{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:U2NRF7MMYLAHRQL67IDW53YFWP","short_pith_number":"pith:U2NRF7MM","canonical_record":{"source":{"id":"1806.01190","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-04T16:34:35Z","cross_cats_sorted":[],"title_canon_sha256":"e0e3c6316cdccf32921f04dd851875e59ca27b61aaeca94a4568ce918fc97fb8","abstract_canon_sha256":"7af8c273523f07b04a1a4bd1d617fed0a5c945e126449bf5d6c06917db076c0c"},"schema_version":"1.0"},"canonical_sha256":"a69b12fd8cc2c078c17efa076eef05b3f20a86f01cfb44c19caa403363734914","source":{"kind":"arxiv","id":"1806.01190","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01190","created_at":"2026-05-17T23:47:31Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01190v2","created_at":"2026-05-17T23:47:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01190","created_at":"2026-05-17T23:47:31Z"},{"alias_kind":"pith_short_12","alias_value":"U2NRF7MMYLAH","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U2NRF7MMYLAHRQL6","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U2NRF7MM","created_at":"2026-05-18T12:32:56Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:U2NRF7MMYLAHRQL67IDW53YFWP","target":"record","payload":{"canonical_record":{"source":{"id":"1806.01190","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-04T16:34:35Z","cross_cats_sorted":[],"title_canon_sha256":"e0e3c6316cdccf32921f04dd851875e59ca27b61aaeca94a4568ce918fc97fb8","abstract_canon_sha256":"7af8c273523f07b04a1a4bd1d617fed0a5c945e126449bf5d6c06917db076c0c"},"schema_version":"1.0"},"canonical_sha256":"a69b12fd8cc2c078c17efa076eef05b3f20a86f01cfb44c19caa403363734914","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:47:31.001517Z","signature_b64":"KoEvfIR8GFzh10bP44tdIZIKeLbqp64V/qqnmWW+djLYPOnD1JYyCkKFZtnARrR37XpkgwNQTt2MNHTCBpejBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a69b12fd8cc2c078c17efa076eef05b3f20a86f01cfb44c19caa403363734914","last_reissued_at":"2026-05-17T23:47:31.001005Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:47:31.001005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1806.01190","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":"2026-05-17T23:47:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VpKzddEmg+2ZYRIliT/62cr/IoC7NFdZeh/aYmEBjd/dcdwpldWmrJS0EzfrWfBb8F4P7rkhqrXrsMBBYI67Bw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T13:44:21.245495Z"},"content_sha256":"fc95deff5289a1c371d83ec37c05576d2079c1ebff900d6f7d51bb266306f83a","schema_version":"1.0","event_id":"sha256:fc95deff5289a1c371d83ec37c05576d2079c1ebff900d6f7d51bb266306f83a"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:U2NRF7MMYLAHRQL67IDW53YFWP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Hamilton's approach in cosmological inflation with an exponential potential and its observational constraints","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"gr-qc","authors_text":"J. Socorro, Omar E. N\\'u\\~nez, Rafael Hern\\'andez-Jim\\'enez","submitted_at":"2018-06-04T16:34:35Z","abstract_excerpt":"The Friedmann-Robertson-Walker (FRW) cosmology is analyzed with a general potential $\\rm V(\\phi)$ in the scalar field inflation scenario. The Bohmian approach (a WKB-like formalism) was employed in order to constraint a generic form of potential to the most suited to drive inflation, from here a family of potentials emerges; in particular we select an exponential potential as the first non trivial case and remains the object of interest of this work. The solution to the Wheeler-DeWitt (WDW) equation is also obtained for the selected potential in this scheme. Using Hamilton's approach and equat"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01190","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":"2026-05-17T23:47:31Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"uWELbqM4c1tV4dp/MsZC9CXrVG1pxwQ40D/jlcSwPNk4YIVWoVO8QK61VRHtn3Ex+27Yh36/I17uGSaQ1znhCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-30T13:44:21.245847Z"},"content_sha256":"a633c44d44f6e486eb80725d4201ddaf9e3128e43cef764e0154d0fbaeea8bcd","schema_version":"1.0","event_id":"sha256:a633c44d44f6e486eb80725d4201ddaf9e3128e43cef764e0154d0fbaeea8bcd"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/U2NRF7MMYLAHRQL67IDW53YFWP/bundle.json","state_url":"https://pith.science/pith/U2NRF7MMYLAHRQL67IDW53YFWP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/U2NRF7MMYLAHRQL67IDW53YFWP/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":"2026-06-30T13:44:21Z","links":{"resolver":"https://pith.science/pith/U2NRF7MMYLAHRQL67IDW53YFWP","bundle":"https://pith.science/pith/U2NRF7MMYLAHRQL67IDW53YFWP/bundle.json","state":"https://pith.science/pith/U2NRF7MMYLAHRQL67IDW53YFWP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/U2NRF7MMYLAHRQL67IDW53YFWP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:U2NRF7MMYLAHRQL67IDW53YFWP","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":"7af8c273523f07b04a1a4bd1d617fed0a5c945e126449bf5d6c06917db076c0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-04T16:34:35Z","title_canon_sha256":"e0e3c6316cdccf32921f04dd851875e59ca27b61aaeca94a4568ce918fc97fb8"},"schema_version":"1.0","source":{"id":"1806.01190","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1806.01190","created_at":"2026-05-17T23:47:31Z"},{"alias_kind":"arxiv_version","alias_value":"1806.01190v2","created_at":"2026-05-17T23:47:31Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1806.01190","created_at":"2026-05-17T23:47:31Z"},{"alias_kind":"pith_short_12","alias_value":"U2NRF7MMYLAH","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_16","alias_value":"U2NRF7MMYLAHRQL6","created_at":"2026-05-18T12:32:56Z"},{"alias_kind":"pith_short_8","alias_value":"U2NRF7MM","created_at":"2026-05-18T12:32:56Z"}],"graph_snapshots":[{"event_id":"sha256:a633c44d44f6e486eb80725d4201ddaf9e3128e43cef764e0154d0fbaeea8bcd","target":"graph","created_at":"2026-05-17T23:47:31Z","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":"The Friedmann-Robertson-Walker (FRW) cosmology is analyzed with a general potential $\\rm V(\\phi)$ in the scalar field inflation scenario. The Bohmian approach (a WKB-like formalism) was employed in order to constraint a generic form of potential to the most suited to drive inflation, from here a family of potentials emerges; in particular we select an exponential potential as the first non trivial case and remains the object of interest of this work. The solution to the Wheeler-DeWitt (WDW) equation is also obtained for the selected potential in this scheme. Using Hamilton's approach and equat","authors_text":"J. Socorro, Omar E. N\\'u\\~nez, Rafael Hern\\'andez-Jim\\'enez","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-04T16:34:35Z","title":"Hamilton's approach in cosmological inflation with an exponential potential and its observational constraints"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1806.01190","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:fc95deff5289a1c371d83ec37c05576d2079c1ebff900d6f7d51bb266306f83a","target":"record","created_at":"2026-05-17T23:47:31Z","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":"7af8c273523f07b04a1a4bd1d617fed0a5c945e126449bf5d6c06917db076c0c","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2018-06-04T16:34:35Z","title_canon_sha256":"e0e3c6316cdccf32921f04dd851875e59ca27b61aaeca94a4568ce918fc97fb8"},"schema_version":"1.0","source":{"id":"1806.01190","kind":"arxiv","version":2}},"canonical_sha256":"a69b12fd8cc2c078c17efa076eef05b3f20a86f01cfb44c19caa403363734914","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"a69b12fd8cc2c078c17efa076eef05b3f20a86f01cfb44c19caa403363734914","first_computed_at":"2026-05-17T23:47:31.001005Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:47:31.001005Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KoEvfIR8GFzh10bP44tdIZIKeLbqp64V/qqnmWW+djLYPOnD1JYyCkKFZtnARrR37XpkgwNQTt2MNHTCBpejBA==","signature_status":"signed_v1","signed_at":"2026-05-17T23:47:31.001517Z","signed_message":"canonical_sha256_bytes"},"source_id":"1806.01190","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:fc95deff5289a1c371d83ec37c05576d2079c1ebff900d6f7d51bb266306f83a","sha256:a633c44d44f6e486eb80725d4201ddaf9e3128e43cef764e0154d0fbaeea8bcd"],"state_sha256":"152bb2563c1e65d9af3f95c105844d9d6cbfc48a0681f68cd4fa8c0443fc5244"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"5/zdJlQgjwoO+VGUFvUhYtRNXlJUMqPTbmzUB+xE9v9/EozzldjA2FI2f332qzN7CqgWfI25G5+LubjrVhHiAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-30T13:44:21.247595Z","bundle_sha256":"ff787e16e04af5d451c8ceb048d7fbec656d9bdbe4f8e7d653dd2bb869e1b627"}}