{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:TBBB2BQMOEE34P6CVA6LJIIQUO","short_pith_number":"pith:TBBB2BQM","canonical_record":{"source":{"id":"1210.0216","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-30T16:40:57Z","cross_cats_sorted":[],"title_canon_sha256":"2d46b936fb9dc83c1d428e37cbc6b573f23c1cb512413ffd68ddae541cf1d59a","abstract_canon_sha256":"ffff22378a15a6bb798709ce002ccd0006435371de6d9d18a8fd692867032be3"},"schema_version":"1.0"},"canonical_sha256":"98421d060c7109be3fc2a83cb4a110a394af92d0fc4ea102a475e00ccd094689","source":{"kind":"arxiv","id":"1210.0216","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0216","created_at":"2026-05-18T01:54:12Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0216v3","created_at":"2026-05-18T01:54:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0216","created_at":"2026-05-18T01:54:12Z"},{"alias_kind":"pith_short_12","alias_value":"TBBB2BQMOEE3","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TBBB2BQMOEE34P6C","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TBBB2BQM","created_at":"2026-05-18T12:27:23Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:TBBB2BQMOEE34P6CVA6LJIIQUO","target":"record","payload":{"canonical_record":{"source":{"id":"1210.0216","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-30T16:40:57Z","cross_cats_sorted":[],"title_canon_sha256":"2d46b936fb9dc83c1d428e37cbc6b573f23c1cb512413ffd68ddae541cf1d59a","abstract_canon_sha256":"ffff22378a15a6bb798709ce002ccd0006435371de6d9d18a8fd692867032be3"},"schema_version":"1.0"},"canonical_sha256":"98421d060c7109be3fc2a83cb4a110a394af92d0fc4ea102a475e00ccd094689","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:54:12.397099Z","signature_b64":"A/fTUGEiTWyQE/XVwadET61hq4XnoMves+ybmsOLPdMR7bsm5XewIHZKFGrnMVBWORrU6a76boV7ztnkC/jQDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"98421d060c7109be3fc2a83cb4a110a394af92d0fc4ea102a475e00ccd094689","last_reissued_at":"2026-05-18T01:54:12.396515Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:54:12.396515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1210.0216","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:54:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0ZxrVZuYMiEwJw5f+8pOh5XiFp21ltupN583Kj8aW63GPUNT9/kyUZBtkilzJJf7mVoWyIXbKd4quNG9SCbgDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:23:12.205812Z"},"content_sha256":"1a1b8451e63809c090a5d2fe7f4a1e532686770160be717564ffe79c32cb20b1","schema_version":"1.0","event_id":"sha256:1a1b8451e63809c090a5d2fe7f4a1e532686770160be717564ffe79c32cb20b1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:TBBB2BQMOEE34P6CVA6LJIIQUO","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Infrared Study of Fullerene Planetary Nebulae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.SR","authors_text":"A. Manchado, D. A. Garcia-Hernandez, E. Villaver, F. Cataldo, J. A. Acosta-Pulido, L. Stanghellini, P. Garcia-Lario, R. A. Shaw","submitted_at":"2012-09-30T16:40:57Z","abstract_excerpt":"We present a study of 16 PNe where fullerenes have been detected in their Spitzer spectra. This large sample of objects offers an unique opportunity to test conditions of fullerene formation and survival under different metallicity environments as we are analyzing five sources in our own Galaxy, four in the LMC, and seven in the SMC. Among the 16 PNe under study, we present the first detection of C60 (possibly also C70) fullerenes in the PN M 1-60 as well as of the unusual 6.6, 9.8, and 20 um features (possible planar C24) in the PN K 3-54. Although selection effects in the original samples of"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0216","kind":"arxiv","version":3},"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":"2026-05-18T01:54:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"7lsusBFEaGCa1MPsXlD6JxRyfqMRJ5qeVFUIofflwQWjlJNFWUYDM8IGxH/xcBanLbXuqGE715vch+weh9/IDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-28T21:23:12.206516Z"},"content_sha256":"bfe81bc638fc35291bb331765b14d7b68c54533deb26dbe4f02b1d30e0fc07f0","schema_version":"1.0","event_id":"sha256:bfe81bc638fc35291bb331765b14d7b68c54533deb26dbe4f02b1d30e0fc07f0"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/TBBB2BQMOEE34P6CVA6LJIIQUO/bundle.json","state_url":"https://pith.science/pith/TBBB2BQMOEE34P6CVA6LJIIQUO/