},"content_sha256":"4aaa987661af2f282a98bdd1c50a5c839f931bf70af60acc72d6eb2cf2974e40","schema_version":"1.0","event_id":"sha256:4aaa987661af2f282a98bdd1c50a5c839f931bf70af60acc72d6eb2cf2974e40"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:WDYFER24C2UQSJENLX2YZY4PII","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Experimental oscillator strengths of Al I lines for near-infrared astrophysical spectroscopy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA","physics.atom-ph"],"primary_cat":"astro-ph.SR","authors_text":"Hampus Nilsson, Henrik Hartman, Madeleine Burheim","submitted_at":"2023-09-12T14:34:54Z","abstract_excerpt":"Elemental abundances can be determined from stellar spectra, making it possible to study galactic formation and evolution. Accurate atomic data is essential for the reliable interpretation and modeling of astrophysical spectra. In this work, we perform laboratory studies on neutral aluminium. This element is found, for example, in young, massive stars and it is a key element for tracing ongoing nucleosynthesis throughout the Galaxy. The near-infrared (NIR) wavelength region is of particular importance, since extinction in this region is lower than for optical wavelengths. This makes the NIR wa"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.06273","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/2309.06273/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":"2026-07-05T06:50:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"SKzAoR2VlkZvQISKDAtuG/9Dwov6ShWmG48CG9Ux5Immh+CfAaUvSOkjpWCNAYsyN2IqruxsV36YCkZiroDnCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-17T01:02:34.778031Z"},"content_sha256":"27d1309f808a5cd91ba3596bacfb4a0dadfb3b61704053a789cada6b9b1386fd","schema_version":"1.0","event_id":"sha256:27d1309f808a5cd91ba3596bacfb4a0dadfb3b61704053a789cada6b9b1386fd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WDYFER24C2UQSJENLX2YZY4PII/bundle.json","state_url":"https://pith.science/pith/WDYFER24C2UQSJENLX2YZY4PII/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WDYFER24C2UQSJENLX2YZY4PII/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":"2026-07-17T01:02:34Z","links":{"resolver":"https://pith.science/pith/WDYFER24C2UQSJENLX2YZY4PII","bundle":"https://pith.science/pith/WDYFER24C2UQSJENLX2YZY4PII/bundle.json","state":"https://pith.science/pith/WDYFER24C2UQSJENLX2YZY4PII/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WDYFER24C2UQSJENLX2YZY4PII/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:WDYFER24C2UQSJENLX2YZY4PII","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":"26ed9b6bed7d456dd9906c45f8c48e3f1aed6ab9c16b746473787b226d06e2de","cross_cats_sorted":["astro-ph.GA","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-09-12T14:34:54Z","title_canon_sha256":"03f958858ea016c1c2049c2ee66edc778b046b657e09e6f56b41cb052d1885e3"},"schema_version":"1.0","source":{"id":"2309.06273","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2309.06273","created_at":"2026-07-05T06:50:05Z"},{"alias_kind":"arxiv_version","alias_value":"2309.06273v1","created_at":"2026-07-05T06:50:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2309.06273","created_at":"2026-07-05T06:50:05Z"},{"alias_kind":"pith_short_12","alias_value":"WDYFER24C2UQ","created_at":"2026-07-05T06:50:05Z"},{"alias_kind":"pith_short_16","alias_value":"WDYFER24C2UQSJEN","created_at":"2026-07-05T06:50:05Z"},{"alias_kind":"pith_short_8","alias_value":"WDYFER24","created_at":"2026-07-05T06:50:05Z"}],"graph_snapshots":[{"event_id":"sha256:27d1309f808a5cd91ba3596bacfb4a0dadfb3b61704053a789cada6b9b1386fd","target":"graph","created_at":"2026-07-05T06:50:05Z","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/2309.06273/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Elemental abundances can be determined from stellar spectra, making it possible to study galactic formation and evolution. Accurate atomic data is essential for the reliable interpretation and modeling of astrophysical spectra. In this work, we perform laboratory studies on neutral aluminium. This element is found, for example, in young, massive stars and it is a key element for tracing ongoing nucleosynthesis throughout the Galaxy. The near-infrared (NIR) wavelength region is of particular importance, since extinction in this region is lower than for optical wavelengths. This makes the NIR wa","authors_text":"Hampus Nilsson, Henrik Hartman, Madeleine Burheim","cross_cats":["astro-ph.GA","physics.atom-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-09-12T14:34:54Z","title":"Experimental oscillator strengths of Al I lines for near-infrared astrophysical spectroscopy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2309.06273","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":"sha256:4aaa987661af2f282a98bdd1c50a5c839f931bf70af60acc72d6eb2cf2974e40","target":"record","created_at":"2026-07-05T06:50:05Z","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":"26ed9b6bed7d456dd9906c45f8c48e3f1aed6ab9c16b746473787b226d06e2de","cross_cats_sorted":["astro-ph.GA","physics.atom-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2023-09-12T14:34:54Z","title_canon_sha256":"03f958858ea016c1c2049c2ee66edc778b046b657e09e6f56b41cb052d1885e3"},"schema_version":"1.0","source":{"id":"2309.06273","kind":"arxiv","version":1}},"canonical_sha256":"b0f052475c16a909248d5df58ce38f422e699b092094dd84c543725ea0ff2d3b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b0f052475c16a909248d5df58ce38f422e699b092094dd84c543725ea0ff2d3b","first_computed_at":"2026-07-05T06:50:05.812101Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:50:05.812101Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/Nz/2Gf8ylbYt/byEarbWEhGofragega3Cz0+2FzNX5ITLUqhI4BT9kWSh6dtDTKV50+WpdzsaaXW0a5iK+8DA==","signature_status":"signed_v1","signed_at":"2026-07-05T06:50:05.812540Z","signed_message":"canonical_sha256_bytes"},"source_id":"2309.06273","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:4aaa987661af2f282a98bdd1c50a5c839f931bf70af60acc72d6eb2cf2974e40","sha256:27d1309f808a5cd91ba3596bacfb4a0dadfb3b61704053a789cada6b9b1386fd"],"state_sha256":"b80a83413f95be5fa7d95e47fcc06cd2fad522cbca5ffcca77825312045bb1f8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"KK9T/DDqhJb40EX//ri/h9WiFfmc3LGVMU8V0lUNsScyM57gGf3rIc+VWuXjYKM/otv4+qH1ISHAc+mBinlYCQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-17T01:02:34.780096Z","bundle_sha256":"831016feb9508cfdbd4ddfc609f411f4c16cf457bd6b0601e47cd6ae258e25e2"}}