{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:WZYQ3T3QWYHRWJ2MIWGH6BOTVO","short_pith_number":"pith:WZYQ3T3Q","canonical_record":{"source":{"id":"1502.05762","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-02-20T02:09:40Z","cross_cats_sorted":[],"title_canon_sha256":"a011537044d4c922e36919ab974a63d756caf7afe46e0c44796b79e6d37d5c24","abstract_canon_sha256":"9d574a500062bca6c08073fc7cd3ef9b0eea50072ed2222286b78dad32f4f123"},"schema_version":"1.0"},"canonical_sha256":"b6710dcf70b60f1b274c458c7f05d3abaa2ee5a317d6602139ba7bd47ea99b23","source":{"kind":"arxiv","id":"1502.05762","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.05762","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"arxiv_version","alias_value":"1502.05762v1","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.05762","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"pith_short_12","alias_value":"WZYQ3T3QWYHR","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WZYQ3T3QWYHRWJ2M","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WZYQ3T3Q","created_at":"2026-05-18T12:29:47Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:WZYQ3T3QWYHRWJ2MIWGH6BOTVO","target":"record","payload":{"canonical_record":{"source":{"id":"1502.05762","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-02-20T02:09:40Z","cross_cats_sorted":[],"title_canon_sha256":"a011537044d4c922e36919ab974a63d756caf7afe46e0c44796b79e6d37d5c24","abstract_canon_sha256":"9d574a500062bca6c08073fc7cd3ef9b0eea50072ed2222286b78dad32f4f123"},"schema_version":"1.0"},"canonical_sha256":"b6710dcf70b60f1b274c458c7f05d3abaa2ee5a317d6602139ba7bd47ea99b23","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:41:00.648854Z","signature_b64":"AV66m6/cOgbI7HjBKFq/jfWiQSAUC7z7pfWY7UcHblwiyuUBndFe6UhukJz+KJULkFapQvlrn8qC/9nX67boCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"b6710dcf70b60f1b274c458c7f05d3abaa2ee5a317d6602139ba7bd47ea99b23","last_reissued_at":"2026-05-18T01:41:00.648349Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:41:00.648349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.05762","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":"2026-05-18T01:41:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3HlaJCMuE6hZi+SttTENtftWEgFqFIgV6PAIhVgC/GJuwfhzFVYc09zmwsEyjP+LCet4WgjkmiiP0Gj1zQtiAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:51:51.811660Z"},"content_sha256":"e7cd6155b54481527c340fb1093cd5830b255edcc77357d369cdfa1da21dfe01","schema_version":"1.0","event_id":"sha256:e7cd6155b54481527c340fb1093cd5830b255edcc77357d369cdfa1da21dfe01"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:WZYQ3T3QWYHRWJ2MIWGH6BOTVO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Shedding light on the formation of the pre-biotic molecule formamide with ASAI","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"Ali A. Jaber, A. L\\'opez-Sepulcre, B. Lefloch, C. Ceccarelli, C. Codella, C. Kahane, C. Vastel, E. Mendoza, J. Cernicharo, M. Kama, M. Tafalla, R. Bachiller","submitted_at":"2015-02-20T02:09:40Z","abstract_excerpt":"Formamide (NH2CHO) has been proposed as a pre-biotic precursor with a key role in the emergence of life on Earth. While this molecule has been observed in space, most of its detections correspond to high-mass star-forming regions. Motivated by this lack of investigation in the low-mass regime, we searched for formamide, as well as isocyanic acid (HNCO), in 10 low- and intermediate-mass pre-stellar and protostellar objects. The present work is part of the IRAM Large Programme ASAI (Astrochemical Surveys At IRAM), which makes use of unbiased broadband spectral surveys at millimetre wavelengths. "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.05762","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":"2026-05-18T01:41:00Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"2BpRvKeRb9k/91BObEdO00CH1teSLlxowjo8bAf7Fz89eaus8ZkJd7+RCcysrXaaCroHFjR7mm3gAOEcaw91DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-06T08:51:51.812309Z"},"content_sha256":"7a7be56bff91bf1427b133530b4c63258b3354b1585bac94288c99b3e20b6d37","schema_version":"1.0","event_id":"sha256:7a7be56bff91bf1427b133530b4c63258b3354b1585bac94288c99b3e20b6d37"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/WZYQ3T3QWYHRWJ2MIWGH6BOTVO/bundle.json","state_url":"https://pith.science/pith/WZYQ3T3QWYHRWJ2MIWGH6BOTVO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/WZYQ3T3QWYHRWJ2MIWGH6BOTVO/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":"2026-06-06T08:51:51Z","links":{"resolver":"https://pith.science/pith/WZYQ3T3QWYHRWJ2MIWGH6BOTVO","bundle":"https://pith.science/pith/WZYQ3T3QWYHRWJ2MIWGH6BOTVO/bundle.json","state":"https://pith.science/pith/WZYQ3T3QWYHRWJ2MIWGH6BOTVO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/WZYQ3T3QWYHRWJ2MIWGH6BOTVO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:WZYQ3T3QWYHRWJ2MIWGH6BOTVO","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":"9d574a500062bca6c08073fc7cd3ef9b0eea50072ed2222286b78dad32f4f123","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-02-20T02:09:40Z","title_canon_sha256":"a011537044d4c922e36919ab974a63d756caf7afe46e0c44796b79e6d37d5c24"},"schema_version":"1.0","source":{"id":"1502.05762","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.05762","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"arxiv_version","alias_value":"1502.05762v1","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.05762","created_at":"2026-05-18T01:41:00Z"},{"alias_kind":"pith_short_12","alias_value":"WZYQ3T3QWYHR","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_16","alias_value":"WZYQ3T3QWYHRWJ2M","created_at":"2026-05-18T12:29:47Z"},{"alias_kind":"pith_short_8","alias_value":"WZYQ3T3Q","created_at":"2026-05-18T12:29:47Z"}],"graph_snapshots":[{"event_id":"sha256:7a7be56bff91bf1427b133530b4c63258b3354b1585bac94288c99b3e20b6d37","target":"graph","created_at":"2026-05-18T01:41:00Z","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":"Formamide (NH2CHO) has been proposed as a pre-biotic precursor with a key role in the emergence of life on Earth. While this molecule has been observed in space, most of its detections correspond to high-mass star-forming regions. Motivated by this lack of investigation in the low-mass regime, we searched for formamide, as well as isocyanic acid (HNCO), in 10 low- and intermediate-mass pre-stellar and protostellar objects. The present work is part of the IRAM Large Programme ASAI (Astrochemical Surveys At IRAM), which makes use of unbiased broadband spectral surveys at millimetre wavelengths. ","authors_text":"Ali A. Jaber, A. L\\'opez-Sepulcre, B. Lefloch, C. Ceccarelli, C. Codella, C. Kahane, C. Vastel, E. Mendoza, J. Cernicharo, M. Kama, M. Tafalla, R. Bachiller","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-02-20T02:09:40Z","title":"Shedding light on the formation of the pre-biotic molecule formamide with ASAI"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.05762","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:e7cd6155b54481527c340fb1093cd5830b255edcc77357d369cdfa1da21dfe01","target":"record","created_at":"2026-05-18T01:41:00Z","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":"9d574a500062bca6c08073fc7cd3ef9b0eea50072ed2222286b78dad32f4f123","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2015-02-20T02:09:40Z","title_canon_sha256":"a011537044d4c922e36919ab974a63d756caf7afe46e0c44796b79e6d37d5c24"},"schema_version":"1.0","source":{"id":"1502.05762","kind":"arxiv","version":1}},"canonical_sha256":"b6710dcf70b60f1b274c458c7f05d3abaa2ee5a317d6602139ba7bd47ea99b23","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"b6710dcf70b60f1b274c458c7f05d3abaa2ee5a317d6602139ba7bd47ea99b23","first_computed_at":"2026-05-18T01:41:00.648349Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:41:00.648349Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"AV66m6/cOgbI7HjBKFq/jfWiQSAUC7z7pfWY7UcHblwiyuUBndFe6UhukJz+KJULkFapQvlrn8qC/9nX67boCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:41:00.648854Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.05762","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7cd6155b54481527c340fb1093cd5830b255edcc77357d369cdfa1da21dfe01","sha256:7a7be56bff91bf1427b133530b4c63258b3354b1585bac94288c99b3e20b6d37"],"state_sha256":"3f13dd8ec80b6fef7b3526515cf60abf0fdfa5718be59274aad23917ca2d70eb"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"TvQ+rmHJAAWYPK6meKsSiSCILLStpSMST7ew/kFSBpmal0croVgT/5WZ1vzzd7Js9RxazviYe+HydhgDopeLCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-06T08:51:51.815796Z","bundle_sha256":"cc663b258383bad7c20d61436f4309e17fde5b8becf4c8f118e51af0abcb63a1"}}