{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:PCSQQIOTN4HMIQJSUR64AJSD5V","short_pith_number":"pith:PCSQQIOT","canonical_record":{"source":{"id":"1111.6137","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-11-26T05:27:53Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"54b534ed1b67f2944480ebd8bba28115bcf7e26ee90490915b9c61eb8d85b471","abstract_canon_sha256":"56561e1d0a19ee2fb5899849d9532959e88a0995a1dcd32c27292b87313c1aea"},"schema_version":"1.0"},"canonical_sha256":"78a50821d36f0ec44132a47dc02643ed5188efbddbb6a78d91f7c1dc413e6710","source":{"kind":"arxiv","id":"1111.6137","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.6137","created_at":"2026-05-18T03:19:11Z"},{"alias_kind":"arxiv_version","alias_value":"1111.6137v2","created_at":"2026-05-18T03:19:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.6137","created_at":"2026-05-18T03:19:11Z"},{"alias_kind":"pith_short_12","alias_value":"PCSQQIOTN4HM","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PCSQQIOTN4HMIQJS","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PCSQQIOT","created_at":"2026-05-18T12:26:39Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:PCSQQIOTN4HMIQJSUR64AJSD5V","target":"record","payload":{"canonical_record":{"source":{"id":"1111.6137","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-11-26T05:27:53Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"54b534ed1b67f2944480ebd8bba28115bcf7e26ee90490915b9c61eb8d85b471","abstract_canon_sha256":"56561e1d0a19ee2fb5899849d9532959e88a0995a1dcd32c27292b87313c1aea"},"schema_version":"1.0"},"canonical_sha256":"78a50821d36f0ec44132a47dc02643ed5188efbddbb6a78d91f7c1dc413e6710","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T03:19:11.810554Z","signature_b64":"EefxgkpOTyMfxt/t9I+QabTrVEvjuD6t1Xa33fy/nALxo7+YMUfRtu8/HhVVpe5hQJf7EwPn0j152TXivcB6Bg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"78a50821d36f0ec44132a47dc02643ed5188efbddbb6a78d91f7c1dc413e6710","last_reissued_at":"2026-05-18T03:19:11.810127Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T03:19:11.810127Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1111.6137","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T03:19:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"32HudenV6Jom3L9G6uCTxqMMXiApk6nBxSlmDgox3MCorSM5LVRmaOryzqIrOS96nXYRUk1qNKYVJo39sI6FAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:32:03.283630Z"},"content_sha256":"686cdc93e424d6886921341d04f6ba3c47aa5c8a82e7778123d78d1ed245cf5e","schema_version":"1.0","event_id":"sha256:686cdc93e424d6886921341d04f6ba3c47aa5c8a82e7778123d78d1ed245cf5e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:PCSQQIOTN4HMIQJSUR64AJSD5V","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"On Deformed Phase Space and $\\Lambda$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"E. Mena, M. Sabido, S. P\\'erez-Pay\\'an","submitted_at":"2011-11-26T05:27:53Z","abstract_excerpt":"In this letter we study the effects of a noncommutative in the phase space of an empty (4+1) Kaluza-Klein universe with cosmological constant. We analyze the effects of the noncommutative deformations on the cosmological constant. Finally we comment on the possibility that the origin of the cosmological constant in this model, is related to the noncommutativity between the 4 dimensional scale factor and the compact extra dimension."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.6137","kind":"arxiv","version":2},"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":"2026-05-18T03:19:11Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mfX1YZdfLKlqjiBMuWbfXVZjJBEZBkUauiA/bhIvdDYexZz1wHrihV+y8isC1yg9u8I8kIIrKVFGbJFroQmDAQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T02:32:03.283969Z"},"content_sha256":"fb75446d3334f48cc718b53c4762ca5d1bdb6bcd27e09a37a38b9cbe08c08360","schema_version":"1.0","event_id":"sha256:fb75446d3334f48cc718b53c4762ca5d1bdb6bcd27e09a37a38b9cbe08c08360"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/PCSQQIOTN4HMIQJSUR64AJSD5V/bundle.json","state_url":"https://pith.science/pith/PCSQQIOTN4HMIQJSUR64AJSD5V/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