{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:7BN26U5VXJD3W2DOGN7MQOFFKQ","short_pith_number":"pith:7BN26U5V","canonical_record":{"source":{"id":"1103.3396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-17T12:45:40Z","cross_cats_sorted":[],"title_canon_sha256":"9554f5b99012f3d1d0d3fecffb797c42a7af471d911eae6e8d271ad67d4efda1","abstract_canon_sha256":"29d54bc3baa4fdedaa5552eb68c751fad1f9ac8988f969286762c6d74c5f0602"},"schema_version":"1.0"},"canonical_sha256":"f85baf53b5ba47bb686e337ec838a5543a8cbdbd875efd50cfc9840a495718a8","source":{"kind":"arxiv","id":"1103.3396","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.3396","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"arxiv_version","alias_value":"1103.3396v1","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.3396","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"pith_short_12","alias_value":"7BN26U5VXJD3","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7BN26U5VXJD3W2DO","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7BN26U5V","created_at":"2026-05-18T12:26:22Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:7BN26U5VXJD3W2DOGN7MQOFFKQ","target":"record","payload":{"canonical_record":{"source":{"id":"1103.3396","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-17T12:45:40Z","cross_cats_sorted":[],"title_canon_sha256":"9554f5b99012f3d1d0d3fecffb797c42a7af471d911eae6e8d271ad67d4efda1","abstract_canon_sha256":"29d54bc3baa4fdedaa5552eb68c751fad1f9ac8988f969286762c6d74c5f0602"},"schema_version":"1.0"},"canonical_sha256":"f85baf53b5ba47bb686e337ec838a5543a8cbdbd875efd50cfc9840a495718a8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:02:50.359873Z","signature_b64":"aRFuybWtvOavLvK8YEzS/5390gNmgokWa2fdA/vbFXpVgMEWmhJr1jRQPhmwD1WBkIugmo3sW84YpDI4jtnNCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f85baf53b5ba47bb686e337ec838a5543a8cbdbd875efd50cfc9840a495718a8","last_reissued_at":"2026-05-18T02:02:50.359189Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:02:50.359189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1103.3396","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":"2026-05-18T02:02:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"dGwEDx8wMIPT2NQ8moPLxHXipDyL1lxam0ZKe03xfBH17S75n9dWG2A1MXH8OZwogHFIiEOeCAFWErhrx7GeDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:50:56.341793Z"},"content_sha256":"1bcaa73c6e02b803ab44905f8cd740f364017c7cf4180982408507dad2bab892","schema_version":"1.0","event_id":"sha256:1bcaa73c6e02b803ab44905f8cd740f364017c7cf4180982408507dad2bab892"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:7BN26U5VXJD3W2DOGN7MQOFFKQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Star formation in bright-rimmed clouds and cluster associated with W5 E H{\\sc ii} region","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. K. Pandey, D. K. Ojha, H. Mito, J. Jose, K. Ogura, M. R. Samal, Neelam Chauhan","submitted_at":"2011-03-17T12:45:40Z","abstract_excerpt":"The aim of this paper is to present the results of photometric investigations of the central cluster of the W5 E region as well as a follow-up study of the triggered star formation in and around bright-rimmed clouds (BRCs). We have carried out wide field $UBVI_c$ and deep $VI_c$ photometry of the W5 E H{\\sc ii} region. A distance of $\\sim$2.1 kpc and a mean age of $\\sim$1.3 Myr have been obtained for the central cluster. The young stellar objects (YSOs) associated with the region are identified on the basis of near-infrared and mid-infrared observations. We confirmed our earlier results that t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.3396","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":"2026-05-18T02:02:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/7ehxXX2pHs2GvePeq8ASrnWrANccV+ORcIBIK6W+vZp8suXh6/Y/7OAUfIt8Qbu9pKscBJOI+29Wl9PvLn8DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T00:50:56.342502Z"},"content_sha256":"1243d3ec37019bc79c15a4c0a9b7463f4975e657f24e5b4a8f5f62c7a09f064f","schema_version":"1.0","event_id":"sha256:1243d3ec37019bc79c15a4c0a9b7463f4975e657f24e5b4a8f5f62c7a09f064f"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7BN26U5VXJD3W2DOGN7MQOFFKQ/bundle.json","state_url":"https://pith.science/pith/7BN26U5VXJD3W2DOGN7MQOFFKQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7BN26U5VXJD3W2DOGN7MQOFFKQ/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":"2026-05-26T00:50:56Z","links":{"resolver":"https://pith.science/pith/7BN26U5VXJD3W2DOGN7MQOFFKQ","bundle":"https://pith.science/pith/7BN26U5VXJD3W2DOGN7MQOFFKQ/bundle.json","state":"https://pith.science/pith/7BN26U5VXJD3W2DOGN7MQOFFKQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7BN26U5VXJD3W2DOGN7MQOFFKQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:7BN26U5VXJD3W2DOGN7MQOFFKQ","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":"29d54bc3baa4fdedaa5552eb68c751fad1f9ac8988f969286762c6d74c5f0602","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-17T12:45:40Z","title_canon_sha256":"9554f5b99012f3d1d0d3fecffb797c42a7af471d911eae6e8d271ad67d4efda1"},"schema_version":"1.0","source":{"id":"1103.3396","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1103.3396","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"arxiv_version","alias_value":"1103.3396v1","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1103.3396","created_at":"2026-05-18T02:02:50Z"},{"alias_kind":"pith_short_12","alias_value":"7BN26U5VXJD3","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_16","alias_value":"7BN26U5VXJD3W2DO","created_at":"2026-05-18T12:26:22Z"},{"alias_kind":"pith_short_8","alias_value":"7BN26U5V","created_at":"2026-05-18T12:26:22Z"}],"graph_snapshots":[{"event_id":"sha256:1243d3ec37019bc79c15a4c0a9b7463f4975e657f24e5b4a8f5f62c7a09f064f","target":"graph","created_at":"2026-05-18T02:02:50Z","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 aim of this paper is to present the results of photometric investigations of the central cluster of the W5 E region as well as a follow-up study of the triggered star formation in and around bright-rimmed clouds (BRCs). We have carried out wide field $UBVI_c$ and deep $VI_c$ photometry of the W5 E H{\\sc ii} region. A distance of $\\sim$2.1 kpc and a mean age of $\\sim$1.3 Myr have been obtained for the central cluster. The young stellar objects (YSOs) associated with the region are identified on the basis of near-infrared and mid-infrared observations. We confirmed our earlier results that t","authors_text":"A. K. Pandey, D. K. Ojha, H. Mito, J. Jose, K. Ogura, M. R. Samal, Neelam Chauhan","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-17T12:45:40Z","title":"Star formation in bright-rimmed clouds and cluster associated with W5 E H{\\sc ii} region"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1103.3396","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":"sha256:1bcaa73c6e02b803ab44905f8cd740f364017c7cf4180982408507dad2bab892","target":"record","created_at":"2026-05-18T02:02:50Z","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":"29d54bc3baa4fdedaa5552eb68c751fad1f9ac8988f969286762c6d74c5f0602","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2011-03-17T12:45:40Z","title_canon_sha256":"9554f5b99012f3d1d0d3fecffb797c42a7af471d911eae6e8d271ad67d4efda1"},"schema_version":"1.0","source":{"id":"1103.3396","kind":"arxiv","version":1}},"canonical_sha256":"f85baf53b5ba47bb686e337ec838a5543a8cbdbd875efd50cfc9840a495718a8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f85baf53b5ba47bb686e337ec838a5543a8cbdbd875efd50cfc9840a495718a8","first_computed_at":"2026-05-18T02:02:50.359189Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:02:50.359189Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aRFuybWtvOavLvK8YEzS/5390gNmgokWa2fdA/vbFXpVgMEWmhJr1jRQPhmwD1WBkIugmo3sW84YpDI4jtnNCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T02:02:50.359873Z","signed_message":"canonical_sha256_bytes"},"source_id":"1103.3396","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1bcaa73c6e02b803ab44905f8cd740f364017c7cf4180982408507dad2bab892","sha256:1243d3ec37019bc79c15a4c0a9b7463f4975e657f24e5b4a8f5f62c7a09f064f"],"state_sha256":"eadc07b558c826f9441ddf26f786698b26dd99eb1655effcb6e42038f86b82bc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"X+nyYNCGHIQSl+KMij7jiZdo/nYXIvZI11Zfu+a2vlPfltM88lxoOfpVBEzMP7xIjtDAvk1ub6GIOzC34+TnDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T00:50:56.346027Z","bundle_sha256":"deb0ea6ab52e408aa30da12810157c707bcc5c0241df9b8700499bc304030b8f"}}