{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2019:7JKY53BQS4MMPAXZTFGDLKBXII","short_pith_number":"pith:7JKY53BQ","schema_version":"1.0","canonical_sha256":"fa558eec309718c782f9994c35a8374209264fc51116fbebd6271e6059b1a518","source":{"kind":"arxiv","id":"1901.09170","version":1},"attestation_state":"computed","paper":{"title":"Spectral Calibration of K$-$M Giants from medium resolution near-infrared HK-band spectra","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Dhrimadri Khata, Ramkrishna Das, Soumen Mondal, Supriyo Ghosh","submitted_at":"2019-01-26T06:17:56Z","abstract_excerpt":"We present here new medium resolution spectra ($\\lambda/\\Delta\\lambda$ $\\sim$ 1200) of K$-$M giants covering wavelength range 1.50$-$1.80 and 1.95$-$2.45 $\\mu$m. The sample includes 72 K0$-$M8 giants from our TIRSPEC observations and all available 35 giants in that spectral range from archival IRTF spectral library. We have calibrated here the empirical relations between fundamental parameters (e.g., effective temperature, surface gravity) and equivalent widths of some important spectral features like Si I, Na I, Ca I, $^{12}$CO. We find that the $^{12}$CO first overtone band at 2.29 $\\mu$m an"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1901.09170","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2019-01-26T06:17:56Z","cross_cats_sorted":[],"title_canon_sha256":"722fe2784219b805fd10e7bc9c64fd5dadd12950605a4bfa642a906e0c09ba40","abstract_canon_sha256":"bf8172f30ea79b0a90beb35ace0adc009b1a303b8cfd798e323cb4d5e135a25c"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:53:20.642070Z","signature_b64":"9ggq0YyEnvT4Ob2oAvBNm6GO1qgEAGvlg3X6NxA0+O5Zfm83dAsNY9uuIN4CvzK0RcVo9EQI07BUXDdGf1puDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fa558eec309718c782f9994c35a8374209264fc51116fbebd6271e6059b1a518","last_reissued_at":"2026-05-17T23:53:20.641411Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:53:20.641411Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Spectral Calibration of K$-$M Giants from medium resolution near-infrared HK-band spectra","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Dhrimadri Khata, Ramkrishna Das, Soumen Mondal, Supriyo Ghosh","submitted_at":"2019-01-26T06:17:56Z","abstract_excerpt":"We present here new medium resolution spectra ($\\lambda/\\Delta\\lambda$ $\\sim$ 1200) of K$-$M giants covering wavelength range 1.50$-$1.80 and 1.95$-$2.45 $\\mu$m. The sample includes 72 K0$-$M8 giants from our TIRSPEC observations and all available 35 giants in that spectral range from archival IRTF spectral library. We have calibrated here the empirical relations between fundamental parameters (e.g., effective temperature, surface gravity) and equivalent widths of some important spectral features like Si I, Na I, Ca I, $^{12}$CO. We find that the $^{12}$CO first overtone band at 2.29 $\\mu$m an"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1901.09170","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1901.09170","created_at":"2026-05-17T23:53:20.641514+00:00"},{"alias_kind":"arxiv_version","alias_value":"1901.09170v1","created_at":"2026-05-17T23:53:20.641514+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1901.09170","created_at":"2026-05-17T23:53:20.641514+00:00"},{"alias_kind":"pith_short_12","alias_value":"7JKY53BQS4MM","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_16","alias_value":"7JKY53BQS4MMPAXZ","created_at":"2026-05-18T12:33:12.712433+00:00"},{"alias_kind":"pith_short_8","alias_value":"7JKY53BQ","created_at":"2026-05-18T12:33:12.712433+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/7JKY53BQS4MMPAXZTFGDLKBXII","json":"https://pith.science/pith/7JKY53BQS4MMPAXZTFGDLKBXII.json","graph_json":"https://pith.science/api/pith-number/7JKY53BQS4MMPAXZTFGDLKBXII/graph.json","events_json":"https://pith.science/api/pith-number/7JKY53BQS4MMPAXZTFGDLKBXII/events.json","paper":"https://pith.science/paper/7JKY53BQ"},"agent_actions":{"view_html":"https://pith.science/pith/7JKY53BQS4MMPAXZTFGDLKBXII","download_json":"https://pith.science/pith/7JKY53BQS4MMPAXZTFGDLKBXII.json","view_paper":"https://pith.science/paper/7JKY53BQ","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1901.09170&json=true","fetch_graph":"https://pith.science/api/pith-number/7JKY53BQS4MMPAXZTFGDLKBXII/graph.json","fetch_events":"https://pith.science/api/pith-number/7JKY53BQS4MMPAXZTFGDLKBXII/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/7JKY53BQS4MMPAXZTFGDLKBXII/action/timestamp_anchor","attest_storage":"https://pith.science/pith/7JKY53BQS4MMPAXZTFGDLKBXII/action/storage_attestation","attest_author":"https://pith.science/pith/7JKY53BQS4MMPAXZTFGDLKBXII/action/author_attestation","sign_citation":"https://pith.science/pith/7JKY53BQS4MMPAXZTFGDLKBXII/action/citation_signature","submit_replication":"https://pith.science/pith/7JKY53BQS4MMPAXZTFGDLKBXII/action/replication_record"}},"created_at":"2026-05-17T23:53:20.641514+00:00","updated_at":"2026-05-17T23:53:20.641514+00:00"}