{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2024:QSDVR3EBLBJ67ARAVNQRI3SOET","short_pith_number":"pith:QSDVR3EB","canonical_record":{"source":{"id":"2404.10339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-04-16T07:22:54Z","cross_cats_sorted":[],"title_canon_sha256":"29ccced2cc17bd55b51576b3072e35df6c81b99c114070be0869fa87cdf20932","abstract_canon_sha256":"a81015d580eb8a1e79083726fcb9316d3d5032b4cf9294c717c47b35c5fe2ee1"},"schema_version":"1.0"},"canonical_sha256":"848758ec815853ef8220ab61146e4e24f2b5a27a5681209d443da735e23bfb87","source":{"kind":"arxiv","id":"2404.10339","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.10339","created_at":"2026-07-05T08:08:28Z"},{"alias_kind":"arxiv_version","alias_value":"2404.10339v1","created_at":"2026-07-05T08:08:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.10339","created_at":"2026-07-05T08:08:28Z"},{"alias_kind":"pith_short_12","alias_value":"QSDVR3EBLBJ6","created_at":"2026-07-05T08:08:28Z"},{"alias_kind":"pith_short_16","alias_value":"QSDVR3EBLBJ67ARA","created_at":"2026-07-05T08:08:28Z"},{"alias_kind":"pith_short_8","alias_value":"QSDVR3EB","created_at":"2026-07-05T08:08:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2024:QSDVR3EBLBJ67ARAVNQRI3SOET","target":"record","payload":{"canonical_record":{"source":{"id":"2404.10339","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-04-16T07:22:54Z","cross_cats_sorted":[],"title_canon_sha256":"29ccced2cc17bd55b51576b3072e35df6c81b99c114070be0869fa87cdf20932","abstract_canon_sha256":"a81015d580eb8a1e79083726fcb9316d3d5032b4cf9294c717c47b35c5fe2ee1"},"schema_version":"1.0"},"canonical_sha256":"848758ec815853ef8220ab61146e4e24f2b5a27a5681209d443da735e23bfb87","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T08:08:28.964656Z","signature_b64":"WMRpVHlBTnogLEMFq/eVem403v/iVwSds8uJND26W3QngbBgtNtLseNtgbaLl+lst0UnSIete/h5u5bst/ESAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"848758ec815853ef8220ab61146e4e24f2b5a27a5681209d443da735e23bfb87","last_reissued_at":"2026-07-05T08:08:28.964182Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T08:08:28.964182Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2404.10339","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":"2026-07-05T08:08:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RxRG3iAB/v0skDb3sf9qGqY/8394ULdarlkjm4RmuDu6JPs673AVoLxFBj/WYZZML2ZF7PCQwpd5M82arOOxDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T04:45:38.592991Z"},"content_sha256":"40d3eda48c507031f4cdedc692dd2926d55e5e4ae5ac4ea90030f0d4fdc1c91b","schema_version":"1.0","event_id":"sha256:40d3eda48c507031f4cdedc692dd2926d55e5e4ae5ac4ea90030f0d4fdc1c91b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2024:QSDVR3EBLBJ67ARAVNQRI3SOET","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Study of the Balmer decrements for Galactic classical Be stars using the Himalayan Chandra Telescope of India","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Ashish Devaraj, Blesson Mathew, Gourav Banerjee, Santosh Joshi, Sreeja S Kartha, Suman Bhattacharyya","submitted_at":"2024-04-16T07:22:54Z","abstract_excerpt":"In a recent study, Banerjee et al. (2021) produced an atlas of all major emission lines found in a large sample of 115 Galactic field Be stars using the 2-m Himalayan Chandra Telescope (HCT) facility located at Ladakh, India. This paper presents our further exploration of these stars to estimate the electron density in their discs. Our study using Balmer decrement values indicate that their discs are generally optically thick in nature with electron density (n_e) in their circumstellar envelopes (CEs) being in excess of 10^13 cm^-3 for around 65% of the stars. For another 19% stars, the averag"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.10339","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/2404.10339/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":"2026-07-05T08:08:28Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VsXiyX+tdFJad0fcra4gP7r3hcDaWJtYuYaOOIcf/E/8pwFtYETP3OM1Lk1lxjqARf6BlL7bUdBK7IO/olsuDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T04:45:38.593476Z"},"content_sha256":"71583f573341e9c79365a10df3a93529b7bcdeff518aef7e1b78fcfd25a873fb","schema_version":"1.0","event_id":"sha256:71583f573341e9c79365a10df3a93529b7bcdeff518aef7e1b78fcfd25a873fb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/QSDVR3EBLBJ67ARAVNQRI3SOET/bundle.json","state_url":"https://pith.science/pith/QSDVR3EBLBJ67ARAVNQRI3SOET/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/QSDVR3EBLBJ67ARAVNQRI3SOET/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":"2026-08-08T04:45:38Z","links":{"resolver":"https://pith.science/pith/QSDVR3EBLBJ67ARAVNQRI3SOET","bundle":"https://pith.science/pith/QSDVR3EBLBJ67ARAVNQRI3SOET/bundle.json","state":"https://pith.science/pith/QSDVR3EBLBJ67ARAVNQRI3SOET/state.json","well_known_bundle":"https://pith.science/.well-known/pith/QSDVR3EBLBJ67ARAVNQRI3SOET/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2024:QSDVR3EBLBJ67ARAVNQRI3SOET","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":"a81015d580eb8a1e79083726fcb9316d3d5032b4cf9294c717c47b35c5fe2ee1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-04-16T07:22:54Z","title_canon_sha256":"29ccced2cc17bd55b51576b3072e35df6c81b99c114070be0869fa87cdf20932"},"schema_version":"1.0","source":{"id":"2404.10339","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2404.10339","created_at":"2026-07-05T08:08:28Z"},{"alias_kind":"arxiv_version","alias_value":"2404.10339v1","created_at":"2026-07-05T08:08:28Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2404.10339","created_at":"2026-07-05T08:08:28Z"},{"alias_kind":"pith_short_12","alias_value":"QSDVR3EBLBJ6","created_at":"2026-07-05T08:08:28Z"},{"alias_kind":"pith_short_16","alias_value":"QSDVR3EBLBJ67ARA","created_at":"2026-07-05T08:08:28Z"},{"alias_kind":"pith_short_8","alias_value":"QSDVR3EB","created_at":"2026-07-05T08:08:28Z"}],"graph_snapshots":[{"event_id":"sha256:71583f573341e9c79365a10df3a93529b7bcdeff518aef7e1b78fcfd25a873fb","target":"graph","created_at":"2026-07-05T08:08:28Z","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/2404.10339/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In a recent study, Banerjee et al. (2021) produced an atlas of all major emission lines found in a large sample of 115 Galactic field Be stars using the 2-m Himalayan Chandra Telescope (HCT) facility located at Ladakh, India. This paper presents our further exploration of these stars to estimate the electron density in their discs. Our study using Balmer decrement values indicate that their discs are generally optically thick in nature with electron density (n_e) in their circumstellar envelopes (CEs) being in excess of 10^13 cm^-3 for around 65% of the stars. For another 19% stars, the averag","authors_text":"Ashish Devaraj, Blesson Mathew, Gourav Banerjee, Santosh Joshi, Sreeja S Kartha, Suman Bhattacharyya","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-04-16T07:22:54Z","title":"Study of the Balmer decrements for Galactic classical Be stars using the Himalayan Chandra Telescope of India"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2404.10339","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":"sha256:40d3eda48c507031f4cdedc692dd2926d55e5e4ae5ac4ea90030f0d4fdc1c91b","target":"record","created_at":"2026-07-05T08:08:28Z","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":"a81015d580eb8a1e79083726fcb9316d3d5032b4cf9294c717c47b35c5fe2ee1","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2024-04-16T07:22:54Z","title_canon_sha256":"29ccced2cc17bd55b51576b3072e35df6c81b99c114070be0869fa87cdf20932"},"schema_version":"1.0","source":{"id":"2404.10339","kind":"arxiv","version":1}},"canonical_sha256":"848758ec815853ef8220ab61146e4e24f2b5a27a5681209d443da735e23bfb87","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"848758ec815853ef8220ab61146e4e24f2b5a27a5681209d443da735e23bfb87","first_computed_at":"2026-07-05T08:08:28.964182Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T08:08:28.964182Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WMRpVHlBTnogLEMFq/eVem403v/iVwSds8uJND26W3QngbBgtNtLseNtgbaLl+lst0UnSIete/h5u5bst/ESAw==","signature_status":"signed_v1","signed_at":"2026-07-05T08:08:28.964656Z","signed_message":"canonical_sha256_bytes"},"source_id":"2404.10339","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:40d3eda48c507031f4cdedc692dd2926d55e5e4ae5ac4ea90030f0d4fdc1c91b","sha256:71583f573341e9c79365a10df3a93529b7bcdeff518aef7e1b78fcfd25a873fb"],"state_sha256":"db0a51011ec41f426a785c8bec210d03f0c0e9eecec54a9e1792bb8e5d11c5a3"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"z03QRkaXZRjseI5yTNbruHMyj41axQJMycC8wboipfXwog07OWNIye0GUP1W/n+d5lOA3V8FigPWSK4lXvUcBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T04:45:38.596803Z","bundle_sha256":"2c8cee776209eae2104de59dc3abbbad3cf37dad49088633806de30174a8901d"}}