{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2014:JLM5BZYU4CDEMBY65SNUMDMOHD","short_pith_number":"pith:JLM5BZYU","canonical_record":{"source":{"id":"1405.7057","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-27T20:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"89e88e08af6dc19a7788e3654fd11966d00d44881686567b8c6c76e1959f2020","abstract_canon_sha256":"7078b6b28d8479c575caacee069da3e4425c14deaac8b451ac8b0724bec0da61"},"schema_version":"1.0"},"canonical_sha256":"4ad9d0e714e08646071eec9b460d8e38c0eb9b625ecdc2618516a5bbe8e2dd2f","source":{"kind":"arxiv","id":"1405.7057","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.7057","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"arxiv_version","alias_value":"1405.7057v1","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7057","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"pith_short_12","alias_value":"JLM5BZYU4CDE","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"JLM5BZYU4CDEMBY6","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"JLM5BZYU","created_at":"2026-05-18T12:28:33Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2014:JLM5BZYU4CDEMBY65SNUMDMOHD","target":"record","payload":{"canonical_record":{"source":{"id":"1405.7057","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-27T20:32:17Z","cross_cats_sorted":[],"title_canon_sha256":"89e88e08af6dc19a7788e3654fd11966d00d44881686567b8c6c76e1959f2020","abstract_canon_sha256":"7078b6b28d8479c575caacee069da3e4425c14deaac8b451ac8b0724bec0da61"},"schema_version":"1.0"},"canonical_sha256":"4ad9d0e714e08646071eec9b460d8e38c0eb9b625ecdc2618516a5bbe8e2dd2f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:43:05.555163Z","signature_b64":"Q/Rts+p2MmcRERak0zDM7W4O5Clv0H9ud63UEkv2WWdjPr/adb9socDJeoRfgsNJ12Ubx90ZgO46wWjPVjA4BQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4ad9d0e714e08646071eec9b460d8e38c0eb9b625ecdc2618516a5bbe8e2dd2f","last_reissued_at":"2026-05-18T01:43:05.554589Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:43:05.554589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1405.7057","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":"2026-05-18T01:43:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"U8Lz2OAzquifYJn8jyuFHh5T4B5r2euKtQIFkyLkLnm6MB1gT9xpu3rW2Kqa281zG5wpCy30tsztEiFBNK/fDA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:22:21.535875Z"},"content_sha256":"a3aad3f05f328689fd8f8e9790c08543e64248666eb0dcc5c80e937af5c72cbf","schema_version":"1.0","event_id":"sha256:a3aad3f05f328689fd8f8e9790c08543e64248666eb0dcc5c80e937af5c72cbf"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2014:JLM5BZYU4CDEMBY65SNUMDMOHD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A CSO Search for $l$-C$_3$H$^+$: Detection in the Orion Bar PDR","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Anthony J. Remijan, Brett A. McGuire, Geoffrey A. Blake, James L. Sanders III, P. Brandon Carroll, Susanna L. Widicus Weaver","submitted_at":"2014-05-27T20:32:17Z","abstract_excerpt":"The results of a Caltech Submillimeter Observatory (CSO) search for $l$-C$_3$H$^+$, first detected by Pety et al. (2012) in observations toward the Horsehead photodissociation region (PDR), are presented. A total of 39 sources were observed in the 1 mm window. Evidence of emission from $l$-C$_3$H$^+$ is found in only a single source - the Orion Bar PDR region, which shows a rotational temperature of 178(13) K and a column density of 7(2) x $10^{11}$ cm$^{-2}$. In the remaining sources, upper limits of ~10$^{11} - 10^{13}$ cm$^{-2}$ are found. These results are discussed in the context of guidi"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7057","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":"2026-05-18T01:43:05Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vD4DfABpLZUEhcMTqI7UwwPXG6l5boOx9POUK1En/wMjzjTVTGmiSzH31jg3EotnYo9rIPtuNnMLbmsTn1dHAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T19:22:21.536552Z"},"content_sha256":"2a935a1ef4877ae0143b00c4e4fe4e012b0fb3175f6b76c64ab661bcd3c6564a","schema_version":"1.0","event_id":"sha256:2a935a1ef4877ae0143b00c4e4fe4e012b0fb3175f6b76c64ab661bcd3c6564a"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/JLM5BZYU4CDEMBY65SNUMDMOHD/bundle.json","state_url":"https://pith.science/pith/JLM5BZYU4CDEMBY65SNUMDMOHD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/JLM5BZYU4CDEMBY65SNUMDMOHD/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":"2026-05-31T19:22:21Z","links":{"resolver":"https://pith.science/pith/JLM5BZYU4CDEMBY65SNUMDMOHD","bundle":"https://pith.science/pith/JLM5BZYU4CDEMBY65SNUMDMOHD/bundle.json","state":"https://pith.science/pith/JLM5BZYU4CDEMBY65SNUMDMOHD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/JLM5BZYU4CDEMBY65SNUMDMOHD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2014:JLM5BZYU4CDEMBY65SNUMDMOHD","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":"7078b6b28d8479c575caacee069da3e4425c14deaac8b451ac8b0724bec0da61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-27T20:32:17Z","title_canon_sha256":"89e88e08af6dc19a7788e3654fd11966d00d44881686567b8c6c76e1959f2020"},"schema_version":"1.0","source":{"id":"1405.7057","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1405.7057","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"arxiv_version","alias_value":"1405.7057v1","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1405.7057","created_at":"2026-05-18T01:43:05Z"},{"alias_kind":"pith_short_12","alias_value":"JLM5BZYU4CDE","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_16","alias_value":"JLM5BZYU4CDEMBY6","created_at":"2026-05-18T12:28:33Z"},{"alias_kind":"pith_short_8","alias_value":"JLM5BZYU","created_at":"2026-05-18T12:28:33Z"}],"graph_snapshots":[{"event_id":"sha256:2a935a1ef4877ae0143b00c4e4fe4e012b0fb3175f6b76c64ab661bcd3c6564a","target":"graph","created_at":"2026-05-18T01:43:05Z","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 results of a Caltech Submillimeter Observatory (CSO) search for $l$-C$_3$H$^+$, first detected by Pety et al. (2012) in observations toward the Horsehead photodissociation region (PDR), are presented. A total of 39 sources were observed in the 1 mm window. Evidence of emission from $l$-C$_3$H$^+$ is found in only a single source - the Orion Bar PDR region, which shows a rotational temperature of 178(13) K and a column density of 7(2) x $10^{11}$ cm$^{-2}$. In the remaining sources, upper limits of ~10$^{11} - 10^{13}$ cm$^{-2}$ are found. These results are discussed in the context of guidi","authors_text":"Anthony J. Remijan, Brett A. McGuire, Geoffrey A. Blake, James L. Sanders III, P. Brandon Carroll, Susanna L. Widicus Weaver","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-27T20:32:17Z","title":"A CSO Search for $l$-C$_3$H$^+$: Detection in the Orion Bar PDR"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1405.7057","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:a3aad3f05f328689fd8f8e9790c08543e64248666eb0dcc5c80e937af5c72cbf","target":"record","created_at":"2026-05-18T01:43:05Z","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":"7078b6b28d8479c575caacee069da3e4425c14deaac8b451ac8b0724bec0da61","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2014-05-27T20:32:17Z","title_canon_sha256":"89e88e08af6dc19a7788e3654fd11966d00d44881686567b8c6c76e1959f2020"},"schema_version":"1.0","source":{"id":"1405.7057","kind":"arxiv","version":1}},"canonical_sha256":"4ad9d0e714e08646071eec9b460d8e38c0eb9b625ecdc2618516a5bbe8e2dd2f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4ad9d0e714e08646071eec9b460d8e38c0eb9b625ecdc2618516a5bbe8e2dd2f","first_computed_at":"2026-05-18T01:43:05.554589Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:43:05.554589Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Q/Rts+p2MmcRERak0zDM7W4O5Clv0H9ud63UEkv2WWdjPr/adb9socDJeoRfgsNJ12Ubx90ZgO46wWjPVjA4BQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:43:05.555163Z","signed_message":"canonical_sha256_bytes"},"source_id":"1405.7057","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:a3aad3f05f328689fd8f8e9790c08543e64248666eb0dcc5c80e937af5c72cbf","sha256:2a935a1ef4877ae0143b00c4e4fe4e012b0fb3175f6b76c64ab661bcd3c6564a"],"state_sha256":"b5a8d2facbe74f1496a4314789f4cc0ae7b008d74bbdcfff758cb602e6a70fb8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"DTxJGhsMl3X5C7J7aMAKVr9yC98uMCJDb5unfA4mgfdcdaYSvCRIDwp84EHWkbfClgjJfBt5HC/dg+5PmSkKBA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T19:22:21.540083Z","bundle_sha256":"2fd59c22531488a854594972e2d62bf90a6e4cc9cdbb762010b09d0a36c9a6ef"}}