/PCSQQIOTN4HMIQJSUR64AJSD5V/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":"2026-06-02T02:32:03Z","links":{"resolver":"https://pith.science/pith/PCSQQIOTN4HMIQJSUR64AJSD5V","bundle":"https://pith.science/pith/PCSQQIOTN4HMIQJSUR64AJSD5V/bundle.json","state":"https://pith.science/pith/PCSQQIOTN4HMIQJSUR64AJSD5V/state.json","well_known_bundle":"https://pith.science/.well-known/pith/PCSQQIOTN4HMIQJSUR64AJSD5V/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:PCSQQIOTN4HMIQJSUR64AJSD5V","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":"56561e1d0a19ee2fb5899849d9532959e88a0995a1dcd32c27292b87313c1aea","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-11-26T05:27:53Z","title_canon_sha256":"54b534ed1b67f2944480ebd8bba28115bcf7e26ee90490915b9c61eb8d85b471"},"schema_version":"1.0","source":{"id":"1111.6137","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1111.6137","created_at":"2026-05-18T03:19:11Z"},{"alias_kind":"arxiv_version","alias_value":"1111.6137v2","created_at":"2026-05-18T03:19:11Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1111.6137","created_at":"2026-05-18T03:19:11Z"},{"alias_kind":"pith_short_12","alias_value":"PCSQQIOTN4HM","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_16","alias_value":"PCSQQIOTN4HMIQJS","created_at":"2026-05-18T12:26:39Z"},{"alias_kind":"pith_short_8","alias_value":"PCSQQIOT","created_at":"2026-05-18T12:26:39Z"}],"graph_snapshots":[{"event_id":"sha256:fb75446d3334f48cc718b53c4762ca5d1bdb6bcd27e09a37a38b9cbe08c08360","target":"graph","created_at":"2026-05-18T03:19:11Z","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":"In this letter we study the effects of a noncommutative in the phase space of an empty (4+1) Kaluza-Klein universe with cosmological constant. We analyze the effects of the noncommutative deformations on the cosmological constant. Finally we comment on the possibility that the origin of the cosmological constant in this model, is related to the noncommutativity between the 4 dimensional scale factor and the compact extra dimension.","authors_text":"E. Mena, M. Sabido, S. P\\'erez-Pay\\'an","cross_cats":["gr-qc"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-11-26T05:27:53Z","title":"On Deformed Phase Space and $\\Lambda$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1111.6137","kind":"arxiv","version":2},"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":"sha256:686cdc93e424d6886921341d04f6ba3c47aa5c8a82e7778123d78d1ed245cf5e","target":"record","created_at":"2026-05-18T03:19:11Z","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":"56561e1d0a19ee2fb5899849d9532959e88a0995a1dcd32c27292b87313c1aea","cross_cats_sorted":["gr-qc"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2011-11-26T05:27:53Z","title_canon_sha256":"54b534ed1b67f2944480ebd8bba28115bcf7e26ee90490915b9c61eb8d85b471"},"schema_version":"1.0","source":{"id":"1111.6137","kind":"arxiv","version":2}},"canonical_sha256":"78a50821d36f0ec44132a47dc02643ed5188efbddbb6a78d91f7c1dc413e6710","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"78a50821d36f0ec44132a47dc02643ed5188efbddbb6a78d91f7c1dc413e6710","first_computed_at":"2026-05-18T03:19:11.810127Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T03:19:11.810127Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EefxgkpOTyMfxt/t9I+QabTrVEvjuD6t1Xa33fy/nALxo7+YMUfRtu8/HhVVpe5hQJf7EwPn0j152TXivcB6Bg==","signature_status":"signed_v1","signed_at":"2026-05-18T03:19:11.810554Z","signed_message":"canonical_sha256_bytes"},"source_id":"1111.6137","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:686cdc93e424d6886921341d04f6ba3c47aa5c8a82e7778123d78d1ed245cf5e","sha256:fb75446d3334f48cc718b53c4762ca5d1bdb6bcd27e09a37a38b9cbe08c08360"],"state_sha256":"5782eff5fe5b69f720ab3a00d91107bbc0de16a936105a2846d13004795b2ea0"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Xe02Jvyv3h8m7yF1lDh0cgDLm6/veXQ8wXho7hl8QFCdMY1ggKP9RziJTJ7mOIahFI6eoJ5fj9isG3jBQKryBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T02:32:03.285822Z","bundle_sha256":"f636943c268c7e2fc7f72c717f214bd505999c2b1513adc4059e7f149b9a338d"}}