{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:IKBYQAGC6N6TP2B5L3UU6YZBYS","short_pith_number":"pith:IKBYQAGC","canonical_record":{"source":{"id":"1905.03161","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-08T15:42:58Z","cross_cats_sorted":[],"title_canon_sha256":"ce5b924b02eae90ff2d11f790be07c3fedd6b26d456726b0023dceb6ae9791b0","abstract_canon_sha256":"07355605f1307cf2729e40dceda78ebea5b036ffc5056aacc8ad65822d62a8c9"},"schema_version":"1.0"},"canonical_sha256":"42838800c2f37d37e83d5ee94f6321c4990a8efd7e1b291b5b9fa3c0058909db","source":{"kind":"arxiv","id":"1905.03161","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.03161","created_at":"2026-05-17T23:42:19Z"},{"alias_kind":"arxiv_version","alias_value":"1905.03161v1","created_at":"2026-05-17T23:42:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.03161","created_at":"2026-05-17T23:42:19Z"},{"alias_kind":"pith_short_12","alias_value":"IKBYQAGC6N6T","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"IKBYQAGC6N6TP2B5","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"IKBYQAGC","created_at":"2026-05-18T12:33:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:IKBYQAGC6N6TP2B5L3UU6YZBYS","target":"record","payload":{"canonical_record":{"source":{"id":"1905.03161","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-08T15:42:58Z","cross_cats_sorted":[],"title_canon_sha256":"ce5b924b02eae90ff2d11f790be07c3fedd6b26d456726b0023dceb6ae9791b0","abstract_canon_sha256":"07355605f1307cf2729e40dceda78ebea5b036ffc5056aacc8ad65822d62a8c9"},"schema_version":"1.0"},"canonical_sha256":"42838800c2f37d37e83d5ee94f6321c4990a8efd7e1b291b5b9fa3c0058909db","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:42:19.284030Z","signature_b64":"XztoixJsAN9oxcOIePUiFmuJcEjqp0lSn3WGKWzfwJu0G3j+ZDoP48DJMfu/JPm6YRUIw9xcTHVDyZblPy0QAg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"42838800c2f37d37e83d5ee94f6321c4990a8efd7e1b291b5b9fa3c0058909db","last_reissued_at":"2026-05-17T23:42:19.283551Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:42:19.283551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1905.03161","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":"2026-05-17T23:42:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Dm1ihcC1VjEDBOs5C+WYB6/jjYCMt7aA7waTXJNtjbYyl4rbKkvwY/pxe5ifDfPUA+WACpS9clvrN83kdNDTBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:25:39.809736Z"},"content_sha256":"75e9aac37b943a5cc9c9e2b1290b660d19076240b8176c477b4615cc834b668f","schema_version":"1.0","event_id":"sha256:75e9aac37b943a5cc9c9e2b1290b660d19076240b8176c477b4615cc834b668f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:IKBYQAGC6N6TP2B5L3UU6YZBYS","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Opening the Treasure Chest in Carina","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"B. Mookerjea (TIFR, Bonn), D. Riquelme (MPIfR, E. Chambers (USRA/SOFIA), G. Sandell (IofA, H. Wiesemeyer (MPIfR, India), Mumbai, R. Guesten (MPIfR, Univ of Hawaii)","submitted_at":"2019-05-08T15:42:58Z","abstract_excerpt":"We have mapped the G287.84-0.82 cometary globule (with the Treasure Chest cluster embedded in it) in the South Pillars region of Carina (i) in [CII], 63micron [OI], and CO(11-10) using upGREAT on SOFIA and (ii) in J=2-1 transitions of CO, 13CO, C18O and J=3-2 transitions of H2CO using the APEX telescope in Chile. We probe the morphology, kinematics, and physical conditions of the molecular gas and the photon dominated regions (PDRs) in G287.84-0.82. The [CII] and [OI] emission suggest that the overall structure of the pillar (with red-shifted photo evaporating tails) is consistent with the eff"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.03161","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":"2026-05-17T23:42:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hdPVby3jb9NHKNYch+kfmxHxdFC9nNpq6KPG1vMTT9tLp3/fjjOjIFLBc5+LMbeXgVFve4DaMptjkhAAxSEGCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T06:25:39.810098Z"},"content_sha256":"869cf0427f8301710bc94ed9c94d9d24ea4b08a429ca8dd1a24f7bbcd13b0b45","schema_version":"1.0","event_id":"sha256:869cf0427f8301710bc94ed9c94d9d24ea4b08a429ca8dd1a24f7bbcd13b0b45"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IKBYQAGC6N6TP2B5L3UU6YZBYS/bundle.json","state_url":"https://pith.science/pith/IKBYQAGC6N6TP2B5L3UU6YZBYS/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IKBYQAGC6N6TP2B5L3UU6YZBYS/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":"2026-05-28T06:25:39Z","links":{"resolver":"https://pith.science/pith/IKBYQAGC6N6TP2B5L3UU6YZBYS","bundle":"https://pith.science/pith/IKBYQAGC6N6TP2B5L3UU6YZBYS/bundle.json","state":"https://pith.science/pith/IKBYQAGC6N6TP2B5L3UU6YZBYS/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IKBYQAGC6N6TP2B5L3UU6YZBYS/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:IKBYQAGC6N6TP2B5L3UU6YZBYS","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":"07355605f1307cf2729e40dceda78ebea5b036ffc5056aacc8ad65822d62a8c9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-08T15:42:58Z","title_canon_sha256":"ce5b924b02eae90ff2d11f790be07c3fedd6b26d456726b0023dceb6ae9791b0"},"schema_version":"1.0","source":{"id":"1905.03161","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1905.03161","created_at":"2026-05-17T23:42:19Z"},{"alias_kind":"arxiv_version","alias_value":"1905.03161v1","created_at":"2026-05-17T23:42:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1905.03161","created_at":"2026-05-17T23:42:19Z"},{"alias_kind":"pith_short_12","alias_value":"IKBYQAGC6N6T","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_16","alias_value":"IKBYQAGC6N6TP2B5","created_at":"2026-05-18T12:33:18Z"},{"alias_kind":"pith_short_8","alias_value":"IKBYQAGC","created_at":"2026-05-18T12:33:18Z"}],"graph_snapshots":[{"event_id":"sha256:869cf0427f8301710bc94ed9c94d9d24ea4b08a429ca8dd1a24f7bbcd13b0b45","target":"graph","created_at":"2026-05-17T23:42:19Z","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 mapped the G287.84-0.82 cometary globule (with the Treasure Chest cluster embedded in it) in the South Pillars region of Carina (i) in [CII], 63micron [OI], and CO(11-10) using upGREAT on SOFIA and (ii) in J=2-1 transitions of CO, 13CO, C18O and J=3-2 transitions of H2CO using the APEX telescope in Chile. We probe the morphology, kinematics, and physical conditions of the molecular gas and the photon dominated regions (PDRs) in G287.84-0.82. The [CII] and [OI] emission suggest that the overall structure of the pillar (with red-shifted photo evaporating tails) is consistent with the eff","authors_text":"B. Mookerjea (TIFR, Bonn), D. Riquelme (MPIfR, E. Chambers (USRA/SOFIA), G. Sandell (IofA, H. Wiesemeyer (MPIfR, India), Mumbai, R. Guesten (MPIfR, Univ of Hawaii)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-08T15:42:58Z","title":"Opening the Treasure Chest in Carina"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1905.03161","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":"sha256:75e9aac37b943a5cc9c9e2b1290b660d19076240b8176c477b4615cc834b668f","target":"record","created_at":"2026-05-17T23:42:19Z","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":"07355605f1307cf2729e40dceda78ebea5b036ffc5056aacc8ad65822d62a8c9","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2019-05-08T15:42:58Z","title_canon_sha256":"ce5b924b02eae90ff2d11f790be07c3fedd6b26d456726b0023dceb6ae9791b0"},"schema_version":"1.0","source":{"id":"1905.03161","kind":"arxiv","version":1}},"canonical_sha256":"42838800c2f37d37e83d5ee94f6321c4990a8efd7e1b291b5b9fa3c0058909db","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"42838800c2f37d37e83d5ee94f6321c4990a8efd7e1b291b5b9fa3c0058909db","first_computed_at":"2026-05-17T23:42:19.283551Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:42:19.283551Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"XztoixJsAN9oxcOIePUiFmuJcEjqp0lSn3WGKWzfwJu0G3j+ZDoP48DJMfu/JPm6YRUIw9xcTHVDyZblPy0QAg==","signature_status":"signed_v1","signed_at":"2026-05-17T23:42:19.284030Z","signed_message":"canonical_sha256_bytes"},"source_id":"1905.03161","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:75e9aac37b943a5cc9c9e2b1290b660d19076240b8176c477b4615cc834b668f","sha256:869cf0427f8301710bc94ed9c94d9d24ea4b08a429ca8dd1a24f7bbcd13b0b45"],"state_sha256":"16e1e58d00cd895e7e3bfd5baebdc4b263ec454584ec3701d1930bcb289e4fcc"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DnHJsSkAtemiSMtY5KGg5e/cEjVH3t4rbru79OEPpqwt5hMLgvm6XXvRAaoeF2OQADVjslCsVOQ9LmV2wAmQAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T06:25:39.812138Z","bundle_sha256":"10fbcfddce38f14408e08d1639ff9847f31f79ee0f0770c225884afa384bcc61"}}