{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:F6G4V4SWBG657EP2BBGKCKQZGA","short_pith_number":"pith:F6G4V4SW","canonical_record":{"source":{"id":"1212.6594","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-29T06:40:54Z","cross_cats_sorted":[],"title_canon_sha256":"a457bd7953b38bbb3a6143e51aac40085c5657c0b0d8963796c977c555ec8cac","abstract_canon_sha256":"0f11f8b9943988e704d67e703d2b70d5113d85e83b4f910bb05c6d019bb1d157"},"schema_version":"1.0"},"canonical_sha256":"2f8dcaf25609bddf91fa084ca12a19303fbf24f5367d06e36cf67cf532b333af","source":{"kind":"arxiv","id":"1212.6594","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.6594","created_at":"2026-05-18T03:37:31Z"},{"alias_kind":"arxiv_version","alias_value":"1212.6594v1","created_at":"2026-05-18T03:37:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.6594","created_at":"2026-05-18T03:37:31Z"},{"alias_kind":"pith_short_12","alias_value":"F6G4V4SWBG65","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"F6G4V4SWBG657EP2","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"F6G4V4SW","created_at":"2026-05-18T12:27:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:F6G4V4SWBG657EP2BBGKCKQZGA","target":"record","payload":{"canonical_record":{"source":{"id":"1212.6594","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-29T06:40:54Z","cross_cats_sorted":[],"title_canon_sha256":"a457bd7953b38bbb3a6143e51aac40085c5657c0b0d8963796c977c555ec8cac","abstract_canon_sha256":"0f11f8b9943988e704d67e703d2b70d5113d85e83b4f910bb05c6d019bb1d157"},"schema_version":"1.0"},"canonical_sha256":"2f8dcaf25609bddf91fa084ca12a19303fbf24f5367d06e36cf67cf532b333af","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:37:31.459151Z","signature_b64":"hpU8Fj4oaBhGpA24vTMl13MJGZHycveCkfRfolpJzYI+S1UUGP/SLHIigc7515vKvbSxErbvKlfp/IVyWdjpAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f8dcaf25609bddf91fa084ca12a19303fbf24f5367d06e36cf67cf532b333af","last_reissued_at":"2026-05-18T03:37:31.458439Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:37:31.458439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1212.6594","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":"2026-05-18T03:37:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dgUtvHvgqJnA8f8jANBpvOlcKEdRNVxe5UswDCyUOzfKvMmmEncBiV18LzitKXArYLxhIS75aavMPBj8c/WaBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T21:33:01.109156Z"},"content_sha256":"17e6eabfbca252234af239fe850e56abf3c65ea5d4b99baa51c5053cc771bdef","schema_version":"1.0","event_id":"sha256:17e6eabfbca252234af239fe850e56abf3c65ea5d4b99baa51c5053cc771bdef"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:F6G4V4SWBG657EP2BBGKCKQZGA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Optical and Near-infrared survey of the stellar contents associated with the star-forming Complex Sh2-252","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A.K. Pandey, B.C. Bhatt, C. Eswaraiah, D.K. Ojha, H. Mito, Jessy Jose, K. Ogura, M.R. Samal, N. Chauhan, N. Kobayashi, R.K. Yadav","submitted_at":"2012-12-29T06:40:54Z","abstract_excerpt":"We present the analyses of the stellar contents associated with the HII region Sh2-252 using UBVRI photometry, slit and slitless spectroscopy along with the NIR data from 2MASS for an area ~1 degree x 1 degree. We studied the sub-regions of Sh2-252 which includes four compact-HII (CHII) regions, namely A, B, C and E and two clusters NGC 2175s and Teutsch 136 (Teu 136). Of the fifteen spectroscopically observed bright stars, eight have been identified as massive members of spectral class earlier than B3. From the spectro-photometric analyses, we derived the average distance of the region as 2.4"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.6594","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":"2026-05-18T03:37:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"y5ZYzbKjMj4AjFOUsUrJGiONdKFpZLB3J4j670f8bs0nzgeqz3cx9fZVfvs96/dEEnVVUUNslt8Fym4Yz8IZCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-18T21:33:01.109787Z"},"content_sha256":"8460377f709ef0bcd1825e44990b5f76c30100b4b7c4cee4cb298f0186c09aa8","schema_version":"1.0","event_id":"sha256:8460377f709ef0bcd1825e44990b5f76c30100b4b7c4cee4cb298f0186c09aa8"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F6G4V4SWBG657EP2BBGKCKQZGA/bundle.json","state_url":"https://pith.science/pith/F6G4V4SWBG657EP2BBGKCKQZGA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F6G4V4SWBG657EP2BBGKCKQZGA/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":"2026-05-18T21:33:01Z","links":{"resolver":"https://pith.science/pith/F6G4V4SWBG657EP2BBGKCKQZGA","bundle":"https://pith.science/pith/F6G4V4SWBG657EP2BBGKCKQZGA/bundle.json","state":"https://pith.science/pith/F6G4V4SWBG657EP2BBGKCKQZGA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F6G4V4SWBG657EP2BBGKCKQZGA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:F6G4V4SWBG657EP2BBGKCKQZGA","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":"0f11f8b9943988e704d67e703d2b70d5113d85e83b4f910bb05c6d019bb1d157","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-29T06:40:54Z","title_canon_sha256":"a457bd7953b38bbb3a6143e51aac40085c5657c0b0d8963796c977c555ec8cac"},"schema_version":"1.0","source":{"id":"1212.6594","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1212.6594","created_at":"2026-05-18T03:37:31Z"},{"alias_kind":"arxiv_version","alias_value":"1212.6594v1","created_at":"2026-05-18T03:37:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1212.6594","created_at":"2026-05-18T03:37:31Z"},{"alias_kind":"pith_short_12","alias_value":"F6G4V4SWBG65","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_16","alias_value":"F6G4V4SWBG657EP2","created_at":"2026-05-18T12:27:04Z"},{"alias_kind":"pith_short_8","alias_value":"F6G4V4SW","created_at":"2026-05-18T12:27:04Z"}],"graph_snapshots":[{"event_id":"sha256:8460377f709ef0bcd1825e44990b5f76c30100b4b7c4cee4cb298f0186c09aa8","target":"graph","created_at":"2026-05-18T03:37:31Z","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":"We present the analyses of the stellar contents associated with the HII region Sh2-252 using UBVRI photometry, slit and slitless spectroscopy along with the NIR data from 2MASS for an area ~1 degree x 1 degree. We studied the sub-regions of Sh2-252 which includes four compact-HII (CHII) regions, namely A, B, C and E and two clusters NGC 2175s and Teutsch 136 (Teu 136). Of the fifteen spectroscopically observed bright stars, eight have been identified as massive members of spectral class earlier than B3. From the spectro-photometric analyses, we derived the average distance of the region as 2.4","authors_text":"A.K. Pandey, B.C. Bhatt, C. Eswaraiah, D.K. Ojha, H. Mito, Jessy Jose, K. Ogura, M.R. Samal, N. Chauhan, N. Kobayashi, R.K. Yadav","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-29T06:40:54Z","title":"Optical and Near-infrared survey of the stellar contents associated with the star-forming Complex Sh2-252"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1212.6594","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":"sha256:17e6eabfbca252234af239fe850e56abf3c65ea5d4b99baa51c5053cc771bdef","target":"record","created_at":"2026-05-18T03:37:31Z","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":"0f11f8b9943988e704d67e703d2b70d5113d85e83b4f910bb05c6d019bb1d157","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-12-29T06:40:54Z","title_canon_sha256":"a457bd7953b38bbb3a6143e51aac40085c5657c0b0d8963796c977c555ec8cac"},"schema_version":"1.0","source":{"id":"1212.6594","kind":"arxiv","version":1}},"canonical_sha256":"2f8dcaf25609bddf91fa084ca12a19303fbf24f5367d06e36cf67cf532b333af","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f8dcaf25609bddf91fa084ca12a19303fbf24f5367d06e36cf67cf532b333af","first_computed_at":"2026-05-18T03:37:31.458439Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:37:31.458439Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hpU8Fj4oaBhGpA24vTMl13MJGZHycveCkfRfolpJzYI+S1UUGP/SLHIigc7515vKvbSxErbvKlfp/IVyWdjpAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T03:37:31.459151Z","signed_message":"canonical_sha256_bytes"},"source_id":"1212.6594","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:17e6eabfbca252234af239fe850e56abf3c65ea5d4b99baa51c5053cc771bdef","sha256:8460377f709ef0bcd1825e44990b5f76c30100b4b7c4cee4cb298f0186c09aa8"],"state_sha256":"9d7d3e2710fc6086288ff2c9c2fcedf5507f74b0b6728dfa805bed288e5c6b3f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k0qtFU1pGQzLgcCA1ZdWXCwTTTI1+CE13Uv2BSyDMcl1tbX1M4L7leo9ZgssUWgvbu1cQjY/IOu7BZfWdvOoDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-18T21:33:01.111932Z","bundle_sha256":"fc8c51c8a0d92635ea436555a06b528903e162f011f5e6b7f0233d6369c617a0"}}