{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:KYJSRPQB7LKABSWCGBASPK25MO","short_pith_number":"pith:KYJSRPQB","canonical_record":{"source":{"id":"1509.06818","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-23T00:54:57Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"228de4e0118aac72e4cd6e902d841fbc675c55cfcd6a020ef2bb533832e1c1ed","abstract_canon_sha256":"ce1e6b7a0c8e049b0eed983159a4c1af66b164009b2d31cd821237088366fdf8"},"schema_version":"1.0"},"canonical_sha256":"561328be01fad400cac2304127ab5d63b7efcaa7cd99def36f66d66df67ec133","source":{"kind":"arxiv","id":"1509.06818","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.06818","created_at":"2026-05-18T01:30:17Z"},{"alias_kind":"arxiv_version","alias_value":"1509.06818v1","created_at":"2026-05-18T01:30:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06818","created_at":"2026-05-18T01:30:17Z"},{"alias_kind":"pith_short_12","alias_value":"KYJSRPQB7LKA","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KYJSRPQB7LKABSWC","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KYJSRPQB","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:KYJSRPQB7LKABSWCGBASPK25MO","target":"record","payload":{"canonical_record":{"source":{"id":"1509.06818","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-23T00:54:57Z","cross_cats_sorted":["astro-ph.SR"],"title_canon_sha256":"228de4e0118aac72e4cd6e902d841fbc675c55cfcd6a020ef2bb533832e1c1ed","abstract_canon_sha256":"ce1e6b7a0c8e049b0eed983159a4c1af66b164009b2d31cd821237088366fdf8"},"schema_version":"1.0"},"canonical_sha256":"561328be01fad400cac2304127ab5d63b7efcaa7cd99def36f66d66df67ec133","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:30:17.505713Z","signature_b64":"+Omq3qXy4pIt9PJJ6x8qvr42VJ7kfgBNFGtqs5Vasjm0ZOAEJcYw/X3lO/Y57G+Gve+76XoYMgzVoIUOKi2vCA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"561328be01fad400cac2304127ab5d63b7efcaa7cd99def36f66d66df67ec133","last_reissued_at":"2026-05-18T01:30:17.504932Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:30:17.504932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1509.06818","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":"2026-05-18T01:30:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MQuqiIudgeDELGiTx/CguBtVoVI3a4TpdJbGRTfsRagVJdlJBEZIIf8ibx2ubFLtthppkOaNr8lb45YgFz23Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:47:21.900636Z"},"content_sha256":"3ab5cf7036569a7f6db2444b186cf384bfd10cda60951f2b4f7f06f0e8027df0","schema_version":"1.0","event_id":"sha256:3ab5cf7036569a7f6db2444b186cf384bfd10cda60951f2b4f7f06f0e8027df0"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:KYJSRPQB7LKABSWCGBASPK25MO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Identification of more interstellar C60+ bands","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.GA","authors_text":"David Bohlender, Ewen Campbell, Gordon Walker, John Maier","submitted_at":"2015-09-23T00:54:57Z","abstract_excerpt":"Based on gas-phase laboratory spectra at 6 K, Campbell et al. (2015) confirmed that the diffuse interstellar bands (DIBs) at 9632.7 and 9577.5A are due to absorption by the fullerene ion C60+. They also reported the detection of two other, weaker bands at 9428.5 and 9365.9A. These lie in spectral regions heavily contaminated by telluric water vapour lines. We acquired CFHT ESPaDOnS spectra of HD183143 close to the zenith and chopped with a nearby standard to correct for the telluric line absorption which enabled us to detect a DIB at 9365.9A of relative width and strength comparable to the lab"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06818","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":"2026-05-18T01:30:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"08a7sOU5iiJF6JCJaJ4Djgy24D89sR7wAd5Fk5EQLpwSd+GkvViGoqPvQ5/iFLgAKsV5T8BwqNNeMZvkq3RpCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T20:47:21.900991Z"},"content_sha256":"731fcc9dff945000b84ba8b235f11eb6d637a6b296adbfc41b023c050d4aae83","schema_version":"1.0","event_id":"sha256:731fcc9dff945000b84ba8b235f11eb6d637a6b296adbfc41b023c050d4aae83"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KYJSRPQB7LKABSWCGBASPK25MO/bundle.json","state_url":"https://pith.science/pith/KYJSRPQB7LKABSWCGBASPK25MO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KYJSRPQB7LKABSWCGBASPK25MO/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":"2026-05-28T20:47:21Z","links":{"resolver":"https://pith.science/pith/KYJSRPQB7LKABSWCGBASPK25MO","bundle":"https://pith.science/pith/KYJSRPQB7LKABSWCGBASPK25MO/bundle.json","state":"https://pith.science/pith/KYJSRPQB7LKABSWCGBASPK25MO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KYJSRPQB7LKABSWCGBASPK25MO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:KYJSRPQB7LKABSWCGBASPK25MO","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":"ce1e6b7a0c8e049b0eed983159a4c1af66b164009b2d31cd821237088366fdf8","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-23T00:54:57Z","title_canon_sha256":"228de4e0118aac72e4cd6e902d841fbc675c55cfcd6a020ef2bb533832e1c1ed"},"schema_version":"1.0","source":{"id":"1509.06818","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1509.06818","created_at":"2026-05-18T01:30:17Z"},{"alias_kind":"arxiv_version","alias_value":"1509.06818v1","created_at":"2026-05-18T01:30:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1509.06818","created_at":"2026-05-18T01:30:17Z"},{"alias_kind":"pith_short_12","alias_value":"KYJSRPQB7LKA","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"KYJSRPQB7LKABSWC","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"KYJSRPQB","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:731fcc9dff945000b84ba8b235f11eb6d637a6b296adbfc41b023c050d4aae83","target":"graph","created_at":"2026-05-18T01:30:17Z","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":"Based on gas-phase laboratory spectra at 6 K, Campbell et al. (2015) confirmed that the diffuse interstellar bands (DIBs) at 9632.7 and 9577.5A are due to absorption by the fullerene ion C60+. They also reported the detection of two other, weaker bands at 9428.5 and 9365.9A. These lie in spectral regions heavily contaminated by telluric water vapour lines. We acquired CFHT ESPaDOnS spectra of HD183143 close to the zenith and chopped with a nearby standard to correct for the telluric line absorption which enabled us to detect a DIB at 9365.9A of relative width and strength comparable to the lab","authors_text":"David Bohlender, Ewen Campbell, Gordon Walker, John Maier","cross_cats":["astro-ph.SR"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-23T00:54:57Z","title":"Identification of more interstellar C60+ bands"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1509.06818","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":"sha256:3ab5cf7036569a7f6db2444b186cf384bfd10cda60951f2b4f7f06f0e8027df0","target":"record","created_at":"2026-05-18T01:30:17Z","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":"ce1e6b7a0c8e049b0eed983159a4c1af66b164009b2d31cd821237088366fdf8","cross_cats_sorted":["astro-ph.SR"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2015-09-23T00:54:57Z","title_canon_sha256":"228de4e0118aac72e4cd6e902d841fbc675c55cfcd6a020ef2bb533832e1c1ed"},"schema_version":"1.0","source":{"id":"1509.06818","kind":"arxiv","version":1}},"canonical_sha256":"561328be01fad400cac2304127ab5d63b7efcaa7cd99def36f66d66df67ec133","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"561328be01fad400cac2304127ab5d63b7efcaa7cd99def36f66d66df67ec133","first_computed_at":"2026-05-18T01:30:17.504932Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:30:17.504932Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"+Omq3qXy4pIt9PJJ6x8qvr42VJ7kfgBNFGtqs5Vasjm0ZOAEJcYw/X3lO/Y57G+Gve+76XoYMgzVoIUOKi2vCA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:30:17.505713Z","signed_message":"canonical_sha256_bytes"},"source_id":"1509.06818","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:3ab5cf7036569a7f6db2444b186cf384bfd10cda60951f2b4f7f06f0e8027df0","sha256:731fcc9dff945000b84ba8b235f11eb6d637a6b296adbfc41b023c050d4aae83"],"state_sha256":"d2d1116b97f16e75bf9a59abaa0e13d9dbbd87756d7991aa8bbc4b3158da6eda"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jbGIz/a8XxhkFlrm7BeagM2uqlcx3TzzWX1doOyIJUlDfUqPQIzEALRE/qjQCzsq9gZqEsjyyvhKG8LVJNDwCg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T20:47:21.903179Z","bundle_sha256":"f73dba3217bfe402000e86a1ee7dca99544b5eb2a7e58efa5c66bc9da8efe00b"}}