{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:KYZEIKD7BNDE4GD4PIBIT2YWOW","short_pith_number":"pith:KYZEIKD7","canonical_record":{"source":{"id":"1001.2708","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-15T17:55:05Z","cross_cats_sorted":[],"title_canon_sha256":"e1f507d1ca07414ab2bd26ecc86d215004bf77178684f3199241e244186c1696","abstract_canon_sha256":"944fe64f15d70f595de71f4d5102b2e48348c087996cae9cd075ca092224374a"},"schema_version":"1.0"},"canonical_sha256":"563244287f0b464e187c7a0289eb1675889ef60083d5ea0622507c1bbc800c01","source":{"kind":"arxiv","id":"1001.2708","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.2708","created_at":"2026-05-18T02:09:43Z"},{"alias_kind":"arxiv_version","alias_value":"1001.2708v1","created_at":"2026-05-18T02:09:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.2708","created_at":"2026-05-18T02:09:43Z"},{"alias_kind":"pith_short_12","alias_value":"KYZEIKD7BNDE","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KYZEIKD7BNDE4GD4","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KYZEIKD7","created_at":"2026-05-18T12:26:09Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:KYZEIKD7BNDE4GD4PIBIT2YWOW","target":"record","payload":{"canonical_record":{"source":{"id":"1001.2708","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-15T17:55:05Z","cross_cats_sorted":[],"title_canon_sha256":"e1f507d1ca07414ab2bd26ecc86d215004bf77178684f3199241e244186c1696","abstract_canon_sha256":"944fe64f15d70f595de71f4d5102b2e48348c087996cae9cd075ca092224374a"},"schema_version":"1.0"},"canonical_sha256":"563244287f0b464e187c7a0289eb1675889ef60083d5ea0622507c1bbc800c01","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:09:43.770285Z","signature_b64":"Liqau6FfAXr6WQIeNyPDpMhQe1cTa+eugUMmrcRw95J+GaW0WbHFuRlaCu2JeFacM3qo7ScIQj1wYlO4UI2tBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"563244287f0b464e187c7a0289eb1675889ef60083d5ea0622507c1bbc800c01","last_reissued_at":"2026-05-18T02:09:43.769553Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:09:43.769553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1001.2708","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":"2026-05-18T02:09:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"eGP3IQtntOYRTVichJ+iusde+1eQQ69D/nyRfWzknbTqvjkm9zalV4Qwpgx2Z8+FYmGiG9n20xeMyIsu02zeDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:02:11.679844Z"},"content_sha256":"a9383b9f86b835909f01956a77039513241ad9723079d0ab6e5f8ddefcbfdfc1","schema_version":"1.0","event_id":"sha256:a9383b9f86b835909f01956a77039513241ad9723079d0ab6e5f8ddefcbfdfc1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:KYZEIKD7BNDE4GD4PIBIT2YWOW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A near IR imaging survey of intermediate and high-mass young stellar outflow candidates","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Christopher J. Davis, Stephen P. Todd, Suzanne Ramsay, Watson P. Varricatt","submitted_at":"2010-01-15T17:55:05Z","abstract_excerpt":"We have carried out a near-infrared imaging survey of luminous young stellar outflow candidates using the United Kingdom Infrared Telescope. Observations were obtained in the broad band K (2.2 mu) and through narrow band filters at the wavelengths of H_2 v=1--0 S(1) (2.1218 mu) and Br gamma (2.166 mu) lines. Fifty regions were imaged with a field of view of 2.2 X 2.2 arcmin^2. Several young embedded clusters are unveiled in our near-infrared images. 76% of the objects exhibit H_2 emission and 50% or more of the objects exhibit aligned H_2 emission features suggesting collimated outflows, many "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.2708","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":"2026-05-18T02:09:43Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"sq9l/t4JAdbAeI/fNugOAOf30pyQCobRXfOZdiiLeTc0zxo0WuXKuNPWxC3HS2q8mrySZKAdESScm7293yNSDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-26T17:02:11.680237Z"},"content_sha256":"0eaeeda78654eca14eb5c547f1525a150c40047d19f0b19a9925e3779904d730","schema_version":"1.0","event_id":"sha256:0eaeeda78654eca14eb5c547f1525a150c40047d19f0b19a9925e3779904d730"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KYZEIKD7BNDE4GD4PIBIT2YWOW/bundle.json","state_url":"https://pith.science/pith/KYZEIKD7BNDE4GD4PIBIT2YWOW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KYZEIKD7BNDE4GD4PIBIT2YWOW/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":"2026-05-26T17:02:11Z","links":{"resolver":"https://pith.science/pith/KYZEIKD7BNDE4GD4PIBIT2YWOW","bundle":"https://pith.science/pith/KYZEIKD7BNDE4GD4PIBIT2YWOW/bundle.json","state":"https://pith.science/pith/KYZEIKD7BNDE4GD4PIBIT2YWOW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KYZEIKD7BNDE4GD4PIBIT2YWOW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:KYZEIKD7BNDE4GD4PIBIT2YWOW","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":"944fe64f15d70f595de71f4d5102b2e48348c087996cae9cd075ca092224374a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-15T17:55:05Z","title_canon_sha256":"e1f507d1ca07414ab2bd26ecc86d215004bf77178684f3199241e244186c1696"},"schema_version":"1.0","source":{"id":"1001.2708","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1001.2708","created_at":"2026-05-18T02:09:43Z"},{"alias_kind":"arxiv_version","alias_value":"1001.2708v1","created_at":"2026-05-18T02:09:43Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1001.2708","created_at":"2026-05-18T02:09:43Z"},{"alias_kind":"pith_short_12","alias_value":"KYZEIKD7BNDE","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_16","alias_value":"KYZEIKD7BNDE4GD4","created_at":"2026-05-18T12:26:09Z"},{"alias_kind":"pith_short_8","alias_value":"KYZEIKD7","created_at":"2026-05-18T12:26:09Z"}],"graph_snapshots":[{"event_id":"sha256:0eaeeda78654eca14eb5c547f1525a150c40047d19f0b19a9925e3779904d730","target":"graph","created_at":"2026-05-18T02:09:43Z","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 have carried out a near-infrared imaging survey of luminous young stellar outflow candidates using the United Kingdom Infrared Telescope. Observations were obtained in the broad band K (2.2 mu) and through narrow band filters at the wavelengths of H_2 v=1--0 S(1) (2.1218 mu) and Br gamma (2.166 mu) lines. Fifty regions were imaged with a field of view of 2.2 X 2.2 arcmin^2. Several young embedded clusters are unveiled in our near-infrared images. 76% of the objects exhibit H_2 emission and 50% or more of the objects exhibit aligned H_2 emission features suggesting collimated outflows, many ","authors_text":"Christopher J. Davis, Stephen P. Todd, Suzanne Ramsay, Watson P. Varricatt","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-15T17:55:05Z","title":"A near IR imaging survey of intermediate and high-mass young stellar outflow candidates"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1001.2708","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:a9383b9f86b835909f01956a77039513241ad9723079d0ab6e5f8ddefcbfdfc1","target":"record","created_at":"2026-05-18T02:09:43Z","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":"944fe64f15d70f595de71f4d5102b2e48348c087996cae9cd075ca092224374a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2010-01-15T17:55:05Z","title_canon_sha256":"e1f507d1ca07414ab2bd26ecc86d215004bf77178684f3199241e244186c1696"},"schema_version":"1.0","source":{"id":"1001.2708","kind":"arxiv","version":1}},"canonical_sha256":"563244287f0b464e187c7a0289eb1675889ef60083d5ea0622507c1bbc800c01","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"563244287f0b464e187c7a0289eb1675889ef60083d5ea0622507c1bbc800c01","first_computed_at":"2026-05-18T02:09:43.769553Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:09:43.769553Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Liqau6FfAXr6WQIeNyPDpMhQe1cTa+eugUMmrcRw95J+GaW0WbHFuRlaCu2JeFacM3qo7ScIQj1wYlO4UI2tBw==","signature_status":"signed_v1","signed_at":"2026-05-18T02:09:43.770285Z","signed_message":"canonical_sha256_bytes"},"source_id":"1001.2708","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a9383b9f86b835909f01956a77039513241ad9723079d0ab6e5f8ddefcbfdfc1","sha256:0eaeeda78654eca14eb5c547f1525a150c40047d19f0b19a9925e3779904d730"],"state_sha256":"49dc9a39c444e9a07cef5d6cb9aa1bb6a746506721bc4786767186d3e86876ec"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RpSyfcXhfHY9N/R+wvgTDfr7CfR8H7t34aQ8ReL5fppqm1wYUPuhcN7eubXy/5Iuy7MKI+zpr7SCrwBHKD2xBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-26T17:02:11.683128Z","bundle_sha256":"990acf9fc4fca2f5f81ce38e6e30d5edaeb69d129db76f67d686f47442011854"}}