{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2013:C6HNVYWT2HA46PA5KURX5KDJJG","short_pith_number":"pith:C6HNVYWT","canonical_record":{"source":{"id":"1310.7711","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-29T09:04:08Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"de933be217239a952048cebd282ec27b8fa632cd5777b40c90d51d1c7572acaf","abstract_canon_sha256":"110cfb01bdd6519ac3d2e114f82bf6e01cfa9809dbf18035bb80e053921e64b7"},"schema_version":"1.0"},"canonical_sha256":"178edae2d3d1c1cf3c1d55237ea869499828b9d52f5a68fefbdb1b8e7936c7ea","source":{"kind":"arxiv","id":"1310.7711","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7711","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7711v1","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7711","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"pith_short_12","alias_value":"C6HNVYWT2HA4","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"C6HNVYWT2HA46PA5","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"C6HNVYWT","created_at":"2026-05-18T12:27:40Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2013:C6HNVYWT2HA46PA5KURX5KDJJG","target":"record","payload":{"canonical_record":{"source":{"id":"1310.7711","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-29T09:04:08Z","cross_cats_sorted":["astro-ph.GA"],"title_canon_sha256":"de933be217239a952048cebd282ec27b8fa632cd5777b40c90d51d1c7572acaf","abstract_canon_sha256":"110cfb01bdd6519ac3d2e114f82bf6e01cfa9809dbf18035bb80e053921e64b7"},"schema_version":"1.0"},"canonical_sha256":"178edae2d3d1c1cf3c1d55237ea869499828b9d52f5a68fefbdb1b8e7936c7ea","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:46:48.067581Z","signature_b64":"4jQA/8CS5B3ZwCA9es4XzSrfEqbJ6m4qEfz2p8F+Lj4mFj1GWLSOob4DUinR6UxA1bpLquKm/QYUlMdY3sMQBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"178edae2d3d1c1cf3c1d55237ea869499828b9d52f5a68fefbdb1b8e7936c7ea","last_reissued_at":"2026-05-18T01:46:48.066929Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:46:48.066929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1310.7711","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":"2026-05-18T01:46:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hHuTK292x4u+nM80TyMbuZCMRFwmRaphqivkDR7qeMupJ9MNd/dZym3FTH7rE1FfmxCfvZYxXvuB8R0InMufBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:00:04.840657Z"},"content_sha256":"36f5bc9a32399a5e0b9c6aceced9136a2a30780b85f0d67f40a39972a7790106","schema_version":"1.0","event_id":"sha256:36f5bc9a32399a5e0b9c6aceced9136a2a30780b85f0d67f40a39972a7790106"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2013:C6HNVYWT2HA46PA5KURX5KDJJG","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Physical Properties of Fullerene-containing Galactic Planetary Nebulae","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.SR","authors_text":"E. Peeters, F. Kemper, J. Bernard-Salas, J. Cami, Masaaki Otsuka","submitted_at":"2013-10-29T09:04:08Z","abstract_excerpt":"We searched the Spitzer Space Telescope data archive for Galactic planetary nebulae (PNe), that show the characteristic 17.4 and um features due to C60, also known as buckminsterfullerene. Out of 338 objects with Spitzer/IRS data, we found eleven C60-containing PNe, six of which (Hen2-68, IC2501, K3-62, M1-6, M1-9, and SaSt2-3) are new detections. We analyzed the spectra, along with ancillary data, using the photo-ionization code CLOUDY to establish the atomic line fluxes, and determine the properties of the radiation field, as set by the effective temperature of the central star. In addition,"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7711","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":"2026-05-18T01:46:48Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Exm01EtTUYYZ9som9AKKKXnuOY7Ama5gN9V4yNAOIvwDW9aAkwUumV8VZIuIopOwENRbvMXo5k+nRz4fDGC7Aw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T03:00:04.841287Z"},"content_sha256":"e0d5a3bef5d3d5ed2bbf5a85b60d558116ff3a5e05534c6191b05c6be8a3a2eb","schema_version":"1.0","event_id":"sha256:e0d5a3bef5d3d5ed2bbf5a85b60d558116ff3a5e05534c6191b05c6be8a3a2eb"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/C6HNVYWT2HA46PA5KURX5KDJJG/bundle.json","state_url":"https://pith.science/pith/C6HNVYWT2HA46PA5KURX5KDJJG/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