{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:YUYONSADIXKKUDPLUDH2PYVNJV","short_pith_number":"pith:YUYONSAD","canonical_record":{"source":{"id":"1010.1258","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-10-06T20:06:04Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"ba848fa90a1eeac8ee4728f4f483c49b8a689fcf35573de08df09766d3f39945","abstract_canon_sha256":"3a44b4eaa4d666beaae31c464ba58f79746ef3ae8f5ec8771d2dc4b546dfe99a"},"schema_version":"1.0"},"canonical_sha256":"c530e6c80345d4aa0deba0cfa7e2ad4d6a0c47c91ccfd3d5303c21329990a3cb","source":{"kind":"arxiv","id":"1010.1258","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1258","created_at":"2026-05-18T04:31:12Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1258v1","created_at":"2026-05-18T04:31:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1258","created_at":"2026-05-18T04:31:12Z"},{"alias_kind":"pith_short_12","alias_value":"YUYONSADIXKK","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YUYONSADIXKKUDPL","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YUYONSAD","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:YUYONSADIXKKUDPLUDH2PYVNJV","target":"record","payload":{"canonical_record":{"source":{"id":"1010.1258","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-10-06T20:06:04Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"ba848fa90a1eeac8ee4728f4f483c49b8a689fcf35573de08df09766d3f39945","abstract_canon_sha256":"3a44b4eaa4d666beaae31c464ba58f79746ef3ae8f5ec8771d2dc4b546dfe99a"},"schema_version":"1.0"},"canonical_sha256":"c530e6c80345d4aa0deba0cfa7e2ad4d6a0c47c91ccfd3d5303c21329990a3cb","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:31:12.948160Z","signature_b64":"NH6LqZTnr9A3xDGdYxJWPC+UYio/Olg342QVsUwuql2rvzzREoIzkRzGHWamsu01PZyc+x+Uhct/2zudMT4eCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c530e6c80345d4aa0deba0cfa7e2ad4d6a0c47c91ccfd3d5303c21329990a3cb","last_reissued_at":"2026-05-18T04:31:12.947745Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:31:12.947745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1010.1258","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":"2026-05-18T04:31:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ffow1RjzxhZckFIp70W/9odQZjupPaDqTxSrcriB8JoAE335YMGIqHPXR74C/MHHTB9TfUd5LYtFuxmdUSvqDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:10:05.801948Z"},"content_sha256":"43142b792bcd86d69514063cac30a6845eb848ef820a21b998678eb8d64355e3","schema_version":"1.0","event_id":"sha256:43142b792bcd86d69514063cac30a6845eb848ef820a21b998678eb8d64355e3"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:YUYONSADIXKKUDPLUDH2PYVNJV","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Big Bounce in Dipole Cosmology","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Antonino Marciano, Marco Valerio Battisti","submitted_at":"2010-10-06T20:06:04Z","abstract_excerpt":"We derive the cosmological Big Bounce scenario from the dipole approximation of Loop Quantum Gravity. We show that a non-singular evolution takes place for any matter field and that, by considering a massless scalar field as a relational clock for the dynamics, the semi-classical proprieties of an initial state are preserved on the other side of the bounce. This model thus enhances the relation between Loop Quantum Cosmology and the full theory."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1258","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":"2026-05-18T04:31:12Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"r3nWsdLi9jKD4tQOqeiRbv8UrS03LxsNHfhp5xO//Ivv0T0vlr8TFvnNg9m6wg2UMTVKdHEs/O/wa1kP7TV7Cw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-04T20:10:05.802336Z"},"content_sha256":"6612c3bd832c972473e2779ca99ad17426485a2fae9c47639be86e3e8ed88a5e","schema_version":"1.0","event_id":"sha256:6612c3bd832c972473e2779ca99ad17426485a2fae9c47639be86e3e8ed88a5e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/YUYONSADIXKKUDPLUDH2PYVNJV/bundle.json","state_url":"https://pith.science/pith/YUYONSADIXKKUDPLUDH2PYVNJV/