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/TBBB2BQMOEE34P6CVA6LJIIQUO/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":"2026-05-28T21:23:12Z","links":{"resolver":"https://pith.science/pith/TBBB2BQMOEE34P6CVA6LJIIQUO","bundle":"https://pith.science/pith/TBBB2BQMOEE34P6CVA6LJIIQUO/bundle.json","state":"https://pith.science/pith/TBBB2BQMOEE34P6CVA6LJIIQUO/state.json","well_known_bundle":"https://pith.science/.well-known/pith/TBBB2BQMOEE34P6CVA6LJIIQUO/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:TBBB2BQMOEE34P6CVA6LJIIQUO","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":"ffff22378a15a6bb798709ce002ccd0006435371de6d9d18a8fd692867032be3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-30T16:40:57Z","title_canon_sha256":"2d46b936fb9dc83c1d428e37cbc6b573f23c1cb512413ffd68ddae541cf1d59a"},"schema_version":"1.0","source":{"id":"1210.0216","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1210.0216","created_at":"2026-05-18T01:54:12Z"},{"alias_kind":"arxiv_version","alias_value":"1210.0216v3","created_at":"2026-05-18T01:54:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1210.0216","created_at":"2026-05-18T01:54:12Z"},{"alias_kind":"pith_short_12","alias_value":"TBBB2BQMOEE3","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_16","alias_value":"TBBB2BQMOEE34P6C","created_at":"2026-05-18T12:27:23Z"},{"alias_kind":"pith_short_8","alias_value":"TBBB2BQM","created_at":"2026-05-18T12:27:23Z"}],"graph_snapshots":[{"event_id":"sha256:bfe81bc638fc35291bb331765b14d7b68c54533deb26dbe4f02b1d30e0fc07f0","target":"graph","created_at":"2026-05-18T01:54:12Z","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 present a study of 16 PNe where fullerenes have been detected in their Spitzer spectra. This large sample of objects offers an unique opportunity to test conditions of fullerene formation and survival under different metallicity environments as we are analyzing five sources in our own Galaxy, four in the LMC, and seven in the SMC. Among the 16 PNe under study, we present the first detection of C60 (possibly also C70) fullerenes in the PN M 1-60 as well as of the unusual 6.6, 9.8, and 20 um features (possible planar C24) in the PN K 3-54. Although selection effects in the original samples of","authors_text":"A. Manchado, D. A. Garcia-Hernandez, E. Villaver, F. Cataldo, J. A. Acosta-Pulido, L. Stanghellini, P. Garcia-Lario, R. A. Shaw","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-30T16:40:57Z","title":"Infrared Study of Fullerene Planetary Nebulae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1210.0216","kind":"arxiv","version":3},"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":"sha256:1a1b8451e63809c090a5d2fe7f4a1e532686770160be717564ffe79c32cb20b1","target":"record","created_at":"2026-05-18T01:54:12Z","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":"ffff22378a15a6bb798709ce002ccd0006435371de6d9d18a8fd692867032be3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2012-09-30T16:40:57Z","title_canon_sha256":"2d46b936fb9dc83c1d428e37cbc6b573f23c1cb512413ffd68ddae541cf1d59a"},"schema_version":"1.0","source":{"id":"1210.0216","kind":"arxiv","version":3}},"canonical_sha256":"98421d060c7109be3fc2a83cb4a110a394af92d0fc4ea102a475e00ccd094689","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"98421d060c7109be3fc2a83cb4a110a394af92d0fc4ea102a475e00ccd094689","first_computed_at":"2026-05-18T01:54:12.396515Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:54:12.396515Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"A/fTUGEiTWyQE/XVwadET61hq4XnoMves+ybmsOLPdMR7bsm5XewIHZKFGrnMVBWORrU6a76boV7ztnkC/jQDA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:54:12.397099Z","signed_message":"canonical_sha256_bytes"},"source_id":"1210.0216","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:1a1b8451e63809c090a5d2fe7f4a1e532686770160be717564ffe79c32cb20b1","sha256:bfe81bc638fc35291bb331765b14d7b68c54533deb26dbe4f02b1d30e0fc07f0"],"state_sha256":"00b7acdf94d0acc35736eecab396c1f3d66ec963dc83b92d1657a0f2192c3445"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5z0Bj0zoyO1PSFt+C4N8q8jk2TePX3ERCVhmPGU3cAEfZIrbZDLdXC91LNcXWaJrxGG0A1nMzeRZgyxF4PWICQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-28T21:23:12.210231Z","bundle_sha256":"449b7584abfdf2397b113728cad80cb2f04f7a0165d650a7a6dcc789511b808d"}}