/C6HNVYWT2HA46PA5KURX5KDJJG/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":"2026-05-27T03:00:04Z","links":{"resolver":"https://pith.science/pith/C6HNVYWT2HA46PA5KURX5KDJJG","bundle":"https://pith.science/pith/C6HNVYWT2HA46PA5KURX5KDJJG/bundle.json","state":"https://pith.science/pith/C6HNVYWT2HA46PA5KURX5KDJJG/state.json","well_known_bundle":"https://pith.science/.well-known/pith/C6HNVYWT2HA46PA5KURX5KDJJG/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2013:C6HNVYWT2HA46PA5KURX5KDJJG","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":"110cfb01bdd6519ac3d2e114f82bf6e01cfa9809dbf18035bb80e053921e64b7","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-29T09:04:08Z","title_canon_sha256":"de933be217239a952048cebd282ec27b8fa632cd5777b40c90d51d1c7572acaf"},"schema_version":"1.0","source":{"id":"1310.7711","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1310.7711","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"arxiv_version","alias_value":"1310.7711v1","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1310.7711","created_at":"2026-05-18T01:46:48Z"},{"alias_kind":"pith_short_12","alias_value":"C6HNVYWT2HA4","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_16","alias_value":"C6HNVYWT2HA46PA5","created_at":"2026-05-18T12:27:40Z"},{"alias_kind":"pith_short_8","alias_value":"C6HNVYWT","created_at":"2026-05-18T12:27:40Z"}],"graph_snapshots":[{"event_id":"sha256:e0d5a3bef5d3d5ed2bbf5a85b60d558116ff3a5e05534c6191b05c6be8a3a2eb","target":"graph","created_at":"2026-05-18T01:46:48Z","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 searched the Spitzer Space Telescope data archive for Galactic planetary nebulae (PNe), that show the characteristic 17.4 and um features due to C60, also known as buckminsterfullerene. Out of 338 objects with Spitzer/IRS data, we found eleven C60-containing PNe, six of which (Hen2-68, IC2501, K3-62, M1-6, M1-9, and SaSt2-3) are new detections. We analyzed the spectra, along with ancillary data, using the photo-ionization code CLOUDY to establish the atomic line fluxes, and determine the properties of the radiation field, as set by the effective temperature of the central star. In addition,","authors_text":"E. Peeters, F. Kemper, J. Bernard-Salas, J. Cami, Masaaki Otsuka","cross_cats":["astro-ph.GA"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-29T09:04:08Z","title":"Physical Properties of Fullerene-containing Galactic Planetary Nebulae"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1310.7711","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":"sha256:36f5bc9a32399a5e0b9c6aceced9136a2a30780b85f0d67f40a39972a7790106","target":"record","created_at":"2026-05-18T01:46:48Z","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":"110cfb01bdd6519ac3d2e114f82bf6e01cfa9809dbf18035bb80e053921e64b7","cross_cats_sorted":["astro-ph.GA"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.SR","submitted_at":"2013-10-29T09:04:08Z","title_canon_sha256":"de933be217239a952048cebd282ec27b8fa632cd5777b40c90d51d1c7572acaf"},"schema_version":"1.0","source":{"id":"1310.7711","kind":"arxiv","version":1}},"canonical_sha256":"178edae2d3d1c1cf3c1d55237ea869499828b9d52f5a68fefbdb1b8e7936c7ea","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"178edae2d3d1c1cf3c1d55237ea869499828b9d52f5a68fefbdb1b8e7936c7ea","first_computed_at":"2026-05-18T01:46:48.066929Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:46:48.066929Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"4jQA/8CS5B3ZwCA9es4XzSrfEqbJ6m4qEfz2p8F+Lj4mFj1GWLSOob4DUinR6UxA1bpLquKm/QYUlMdY3sMQBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T01:46:48.067581Z","signed_message":"canonical_sha256_bytes"},"source_id":"1310.7711","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:36f5bc9a32399a5e0b9c6aceced9136a2a30780b85f0d67f40a39972a7790106","sha256:e0d5a3bef5d3d5ed2bbf5a85b60d558116ff3a5e05534c6191b05c6be8a3a2eb"],"state_sha256":"ef387f379e2aff67ade069b3a7daf637c2587e0f05fd9e84fa98c2ecd08bd826"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"f6wpfvT9IXxoHD8LiNGb60R8gd8gk2SjWZSBKg3sODtggGooogZiwJVPWx72YWCFIf2ofbi6b5eCLYBBCoLHBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T03:00:04.844586Z","bundle_sha256":"856a9b71cce45a16bbd9d0ee41bd29ec7cb2703c5a25569c781e2bec7dca1a0a"}}