{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2005:ZBGOJYATKDZUFLZMC7VGVAE3V6","short_pith_number":"pith:ZBGOJYAT","canonical_record":{"source":{"id":"astro-ph/0509449","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-15T13:26:41Z","cross_cats_sorted":[],"title_canon_sha256":"a24643a132bf844e8d5e1a10abd4d4c346a7ec24c794debd1a782fa3facb4446","abstract_canon_sha256":"6afc66b595661ef41a31947971eecd4e8dda6d5b2ad20e5d17e265dc328a65dc"},"schema_version":"1.0"},"canonical_sha256":"c84ce4e01350f342af2c17ea6a809baf97be9fabf20f0f1d105d42d7247576f1","source":{"kind":"arxiv","id":"astro-ph/0509449","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0509449","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509449v1","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509449","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"pith_short_12","alias_value":"ZBGOJYATKDZU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZBGOJYATKDZUFLZM","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZBGOJYAT","created_at":"2026-05-18T12:25:53Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2005:ZBGOJYATKDZUFLZMC7VGVAE3V6","target":"record","payload":{"canonical_record":{"source":{"id":"astro-ph/0509449","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-15T13:26:41Z","cross_cats_sorted":[],"title_canon_sha256":"a24643a132bf844e8d5e1a10abd4d4c346a7ec24c794debd1a782fa3facb4446","abstract_canon_sha256":"6afc66b595661ef41a31947971eecd4e8dda6d5b2ad20e5d17e265dc328a65dc"},"schema_version":"1.0"},"canonical_sha256":"c84ce4e01350f342af2c17ea6a809baf97be9fabf20f0f1d105d42d7247576f1","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:33:50.804473Z","signature_b64":"XVpa3Nk8o21SAgFFYV7FcFWEqJrPMH55ZWWsw4v7dJtxa4dl/hWEAHtvcchO7PplFq2iBtSjVZ5xylEs4qAzAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c84ce4e01350f342af2c17ea6a809baf97be9fabf20f0f1d105d42d7247576f1","last_reissued_at":"2026-05-18T04:33:50.803890Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:33:50.803890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"astro-ph/0509449","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":"2026-05-18T04:33:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"YW/OFPUaVYjms81funYoUF5Qd4BEslQOj7obexB9csNq7ZinKczvi3YTqC2LemGi2YSvdrgjk+DWngV3wfTwCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:11:45.837061Z"},"content_sha256":"6ee1f8be0903dfef81283a0aceed5054955d8ca95e49ae64a95c978542d3a312","schema_version":"1.0","event_id":"sha256:6ee1f8be0903dfef81283a0aceed5054955d8ca95e49ae64a95c978542d3a312"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2005:ZBGOJYATKDZUFLZMC7VGVAE3V6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On the nature of small amplitude peaks in $\\delta$ Scuti oscillation spectra","license":"","headline":"","cross_cats":[],"primary_cat":"astro-ph","authors_text":"A. A. Pamyatnykh, J. Daszynska-Daszkiewicz, W. A. Dziembowski","submitted_at":"2005-09-15T13:26:41Z","abstract_excerpt":"The standard assumption in interpretation of stellar oscillation spectra from photometry is that the excited mode have low angular degrees, typically $\\ell< 3$. Considering the case of FG Vir, the $\\delta$ Scuti star with the richest known oscillation spectrum, we show that this assumption is not justified for low amplitude peaks. The $\\ell<3$ identifications have been found for 12 dominant peaks from pulsation amplitudes and phases. However, we show that for the rest of the peaks (55), whose amplitudes are typically below 1 mmag, much higher $\\ell$'s are most likely.\n We argue that improving "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509449","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":""},"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":"2026-05-18T04:33:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aSNwfS2Q9lSrHuorTsHiz6X99yow/s+RY0WGJJvFl4PX3d3VzgzdVaBVA/lnao7Ej+/jm87Sx8U5LdJEt0QOBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-01T19:11:45.837698Z"},"content_sha256":"17fcaf2dbb33deacd56fe33bd62db0225b0cfd310a99c6e24f734c4e205e6b1e","schema_version":"1.0","event_id":"sha256:17fcaf2dbb33deacd56fe33bd62db0225b0cfd310a99c6e24f734c4e205e6b1e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ZBGOJYATKDZUFLZMC7VGVAE3V6/bundle.json","state_url":"https://pith.science/pith/ZBGOJYATKDZUFLZMC7VGVAE3V6