{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:4SNXXEJ27TV2MWAF6ZZLZMTAUU","short_pith_number":"pith:4SNXXEJ2","canonical_record":{"source":{"id":"1705.07518","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-21T22:40:47Z","cross_cats_sorted":[],"title_canon_sha256":"aca7ac760c834a48ce26f6acc6dd9a89016a2acae0ea68d971a93f536c311ae8","abstract_canon_sha256":"5d2e202364dba587766f4400bc75c1b0e73ccc14beb87f3cfd58e578899070a2"},"schema_version":"1.0"},"canonical_sha256":"e49b7b913afceba65805f672bcb260a5149e90fb60bdea4e3ed05f055a01bdbf","source":{"kind":"arxiv","id":"1705.07518","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.07518","created_at":"2026-07-05T01:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"1705.07518v3","created_at":"2026-07-05T01:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.07518","created_at":"2026-07-05T01:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"4SNXXEJ27TV2","created_at":"2026-07-05T01:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"4SNXXEJ27TV2MWAF","created_at":"2026-07-05T01:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"4SNXXEJ2","created_at":"2026-07-05T01:01:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:4SNXXEJ27TV2MWAF6ZZLZMTAUU","target":"record","payload":{"canonical_record":{"source":{"id":"1705.07518","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-21T22:40:47Z","cross_cats_sorted":[],"title_canon_sha256":"aca7ac760c834a48ce26f6acc6dd9a89016a2acae0ea68d971a93f536c311ae8","abstract_canon_sha256":"5d2e202364dba587766f4400bc75c1b0e73ccc14beb87f3cfd58e578899070a2"},"schema_version":"1.0"},"canonical_sha256":"e49b7b913afceba65805f672bcb260a5149e90fb60bdea4e3ed05f055a01bdbf","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T01:01:17.860631Z","signature_b64":"0oPPv++HRlHJ8cbapPcACl+aEkIK6KMehkReLBH63KCbxWfylecA8rUomcEJ354ToNBWNzy8q7bHKXgp5HyTDg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e49b7b913afceba65805f672bcb260a5149e90fb60bdea4e3ed05f055a01bdbf","last_reissued_at":"2026-07-05T01:01:17.860258Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T01:01:17.860258Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1705.07518","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-07-05T01:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"A1zW5DmZZT82seEAkRxYsDuyU9fg8YreCN1Db+9ekZwE8saup6GWi+0u37KigREvgyHbopoQ1ucdHUjLPyVoAA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T11:04:26.632953Z"},"content_sha256":"59e817dac4b6409d528440619af0ca0a50b73e2f768f141f860bbd6410e0201d","schema_version":"1.0","event_id":"sha256:59e817dac4b6409d528440619af0ca0a50b73e2f768f141f860bbd6410e0201d"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:4SNXXEJ27TV2MWAF6ZZLZMTAUU","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Using a non-minimal coupling between matter and curvature to sequester the Cosmological Constant","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"Jorge P\\'aramos, Orfeu Bertolami","submitted_at":"2017-05-21T22:40:47Z","abstract_excerpt":"We present a novel mechanism for generating a Cosmological Constant and suitably sequestering the vacuum contribution to it, so that the eponymous Cosmological Constant problem is avoided.\n  We do so by resorting to a model endowed with a non-minimal coupling between curvature and matter in an appropriately defined relaxed regime, and show that this shares features with both Unimodular gravity as well as a recent proposal to sequester the vacuum contribution through the use of an external term to the action functional."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.07518","kind":"arxiv","version":3},"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/1705.07518/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":"2026-07-05T01:01:17Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"myGSsFvJ0gWPG4RY6XaPgrSq1zJgba1fTCsQoVpHiRLG4lUZJSeNpo/Limkv2BhKOBwD6D73ltcdI3lN8eH/Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-05T11:04:26.633559Z"},"content_sha256":"fe2766c9aa8961bbe336e2f1aa160e99db50049101e9eb7d0557e05fbfbb4bec","schema_version":"1.0","event_id":"sha256:fe2766c9aa8961bbe336e2f1aa160e99db50049101e9eb7d0557e05fbfbb4bec"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4SNXXEJ27TV2MWAF6ZZLZMTAUU/bundle.json","state_url":"https://pith.science/pith/4SNXXEJ27TV2MWAF6ZZLZMTAUU/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4SNXXEJ27TV2MWAF6ZZLZMTAUU/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":"2026-07-05T11:04:26Z","links":{"resolver":"https://pith.science/pith/4SNXXEJ27TV2MWAF6ZZLZMTAUU","bundle":"https://pith.science/pith/4SNXXEJ27TV2MWAF6ZZLZMTAUU/bundle.json","state":"https://pith.science/pith/4SNXXEJ27TV2MWAF6ZZLZMTAUU/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4SNXXEJ27TV2MWAF6ZZLZMTAUU/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:4SNXXEJ27TV2MWAF6ZZLZMTAUU","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":"5d2e202364dba587766f4400bc75c1b0e73ccc14beb87f3cfd58e578899070a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-21T22:40:47Z","title_canon_sha256":"aca7ac760c834a48ce26f6acc6dd9a89016a2acae0ea68d971a93f536c311ae8"},"schema_version":"1.0","source":{"id":"1705.07518","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1705.07518","created_at":"2026-07-05T01:01:17Z"},{"alias_kind":"arxiv_version","alias_value":"1705.07518v3","created_at":"2026-07-05T01:01:17Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1705.07518","created_at":"2026-07-05T01:01:17Z"},{"alias_kind":"pith_short_12","alias_value":"4SNXXEJ27TV2","created_at":"2026-07-05T01:01:17Z"},{"alias_kind":"pith_short_16","alias_value":"4SNXXEJ27TV2MWAF","created_at":"2026-07-05T01:01:17Z"},{"alias_kind":"pith_short_8","alias_value":"4SNXXEJ2","created_at":"2026-07-05T01:01:17Z"}],"graph_snapshots":[{"event_id":"sha256:fe2766c9aa8961bbe336e2f1aa160e99db50049101e9eb7d0557e05fbfbb4bec","target":"graph","created_at":"2026-07-05T01:01:17Z","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/1705.07518/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We present a novel mechanism for generating a Cosmological Constant and suitably sequestering the vacuum contribution to it, so that the eponymous Cosmological Constant problem is avoided.\n  We do so by resorting to a model endowed with a non-minimal coupling between curvature and matter in an appropriately defined relaxed regime, and show that this shares features with both Unimodular gravity as well as a recent proposal to sequester the vacuum contribution through the use of an external term to the action functional.","authors_text":"Jorge P\\'aramos, Orfeu Bertolami","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-21T22:40:47Z","title":"Using a non-minimal coupling between matter and curvature to sequester the Cosmological Constant"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1705.07518","kind":"arxiv","version":3},"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":"sha256:59e817dac4b6409d528440619af0ca0a50b73e2f768f141f860bbd6410e0201d","target":"record","created_at":"2026-07-05T01:01:17Z","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":"5d2e202364dba587766f4400bc75c1b0e73ccc14beb87f3cfd58e578899070a2","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2017-05-21T22:40:47Z","title_canon_sha256":"aca7ac760c834a48ce26f6acc6dd9a89016a2acae0ea68d971a93f536c311ae8"},"schema_version":"1.0","source":{"id":"1705.07518","kind":"arxiv","version":3}},"canonical_sha256":"e49b7b913afceba65805f672bcb260a5149e90fb60bdea4e3ed05f055a01bdbf","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e49b7b913afceba65805f672bcb260a5149e90fb60bdea4e3ed05f055a01bdbf","first_computed_at":"2026-07-05T01:01:17.860258Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T01:01:17.860258Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"0oPPv++HRlHJ8cbapPcACl+aEkIK6KMehkReLBH63KCbxWfylecA8rUomcEJ354ToNBWNzy8q7bHKXgp5HyTDg==","signature_status":"signed_v1","signed_at":"2026-07-05T01:01:17.860631Z","signed_message":"canonical_sha256_bytes"},"source_id":"1705.07518","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:59e817dac4b6409d528440619af0ca0a50b73e2f768f141f860bbd6410e0201d","sha256:fe2766c9aa8961bbe336e2f1aa160e99db50049101e9eb7d0557e05fbfbb4bec"],"state_sha256":"6e395287f68437b58e32c9c450ba0a894f35a5ac87705ec493150661a4a1642e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pfc3YDAANiqw0wEDCQH06Gsn7DEvT4QZTFrNahS+47vtDWyYJzXvauHE0ebLK41ClIiJio9rUpG2J+OiLselDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-05T11:04:26.635961Z","bundle_sha256":"1ff19426ccf08b6040d6754481029d690b7f29d6b022a9441708852a03e6df91"}}