{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:KIZFJAW45ZGCUPYL3ZMONDNER2","short_pith_number":"pith:KIZFJAW4","canonical_record":{"source":{"id":"2606.03575","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-02T12:44:05Z","cross_cats_sorted":[],"title_canon_sha256":"45ede6792e022ea5bffcb4f85e7317e1dfe6b98bc3d6d448471a8d929c14284c","abstract_canon_sha256":"cebba52f9f1f060cff44963e0f6f5eb8ea48570624aa9edf7fa61798218bb68c"},"schema_version":"1.0"},"canonical_sha256":"52325482dcee4c2a3f0bde58e68da48e8aa8b41259747eb50269fd15bf6d6bbe","source":{"kind":"arxiv","id":"2606.03575","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.03575","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"arxiv_version","alias_value":"2606.03575v1","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.03575","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"pith_short_12","alias_value":"KIZFJAW45ZGC","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"pith_short_16","alias_value":"KIZFJAW45ZGCUPYL","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"pith_short_8","alias_value":"KIZFJAW4","created_at":"2026-06-03T01:06:01Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:KIZFJAW45ZGCUPYL3ZMONDNER2","target":"record","payload":{"canonical_record":{"source":{"id":"2606.03575","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-02T12:44:05Z","cross_cats_sorted":[],"title_canon_sha256":"45ede6792e022ea5bffcb4f85e7317e1dfe6b98bc3d6d448471a8d929c14284c","abstract_canon_sha256":"cebba52f9f1f060cff44963e0f6f5eb8ea48570624aa9edf7fa61798218bb68c"},"schema_version":"1.0"},"canonical_sha256":"52325482dcee4c2a3f0bde58e68da48e8aa8b41259747eb50269fd15bf6d6bbe","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-03T01:06:01.252343Z","signature_b64":"5qvXrzNk8xh7A68MdXfsGy2leewIHSYYTWAO3LluwfklccNxKQVh/eZIRovZeM630hTGpb/i1oOSva+krxYIBQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"52325482dcee4c2a3f0bde58e68da48e8aa8b41259747eb50269fd15bf6d6bbe","last_reissued_at":"2026-06-03T01:06:01.251948Z","signature_status":"signed_v1","first_computed_at":"2026-06-03T01:06:01.251948Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.03575","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":"2026-06-03T01:06:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"rWfGWILDOT9bJ83M3FQPIPgSjkKuVqnWNvxoOyAWhKZwFZFd0yl7w/M0FUEMh4uxTXOHUvDIKZxT8loF28sdCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T19:28:00.204189Z"},"content_sha256":"614891cc3a9d53c151c80d68903237a468a0648f3e61d99514debce9e6c2931d","schema_version":"1.0","event_id":"sha256:614891cc3a9d53c151c80d68903237a468a0648f3e61d99514debce9e6c2931d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:KIZFJAW45ZGCUPYL3ZMONDNER2","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Acenaphthene Derivatives as Signatures of C$_{11}$H$_9^+$ Reactivity with Methylated Naphthalenes","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.GA","authors_text":"Ana I. Lozano, Anthony Bonnamy, Aude Simon, Christine Joblin","submitted_at":"2026-06-02T12:44:05Z","abstract_excerpt":"C$_{11}$H$_9^+$ ion is the dominant fragment cation formed from methyl-naphthalene (MeNp) and dimethyl-naphthalene (diMeNp). Using the multiplex capabilities of PIRENEA, a setup dedicated to laboratory astrophysics, we studied the reactivity of the benzylium-like isomers of C$_{11}$H$_9^+$ with diMeNp under isolated conditions relevant to radiative association. Two reaction products are observed, C$_{12}$H$_{11}^+$ -- also formed in the reaction with MeNp -- and C$_{13}$H$_{13}^+$, with branching ratios that depend on the specific diMeNp isomer. The reaction products were subsequently exposed "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.03575","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2606.03575/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-06-03T01:06:01Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"zgBH3fkexoO532MnE+3FRMgPXUuzmRuMiXXu8ReXyDsI8X6nPo69fQLW+FHqm1xJxIB0dBKhqq7FFaM/SdvrBQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-28T19:28:00.204568Z"},"content_sha256":"c2f880e6c65d83c23349690f5a01af344bbfe2f9a2610a0799d587aa31e07a21","schema_version":"1.0","event_id":"sha256:c2f880e6c65d83c23349690f5a01af344bbfe2f9a2610a0799d587aa31e07a21"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KIZFJAW45ZGCUPYL3ZMONDNER2/bundle.json","state_url":"https://pith