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ZBGOJYATKDZUFLZMC7VGVAE3V6/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":"2026-06-01T19:11:45Z","links":{"resolver":"https://pith.science/pith/ZBGOJYATKDZUFLZMC7VGVAE3V6","bundle":"https://pith.science/pith/ZBGOJYATKDZUFLZMC7VGVAE3V6/bundle.json","state":"https://pith.science/pith/ZBGOJYATKDZUFLZMC7VGVAE3V6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ZBGOJYATKDZUFLZMC7VGVAE3V6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2005:ZBGOJYATKDZUFLZMC7VGVAE3V6","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":"6afc66b595661ef41a31947971eecd4e8dda6d5b2ad20e5d17e265dc328a65dc","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-15T13:26:41Z","title_canon_sha256":"a24643a132bf844e8d5e1a10abd4d4c346a7ec24c794debd1a782fa3facb4446"},"schema_version":"1.0","source":{"id":"astro-ph/0509449","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"astro-ph/0509449","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"arxiv_version","alias_value":"astro-ph/0509449v1","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.astro-ph/0509449","created_at":"2026-05-18T04:33:50Z"},{"alias_kind":"pith_short_12","alias_value":"ZBGOJYATKDZU","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_16","alias_value":"ZBGOJYATKDZUFLZM","created_at":"2026-05-18T12:25:53Z"},{"alias_kind":"pith_short_8","alias_value":"ZBGOJYAT","created_at":"2026-05-18T12:25:53Z"}],"graph_snapshots":[{"event_id":"sha256:17fcaf2dbb33deacd56fe33bd62db0225b0cfd310a99c6e24f734c4e205e6b1e","target":"graph","created_at":"2026-05-18T04:33:50Z","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"},"paper":{"abstract_excerpt":"The standard assumption in interpretation of stellar oscillation spectra from photometry is that the excited mode have low angular degrees, typically $\\ell< 3$. Considering the case of FG Vir, the $\\delta$ Scuti star with the richest known oscillation spectrum, we show that this assumption is not justified for low amplitude peaks. The $\\ell<3$ identifications have been found for 12 dominant peaks from pulsation amplitudes and phases. However, we show that for the rest of the peaks (55), whose amplitudes are typically below 1 mmag, much higher $\\ell$'s are most likely.\n We argue that improving ","authors_text":"A. A. Pamyatnykh, J. Daszynska-Daszkiewicz, W. A. Dziembowski","cross_cats":[],"headline":"","license":"","primary_cat":"astro-ph","submitted_at":"2005-09-15T13:26:41Z","title":"On the nature of small amplitude peaks in $\\delta$ Scuti oscillation spectra"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"astro-ph/0509449","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":"sha256:6ee1f8be0903dfef81283a0aceed5054955d8ca95e49ae64a95c978542d3a312","target":"record","created_at":"2026-05-18T04:33:50Z","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":"6afc66b595661ef41a31947971eecd4e8dda6d5b2ad20e5d17e265dc328a65dc","cross_cats_sorted":[],"license":"","primary_cat":"astro-ph","submitted_at":"2005-09-15T13:26:41Z","title_canon_sha256":"a24643a132bf844e8d5e1a10abd4d4c346a7ec24c794debd1a782fa3facb4446"},"schema_version":"1.0","source":{"id":"astro-ph/0509449","kind":"arxiv","version":1}},"canonical_sha256":"c84ce4e01350f342af2c17ea6a809baf97be9fabf20f0f1d105d42d7247576f1","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c84ce4e01350f342af2c17ea6a809baf97be9fabf20f0f1d105d42d7247576f1","first_computed_at":"2026-05-18T04:33:50.803890Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:33:50.803890Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XVpa3Nk8o21SAgFFYV7FcFWEqJrPMH55ZWWsw4v7dJtxa4dl/hWEAHtvcchO7PplFq2iBtSjVZ5xylEs4qAzAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:33:50.804473Z","signed_message":"canonical_sha256_bytes"},"source_id":"astro-ph/0509449","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:6ee1f8be0903dfef81283a0aceed5054955d8ca95e49ae64a95c978542d3a312","sha256:17fcaf2dbb33deacd56fe33bd62db0225b0cfd310a99c6e24f734c4e205e6b1e"],"state_sha256":"c7ce06508bf5497c12caa799a783b065c23477491d7057badd82f411b346bd71"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hjWZOcg3HOBNNaMuPyEArfl2owamUn8k6S3I1b+VpJSA1YGB+lDyx9PcR1HpfH/n9edQebaBdVJVUeTDiFzQBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-01T19:11:45.840483Z","bundle_sha256":"bfb1d005d642d15de8db787abf526b9a1b00c31c076cf0bfa6385fe041976f59"}}