{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:KOQGTT5Q4CX46IPQJYM4LU2SET","short_pith_number":"pith:KOQGTT5Q","canonical_record":{"source":{"id":"1207.6852","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-30T07:10:42Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"8f7697e1952e4ff3164823a43c79260a1a65927c9729a371b6dddc4cfa01edfa","abstract_canon_sha256":"a103f8e53a05f5f2ca4d7bcf8dff2b3a483654f20f8904b40d816baa74aa6c72"},"schema_version":"1.0"},"canonical_sha256":"53a069cfb0e0afcf21f04e19c5d35224c77a392853ba0e22582ef75bf4ea9c95","source":{"kind":"arxiv","id":"1207.6852","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6852","created_at":"2026-05-18T00:38:44Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6852v1","created_at":"2026-05-18T00:38:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6852","created_at":"2026-05-18T00:38:44Z"},{"alias_kind":"pith_short_12","alias_value":"KOQGTT5Q4CX4","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"KOQGTT5Q4CX46IPQ","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"KOQGTT5Q","created_at":"2026-05-18T12:27:11Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:KOQGTT5Q4CX46IPQJYM4LU2SET","target":"record","payload":{"canonical_record":{"source":{"id":"1207.6852","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-30T07:10:42Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"8f7697e1952e4ff3164823a43c79260a1a65927c9729a371b6dddc4cfa01edfa","abstract_canon_sha256":"a103f8e53a05f5f2ca4d7bcf8dff2b3a483654f20f8904b40d816baa74aa6c72"},"schema_version":"1.0"},"canonical_sha256":"53a069cfb0e0afcf21f04e19c5d35224c77a392853ba0e22582ef75bf4ea9c95","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:38:44.414184Z","signature_b64":"fkHFeFJkQFWe08RQ1TOfr+BqYC4u+mCN0PhgeB9e5dK1FJlln5v77c7AcNQKvjRxxmO4C4/nENEEWgTFNfvnAQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"53a069cfb0e0afcf21f04e19c5d35224c77a392853ba0e22582ef75bf4ea9c95","last_reissued_at":"2026-05-18T00:38:44.413538Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:38:44.413538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1207.6852","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":"2026-05-18T00:38:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"+cLk+smwDAuVNXqmFjoA5pRqeBN2Dsja3Hq5V1eY92j3INH7PUDO1/nBpeQs90CqKQbsyeyc4fJ80jQtq9NwDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:55:36.199995Z"},"content_sha256":"94d85ef04d3c993dc39524ba4b13d19ffd369791e1f1dc3775342dbd0d82c34d","schema_version":"1.0","event_id":"sha256:94d85ef04d3c993dc39524ba4b13d19ffd369791e1f1dc3775342dbd0d82c34d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:KOQGTT5Q4CX46IPQJYM4LU2SET","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Interacting universes and the cosmological constant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"A. Alonso-Serrano, C. Bastos, O. Bertolami, S. Robles-Perez","submitted_at":"2012-07-30T07:10:42Z","abstract_excerpt":"We study some collective phenomena that may happen in a multiverse scenario. First, it is posed an interaction scheme between universes whose evolution is dominated by a cosmological constant. As a result of the interaction, the value of the cosmological constant of one of the universes becomes very close to zero at the expense of an increasing value of the cosmological constant of the partner universe. Second, we found normal modes for a 'chain' of interacting universes. The energy spectrum of the multiverse, being this taken as a collective system, splits into a large number of levels, some "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6852","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":"2026-05-18T00:38:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V07yG8e5UW2ZMamywzbG9PByJkjkMd/QRMWT9CTh0eXIBGs/J8tOzci4g9gVc9WOGQwzogN9Qw8G++2w1zhMBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-31T00:55:36.200680Z"},"content_sha256":"5c332572d96abe35e67fb90ffc5fa6c45247a3bc0c48c6586f89e7ecd9efc005","schema_version":"1.0","event_id":"sha256:5c332572d96abe35e67fb90ffc5fa6c45247a3bc0c48c6586f89e7ecd9efc005"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KOQGTT5Q4CX46IPQJYM4LU2SET/bundle.json","state_url":"https://pith.science/pith/KOQGTT5Q4CX46IPQJYM4LU2SET/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KOQGTT5Q4CX46IPQJYM4LU2SET/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":"2026-05-31T00:55:36Z","links":{"resolver":"https://pith.science/pith/KOQGTT5Q4CX46IPQJYM4LU2SET","bundle":"https://pith.science/pith/KOQGTT5Q4CX46IPQJYM4LU2SET/bundle.json","state":"https://pith.science/pith/KOQGTT5Q4CX46IPQJYM4LU2SET/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KOQGTT5Q4CX46IPQJYM4LU2SET/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:KOQGTT5Q4CX46IPQJYM4LU2SET","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":"a103f8e53a05f5f2ca4d7bcf8dff2b3a483654f20f8904b40d816baa74aa6c72","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-30T07:10:42Z","title_canon_sha256":"8f7697e1952e4ff3164823a43c79260a1a65927c9729a371b6dddc4cfa01edfa"},"schema_version":"1.0","source":{"id":"1207.6852","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1207.6852","created_at":"2026-05-18T00:38:44Z"},{"alias_kind":"arxiv_version","alias_value":"1207.6852v1","created_at":"2026-05-18T00:38:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1207.6852","created_at":"2026-05-18T00:38:44Z"},{"alias_kind":"pith_short_12","alias_value":"KOQGTT5Q4CX4","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_16","alias_value":"KOQGTT5Q4CX46IPQ","created_at":"2026-05-18T12:27:11Z"},{"alias_kind":"pith_short_8","alias_value":"KOQGTT5Q","created_at":"2026-05-18T12:27:11Z"}],"graph_snapshots":[{"event_id":"sha256:5c332572d96abe35e67fb90ffc5fa6c45247a3bc0c48c6586f89e7ecd9efc005","target":"graph","created_at":"2026-05-18T00:38:44Z","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 study some collective phenomena that may happen in a multiverse scenario. First, it is posed an interaction scheme between universes whose evolution is dominated by a cosmological constant. As a result of the interaction, the value of the cosmological constant of one of the universes becomes very close to zero at the expense of an increasing value of the cosmological constant of the partner universe. Second, we found normal modes for a 'chain' of interacting universes. The energy spectrum of the multiverse, being this taken as a collective system, splits into a large number of levels, some ","authors_text":"A. Alonso-Serrano, C. Bastos, O. Bertolami, S. Robles-Perez","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-30T07:10:42Z","title":"Interacting universes and the cosmological constant"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1207.6852","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":"sha256:94d85ef04d3c993dc39524ba4b13d19ffd369791e1f1dc3775342dbd0d82c34d","target":"record","created_at":"2026-05-18T00:38:44Z","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":"a103f8e53a05f5f2ca4d7bcf8dff2b3a483654f20f8904b40d816baa74aa6c72","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2012-07-30T07:10:42Z","title_canon_sha256":"8f7697e1952e4ff3164823a43c79260a1a65927c9729a371b6dddc4cfa01edfa"},"schema_version":"1.0","source":{"id":"1207.6852","kind":"arxiv","version":1}},"canonical_sha256":"53a069cfb0e0afcf21f04e19c5d35224c77a392853ba0e22582ef75bf4ea9c95","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"53a069cfb0e0afcf21f04e19c5d35224c77a392853ba0e22582ef75bf4ea9c95","first_computed_at":"2026-05-18T00:38:44.413538Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:38:44.413538Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fkHFeFJkQFWe08RQ1TOfr+BqYC4u+mCN0PhgeB9e5dK1FJlln5v77c7AcNQKvjRxxmO4C4/nENEEWgTFNfvnAQ==","signature_status":"signed_v1","signed_at":"2026-05-18T00:38:44.414184Z","signed_message":"canonical_sha256_bytes"},"source_id":"1207.6852","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:94d85ef04d3c993dc39524ba4b13d19ffd369791e1f1dc3775342dbd0d82c34d","sha256:5c332572d96abe35e67fb90ffc5fa6c45247a3bc0c48c6586f89e7ecd9efc005"],"state_sha256":"71a1835c5e8ef225f8870c2ea302279da3bcd40421effe2883ac7ca8f9b9cd85"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"V7UoQYD1DEughsV1JLAjG5JWMHsGvxHOcB3oQgVnTiREDdL1wCQ2EZoGjfV5TwotRorLTW8B7c88fart0C2gDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-31T00:55:36.204195Z","bundle_sha256":"7cec0338913ce78c672c9b16dcfa69bb7b9993e2916a9cc0850bc477e46a44de"}}