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/YUYONSADIXKKUDPLUDH2PYVNJV/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":"2026-06-04T20:10:05Z","links":{"resolver":"https://pith.science/pith/YUYONSADIXKKUDPLUDH2PYVNJV","bundle":"https://pith.science/pith/YUYONSADIXKKUDPLUDH2PYVNJV/bundle.json","state":"https://pith.science/pith/YUYONSADIXKKUDPLUDH2PYVNJV/state.json","well_known_bundle":"https://pith.science/.well-known/pith/YUYONSADIXKKUDPLUDH2PYVNJV/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:YUYONSADIXKKUDPLUDH2PYVNJV","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":"3a44b4eaa4d666beaae31c464ba58f79746ef3ae8f5ec8771d2dc4b546dfe99a","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-10-06T20:06:04Z","title_canon_sha256":"ba848fa90a1eeac8ee4728f4f483c49b8a689fcf35573de08df09766d3f39945"},"schema_version":"1.0","source":{"id":"1010.1258","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1010.1258","created_at":"2026-05-18T04:31:12Z"},{"alias_kind":"arxiv_version","alias_value":"1010.1258v1","created_at":"2026-05-18T04:31:12Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1010.1258","created_at":"2026-05-18T04:31:12Z"},{"alias_kind":"pith_short_12","alias_value":"YUYONSADIXKK","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"YUYONSADIXKKUDPL","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"YUYONSAD","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:6612c3bd832c972473e2779ca99ad17426485a2fae9c47639be86e3e8ed88a5e","target":"graph","created_at":"2026-05-18T04:31:12Z","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"},"paper":{"abstract_excerpt":"We derive the cosmological Big Bounce scenario from the dipole approximation of Loop Quantum Gravity. We show that a non-singular evolution takes place for any matter field and that, by considering a massless scalar field as a relational clock for the dynamics, the semi-classical proprieties of an initial state are preserved on the other side of the bounce. This model thus enhances the relation between Loop Quantum Cosmology and the full theory.","authors_text":"Antonino Marciano, Marco Valerio Battisti","cross_cats":["hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-10-06T20:06:04Z","title":"Big Bounce in Dipole Cosmology"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1010.1258","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":"sha256:43142b792bcd86d69514063cac30a6845eb848ef820a21b998678eb8d64355e3","target":"record","created_at":"2026-05-18T04:31:12Z","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":"3a44b4eaa4d666beaae31c464ba58f79746ef3ae8f5ec8771d2dc4b546dfe99a","cross_cats_sorted":["hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-10-06T20:06:04Z","title_canon_sha256":"ba848fa90a1eeac8ee4728f4f483c49b8a689fcf35573de08df09766d3f39945"},"schema_version":"1.0","source":{"id":"1010.1258","kind":"arxiv","version":1}},"canonical_sha256":"c530e6c80345d4aa0deba0cfa7e2ad4d6a0c47c91ccfd3d5303c21329990a3cb","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"c530e6c80345d4aa0deba0cfa7e2ad4d6a0c47c91ccfd3d5303c21329990a3cb","first_computed_at":"2026-05-18T04:31:12.947745Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:31:12.947745Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"NH6LqZTnr9A3xDGdYxJWPC+UYio/Olg342QVsUwuql2rvzzREoIzkRzGHWamsu01PZyc+x+Uhct/2zudMT4eCQ==","signature_status":"signed_v1","signed_at":"2026-05-18T04:31:12.948160Z","signed_message":"canonical_sha256_bytes"},"source_id":"1010.1258","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:43142b792bcd86d69514063cac30a6845eb848ef820a21b998678eb8d64355e3","sha256:6612c3bd832c972473e2779ca99ad17426485a2fae9c47639be86e3e8ed88a5e"],"state_sha256":"9c6edf3592e10e822cf9814fb77a29867671d597f0bfa6c5dea4f3bfaf9d676e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"q3iFQEvpoBWMr+i8UgESerMOJ/eTalEZuLnhqJ0YVBDrJttou13D2X0lDnK9n3Sle/sOBuA9DofMvuDl6KnwDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-04T20:10:05.804573Z","bundle_sha256":"9e57930c2b4effa9db364f5d5a510ddbc57ff9b30926bb54a31805dc027f822e"}}