.science/pith/KIZFJAW45ZGCUPYL3ZMONDNER2/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KIZFJAW45ZGCUPYL3ZMONDNER2/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":"2026-06-28T19:28:00Z","links":{"resolver":"https://pith.science/pith/KIZFJAW45ZGCUPYL3ZMONDNER2","bundle":"https://pith.science/pith/KIZFJAW45ZGCUPYL3ZMONDNER2/bundle.json","state":"https://pith.science/pith/KIZFJAW45ZGCUPYL3ZMONDNER2/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KIZFJAW45ZGCUPYL3ZMONDNER2/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:KIZFJAW45ZGCUPYL3ZMONDNER2","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":"cebba52f9f1f060cff44963e0f6f5eb8ea48570624aa9edf7fa61798218bb68c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-02T12:44:05Z","title_canon_sha256":"45ede6792e022ea5bffcb4f85e7317e1dfe6b98bc3d6d448471a8d929c14284c"},"schema_version":"1.0","source":{"id":"2606.03575","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.03575","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"arxiv_version","alias_value":"2606.03575v1","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.03575","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"pith_short_12","alias_value":"KIZFJAW45ZGC","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"pith_short_16","alias_value":"KIZFJAW45ZGCUPYL","created_at":"2026-06-03T01:06:01Z"},{"alias_kind":"pith_short_8","alias_value":"KIZFJAW4","created_at":"2026-06-03T01:06:01Z"}],"graph_snapshots":[{"event_id":"sha256:c2f880e6c65d83c23349690f5a01af344bbfe2f9a2610a0799d587aa31e07a21","target":"graph","created_at":"2026-06-03T01:06:01Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.03575/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"C$_{11}$H$_9^+$ ion is the dominant fragment cation formed from methyl-naphthalene (MeNp) and dimethyl-naphthalene (diMeNp). Using the multiplex capabilities of PIRENEA, a setup dedicated to laboratory astrophysics, we studied the reactivity of the benzylium-like isomers of C$_{11}$H$_9^+$ with diMeNp under isolated conditions relevant to radiative association. Two reaction products are observed, C$_{12}$H$_{11}^+$ -- also formed in the reaction with MeNp -- and C$_{13}$H$_{13}^+$, with branching ratios that depend on the specific diMeNp isomer. The reaction products were subsequently exposed ","authors_text":"Ana I. Lozano, Anthony Bonnamy, Aude Simon, Christine Joblin","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-02T12:44:05Z","title":"Acenaphthene Derivatives as Signatures of C$_{11}$H$_9^+$ Reactivity with Methylated Naphthalenes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.03575","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":"sha256:614891cc3a9d53c151c80d68903237a468a0648f3e61d99514debce9e6c2931d","target":"record","created_at":"2026-06-03T01:06:01Z","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":"cebba52f9f1f060cff44963e0f6f5eb8ea48570624aa9edf7fa61798218bb68c","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"astro-ph.GA","submitted_at":"2026-06-02T12:44:05Z","title_canon_sha256":"45ede6792e022ea5bffcb4f85e7317e1dfe6b98bc3d6d448471a8d929c14284c"},"schema_version":"1.0","source":{"id":"2606.03575","kind":"arxiv","version":1}},"canonical_sha256":"52325482dcee4c2a3f0bde58e68da48e8aa8b41259747eb50269fd15bf6d6bbe","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"52325482dcee4c2a3f0bde58e68da48e8aa8b41259747eb50269fd15bf6d6bbe","first_computed_at":"2026-06-03T01:06:01.251948Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-03T01:06:01.251948Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"5qvXrzNk8xh7A68MdXfsGy2leewIHSYYTWAO3LluwfklccNxKQVh/eZIRovZeM630hTGpb/i1oOSva+krxYIBQ==","signature_status":"signed_v1","signed_at":"2026-06-03T01:06:01.252343Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.03575","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:614891cc3a9d53c151c80d68903237a468a0648f3e61d99514debce9e6c2931d","sha256:c2f880e6c65d83c23349690f5a01af344bbfe2f9a2610a0799d587aa31e07a21"],"state_sha256":"fc06bb89ce3d157561ecc3f1bcea6830d36dee3425954da216752fa877c6bf2a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LJtgiZKqczBGx9902Oubho7MNIwWIIoccwbw+aX0dXjcubupz1x4OYahgT2KgKoKot9sGqbq3hdslpHleD5pDw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-28T19:28:00.206511Z","bundle_sha256":"0dde7d293bbb5b959bd72a7bc3063785064d2de84dac66bbe29b4850abf273d4"}}