{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2026:LQHKGTFNIPZHAEDBYIZWM2DMAR","short_pith_number":"pith:LQHKGTFN","canonical_record":{"source":{"id":"2606.09285","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.FA","submitted_at":"2026-06-08T09:52:25Z","cross_cats_sorted":[],"title_canon_sha256":"1334e27b4fec9355f2897c44fe7bbee5c53f5e56b5cf499eace7faa674c87fa4","abstract_canon_sha256":"9168a9ff7d12a37270e5448ad7b9e8223a9a76326872912f022501d14b6a62c3"},"schema_version":"1.0"},"canonical_sha256":"5c0ea34cad43f2701061c23366686c04436c8de25632b371e6b7d410dc62aa50","source":{"kind":"arxiv","id":"2606.09285","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.09285","created_at":"2026-06-09T02:08:12Z"},{"alias_kind":"arxiv_version","alias_value":"2606.09285v1","created_at":"2026-06-09T02:08:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09285","created_at":"2026-06-09T02:08:12Z"},{"alias_kind":"pith_short_12","alias_value":"LQHKGTFNIPZH","created_at":"2026-06-09T02:08:12Z"},{"alias_kind":"pith_short_16","alias_value":"LQHKGTFNIPZHAEDB","created_at":"2026-06-09T02:08:12Z"},{"alias_kind":"pith_short_8","alias_value":"LQHKGTFN","created_at":"2026-06-09T02:08:12Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2026:LQHKGTFNIPZHAEDBYIZWM2DMAR","target":"record","payload":{"canonical_record":{"source":{"id":"2606.09285","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.FA","submitted_at":"2026-06-08T09:52:25Z","cross_cats_sorted":[],"title_canon_sha256":"1334e27b4fec9355f2897c44fe7bbee5c53f5e56b5cf499eace7faa674c87fa4","abstract_canon_sha256":"9168a9ff7d12a37270e5448ad7b9e8223a9a76326872912f022501d14b6a62c3"},"schema_version":"1.0"},"canonical_sha256":"5c0ea34cad43f2701061c23366686c04436c8de25632b371e6b7d410dc62aa50","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-06-09T02:08:12.386985Z","signature_b64":"8b6W2Ba+s2pVVjQ9QU64ZgB3kaffV9fa7Fs/NgK+rwKQ3+58I9YJhAMrkg3PiqM6/l5xJHFrCznkZkKxH26ZCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5c0ea34cad43f2701061c23366686c04436c8de25632b371e6b7d410dc62aa50","last_reissued_at":"2026-06-09T02:08:12.385985Z","signature_status":"signed_v1","first_computed_at":"2026-06-09T02:08:12.385985Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2606.09285","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":"2026-06-09T02:08:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"u5Ru99PkPQABCfgPzcJqJX8Re1axtI0gk2WzZorryO89fa88dyORxQTad5gyJLNTwFMi8O6x3BYhczCUc4IQBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T06:37:57.780847Z"},"content_sha256":"7b08c71bd59791804cbe1913e16a44488879d0b259c69468f1d1e68971881b8b","schema_version":"1.0","event_id":"sha256:7b08c71bd59791804cbe1913e16a44488879d0b259c69468f1d1e68971881b8b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2026:LQHKGTFNIPZHAEDBYIZWM2DMAR","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Essential contractibility of Banach algebras","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"math.FA","authors_text":"Amir Sahami, Batoul S. Mortazavi-Samarin, Mehdi Rostami","submitted_at":"2026-06-08T09:52:25Z","abstract_excerpt":"In this paper, a new notion, essential contractibility of Banach algebras, is introduced and some of its properties are examined. The main result is to investigate the essential contractibility of (symmetric abstract) Segal algebras."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09285","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/2606.09285/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":"2026-06-09T02:08:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"0ETu7Ikw5Hu8ugEcYou792TKPYFGMfoGNA30Ugh2IDBLDJDScE7ltbu3rLwIJqsbZ6paXH/14wj5187c4fwlDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-23T06:37:57.781487Z"},"content_sha256":"fad1286ad33fda37e0c946217cf7cd256f4f28884ce86a5a5c7a06ae65285e33","schema_version":"1.0","event_id":"sha256:fad1286ad33fda37e0c946217cf7cd256f4f28884ce86a5a5c7a06ae65285e33"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LQHKGTFNIPZHAEDBYIZWM2DMAR/bundle.json","state_url":"https://pith.science