{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2009:KCMSFPZ2EDIYXN5DGVW42IHZG4","short_pith_number":"pith:KCMSFPZ2","canonical_record":{"source":{"id":"0903.0759","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-03-04T13:41:17Z","cross_cats_sorted":[],"title_canon_sha256":"d9d4acf86e8e28d4b02bb2ea32c26a323cb77a14a322d2de84aac1e1240ac85d","abstract_canon_sha256":"e8add85b45c778e81cad722572d0f09c9282a40db60ff12eef3b2b3e9b167653"},"schema_version":"1.0"},"canonical_sha256":"509922bf3a20d18bb7a3356dcd20f9372fdf783e0bc9279332340e5e7d1cab13","source":{"kind":"arxiv","id":"0903.0759","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.0759","created_at":"2026-05-18T04:36:40Z"},{"alias_kind":"arxiv_version","alias_value":"0903.0759v1","created_at":"2026-05-18T04:36:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.0759","created_at":"2026-05-18T04:36:40Z"},{"alias_kind":"pith_short_12","alias_value":"KCMSFPZ2EDIY","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"KCMSFPZ2EDIYXN5D","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"KCMSFPZ2","created_at":"2026-05-18T12:26:00Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2009:KCMSFPZ2EDIYXN5DGVW42IHZG4","target":"record","payload":{"canonical_record":{"source":{"id":"0903.0759","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-03-04T13:41:17Z","cross_cats_sorted":[],"title_canon_sha256":"d9d4acf86e8e28d4b02bb2ea32c26a323cb77a14a322d2de84aac1e1240ac85d","abstract_canon_sha256":"e8add85b45c778e81cad722572d0f09c9282a40db60ff12eef3b2b3e9b167653"},"schema_version":"1.0"},"canonical_sha256":"509922bf3a20d18bb7a3356dcd20f9372fdf783e0bc9279332340e5e7d1cab13","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:36:40.694751Z","signature_b64":"3tOx+y/L4KGU35ArsSAz8v24knw/0t3l0O6y1CjrJqTfehlwzsayn4RM93/1EwBpZ5m2iRSCI2k7PQj/S4ZmBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"509922bf3a20d18bb7a3356dcd20f9372fdf783e0bc9279332340e5e7d1cab13","last_reissued_at":"2026-05-18T04:36:40.694305Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:36:40.694305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"0903.0759","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":"2026-05-18T04:36:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8aTQOVJRMK1k7SxnH7KMrAuyDdPn+98X6lsNlVG23BnuWx78m0b/4ikpJQNS5SucemHNbt15ruBFpLA6inItAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T05:05:16.655863Z"},"content_sha256":"e23887fb1f0d10abd34713368a956a67d7bbf9bfedb1f5e0784fd7ea3b35b738","schema_version":"1.0","event_id":"sha256:e23887fb1f0d10abd34713368a956a67d7bbf9bfedb1f5e0784fd7ea3b35b738"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2009:KCMSFPZ2EDIYXN5DGVW42IHZG4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spectral properties of gas-phase condensed fullerene-like carbon nanoparticles from far-ultraviolet to infrared wavelengths","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"C. J\\\"ager, F. Huisken, H. Mutschke, Th. Henning","submitted_at":"2009-03-04T13:41:17Z","abstract_excerpt":"Carbon solids are ubiquitous material in the interstellar space. However, the formation pathway of carbonaceous matter in astrophysical environments as well as in terrestrial gas-phase condensation reactions is not yet understood. Laser ablation of graphite in different quenching gas atmospheres such as pure He, He/H$_2$, and He/H$_2$O at varying pressures is used to synthesize very small, fullerene-like carbon nanoparticles. The particles are characterized by very small diameters between 1 and 4 nm and a disturbed onion-like structure. The soot particles extracted from the condensation zone o"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.0759","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":"2026-05-18T04:36:40Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gqFrGEa0JZsjatDl06gMcrTwEFQsqrN31NBBy8vVBw+n9HhJwuwjTzJa/BpjTm6Oyn+IlkQJppTSEI0sqvrRCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T05:05:16.656585Z"},"content_sha256":"b13b222a7c4f3659694b3a12feae53acf79893f676a2aa5726d45fbcf57e7281","schema_version":"1.0","event_id":"sha256:b13b222a7c4f3659694b3a12feae53acf79893f676a2aa5726d45fbcf57e7281"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KCMSFPZ2EDIYXN5DGVW42IHZG4/bundle.json","state_url":"https://pith.science/pith/KCMSFPZ2EDIYXN5DGVW42IHZG4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KCMSFPZ2EDIYXN5DGVW42IHZG4/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":"2026-05-24T05:05:16Z","links":{"resolver":"https://pith.science/pith/KCMSFPZ2EDIYXN5DGVW42IHZG4","bundle":"https://pith.science/pith/KCMSFPZ2EDIYXN5DGVW42IHZG4/bundle.json","state":"https://pith.science/pith/KCMSFPZ2EDIYXN5DGVW42IHZG4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KCMSFPZ2EDIYXN5DGVW42IHZG4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2009:KCMSFPZ2EDIYXN5DGVW42IHZG4","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":"e8add85b45c778e81cad722572d0f09c9282a40db60ff12eef3b2b3e9b167653","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-03-04T13:41:17Z","title_canon_sha256":"d9d4acf86e8e28d4b02bb2ea32c26a323cb77a14a322d2de84aac1e1240ac85d"},"schema_version":"1.0","source":{"id":"0903.0759","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"0903.0759","created_at":"2026-05-18T04:36:40Z"},{"alias_kind":"arxiv_version","alias_value":"0903.0759v1","created_at":"2026-05-18T04:36:40Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.0903.0759","created_at":"2026-05-18T04:36:40Z"},{"alias_kind":"pith_short_12","alias_value":"KCMSFPZ2EDIY","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_16","alias_value":"KCMSFPZ2EDIYXN5D","created_at":"2026-05-18T12:26:00Z"},{"alias_kind":"pith_short_8","alias_value":"KCMSFPZ2","created_at":"2026-05-18T12:26:00Z"}],"graph_snapshots":[{"event_id":"sha256:b13b222a7c4f3659694b3a12feae53acf79893f676a2aa5726d45fbcf57e7281","target":"graph","created_at":"2026-05-18T04:36:40Z","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":"Carbon solids are ubiquitous material in the interstellar space. However, the formation pathway of carbonaceous matter in astrophysical environments as well as in terrestrial gas-phase condensation reactions is not yet understood. Laser ablation of graphite in different quenching gas atmospheres such as pure He, He/H$_2$, and He/H$_2$O at varying pressures is used to synthesize very small, fullerene-like carbon nanoparticles. The particles are characterized by very small diameters between 1 and 4 nm and a disturbed onion-like structure. The soot particles extracted from the condensation zone o","authors_text":"C. J\\\"ager, F. Huisken, H. Mutschke, Th. Henning","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-03-04T13:41:17Z","title":"Spectral properties of gas-phase condensed fullerene-like carbon nanoparticles from far-ultraviolet to infrared wavelengths"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"0903.0759","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:e23887fb1f0d10abd34713368a956a67d7bbf9bfedb1f5e0784fd7ea3b35b738","target":"record","created_at":"2026-05-18T04:36:40Z","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":"e8add85b45c778e81cad722572d0f09c9282a40db60ff12eef3b2b3e9b167653","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.GA","submitted_at":"2009-03-04T13:41:17Z","title_canon_sha256":"d9d4acf86e8e28d4b02bb2ea32c26a323cb77a14a322d2de84aac1e1240ac85d"},"schema_version":"1.0","source":{"id":"0903.0759","kind":"arxiv","version":1}},"canonical_sha256":"509922bf3a20d18bb7a3356dcd20f9372fdf783e0bc9279332340e5e7d1cab13","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"509922bf3a20d18bb7a3356dcd20f9372fdf783e0bc9279332340e5e7d1cab13","first_computed_at":"2026-05-18T04:36:40.694305Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:36:40.694305Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3tOx+y/L4KGU35ArsSAz8v24knw/0t3l0O6y1CjrJqTfehlwzsayn4RM93/1EwBpZ5m2iRSCI2k7PQj/S4ZmBQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:36:40.694751Z","signed_message":"canonical_sha256_bytes"},"source_id":"0903.0759","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e23887fb1f0d10abd34713368a956a67d7bbf9bfedb1f5e0784fd7ea3b35b738","sha256:b13b222a7c4f3659694b3a12feae53acf79893f676a2aa5726d45fbcf57e7281"],"state_sha256":"b7026bde70bbed206c5bc9b160afd8ea14b7b49d7f43d132af8cf569aadc9649"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rXgEuqb6vVXkYYRpAlpiiGL4zcBq6FT6l+IoCVo/yYsCEixblNFkNv4pTrsVAdmLlxJrg/mPIYz2N6c4pS1IAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T05:05:16.660411Z","bundle_sha256":"ac370eb46eecb14b76a2714ed057a0d55ce63fcf66ea601033a97ffdf882224c"}}