/pith/LQHKGTFNIPZHAEDBYIZWM2DMAR/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LQHKGTFNIPZHAEDBYIZWM2DMAR/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":"2026-06-23T06:37:57Z","links":{"resolver":"https://pith.science/pith/LQHKGTFNIPZHAEDBYIZWM2DMAR","bundle":"https://pith.science/pith/LQHKGTFNIPZHAEDBYIZWM2DMAR/bundle.json","state":"https://pith.science/pith/LQHKGTFNIPZHAEDBYIZWM2DMAR/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LQHKGTFNIPZHAEDBYIZWM2DMAR/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2026:LQHKGTFNIPZHAEDBYIZWM2DMAR","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":"9168a9ff7d12a37270e5448ad7b9e8223a9a76326872912f022501d14b6a62c3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.FA","submitted_at":"2026-06-08T09:52:25Z","title_canon_sha256":"1334e27b4fec9355f2897c44fe7bbee5c53f5e56b5cf499eace7faa674c87fa4"},"schema_version":"1.0","source":{"id":"2606.09285","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2606.09285","created_at":"2026-06-09T02:08:12Z"},{"alias_kind":"arxiv_version","alias_value":"2606.09285v1","created_at":"2026-06-09T02:08:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2606.09285","created_at":"2026-06-09T02:08:12Z"},{"alias_kind":"pith_short_12","alias_value":"LQHKGTFNIPZH","created_at":"2026-06-09T02:08:12Z"},{"alias_kind":"pith_short_16","alias_value":"LQHKGTFNIPZHAEDB","created_at":"2026-06-09T02:08:12Z"},{"alias_kind":"pith_short_8","alias_value":"LQHKGTFN","created_at":"2026-06-09T02:08:12Z"}],"graph_snapshots":[{"event_id":"sha256:fad1286ad33fda37e0c946217cf7cd256f4f28884ce86a5a5c7a06ae65285e33","target":"graph","created_at":"2026-06-09T02:08:12Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2606.09285/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"In this paper, a new notion, essential contractibility of Banach algebras, is introduced and some of its properties are examined. The main result is to investigate the essential contractibility of (symmetric abstract) Segal algebras.","authors_text":"Amir Sahami, Batoul S. Mortazavi-Samarin, Mehdi Rostami","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.FA","submitted_at":"2026-06-08T09:52:25Z","title":"Essential contractibility of Banach algebras"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2606.09285","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":"sha256:7b08c71bd59791804cbe1913e16a44488879d0b259c69468f1d1e68971881b8b","target":"record","created_at":"2026-06-09T02:08:12Z","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":"9168a9ff7d12a37270e5448ad7b9e8223a9a76326872912f022501d14b6a62c3","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"math.FA","submitted_at":"2026-06-08T09:52:25Z","title_canon_sha256":"1334e27b4fec9355f2897c44fe7bbee5c53f5e56b5cf499eace7faa674c87fa4"},"schema_version":"1.0","source":{"id":"2606.09285","kind":"arxiv","version":1}},"canonical_sha256":"5c0ea34cad43f2701061c23366686c04436c8de25632b371e6b7d410dc62aa50","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5c0ea34cad43f2701061c23366686c04436c8de25632b371e6b7d410dc62aa50","first_computed_at":"2026-06-09T02:08:12.385985Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-06-09T02:08:12.385985Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8b6W2Ba+s2pVVjQ9QU64ZgB3kaffV9fa7Fs/NgK+rwKQ3+58I9YJhAMrkg3PiqM6/l5xJHFrCznkZkKxH26ZCg==","signature_status":"signed_v1","signed_at":"2026-06-09T02:08:12.386985Z","signed_message":"canonical_sha256_bytes"},"source_id":"2606.09285","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:7b08c71bd59791804cbe1913e16a44488879d0b259c69468f1d1e68971881b8b","sha256:fad1286ad33fda37e0c946217cf7cd256f4f28884ce86a5a5c7a06ae65285e33"],"state_sha256":"c72d5ad030daccecdeeb902fd8c5d3849538763bcb17406a9d1032b8135a6e16"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MN7dPDRjZdYBAF1BmcWCJCvvUl0eh4Zv6qpbfdZSwvDqwYLBeALB2PSgI4dptbvPTD7tiOu02/ih09pKhPHfBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-23T06:37:57.784166Z","bundle_sha256":"6e083fe2c4a54f9148006b0a519c23b76469fef0038df1d8003380cc1d4c66e4"}}