{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:DRIV3PJCN2VPJJKNGOIOZ6G7IQ","short_pith_number":"pith:DRIV3PJC","canonical_record":{"source":{"id":"2503.17659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-22T06:03:34Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"4b2f0e72019e58eccb883179d12e53dac11fe6c14d7c1acd9257621570ea5f2c","abstract_canon_sha256":"a5c459e714009a7e4eb907288199efdce99c5080f26361862998ccf2b6f1b40f"},"schema_version":"1.0"},"canonical_sha256":"1c515dbd226eaaf4a54d3390ecf8df443c8b2f56d75956be6ab1966c32a629e8","source":{"kind":"arxiv","id":"2503.17659","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.17659","created_at":"2026-07-05T10:37:51Z"},{"alias_kind":"arxiv_version","alias_value":"2503.17659v1","created_at":"2026-07-05T10:37:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.17659","created_at":"2026-07-05T10:37:51Z"},{"alias_kind":"pith_short_12","alias_value":"DRIV3PJCN2VP","created_at":"2026-07-05T10:37:51Z"},{"alias_kind":"pith_short_16","alias_value":"DRIV3PJCN2VPJJKN","created_at":"2026-07-05T10:37:51Z"},{"alias_kind":"pith_short_8","alias_value":"DRIV3PJC","created_at":"2026-07-05T10:37:51Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:DRIV3PJCN2VPJJKNGOIOZ6G7IQ","target":"record","payload":{"canonical_record":{"source":{"id":"2503.17659","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-22T06:03:34Z","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"title_canon_sha256":"4b2f0e72019e58eccb883179d12e53dac11fe6c14d7c1acd9257621570ea5f2c","abstract_canon_sha256":"a5c459e714009a7e4eb907288199efdce99c5080f26361862998ccf2b6f1b40f"},"schema_version":"1.0"},"canonical_sha256":"1c515dbd226eaaf4a54d3390ecf8df443c8b2f56d75956be6ab1966c32a629e8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:37:51.617432Z","signature_b64":"ceA7yVscaEUuj6M8ZFwHGWgJWPtYq9NtzrvFqpZyyx6fOwqIaMaFO548EhvBdNsAVlUsNJGZIkSxwwxpWpO/AA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"1c515dbd226eaaf4a54d3390ecf8df443c8b2f56d75956be6ab1966c32a629e8","last_reissued_at":"2026-07-05T10:37:51.616695Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:37:51.616695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2503.17659","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":"2026-07-05T10:37:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"nQQzQcbUbHVl1L4b+tgYL1EZf0VU4g4mZMVQUqucWhu99O/zeJYe5Vktdk3zzV0Irk75zqDB856HCvGIqE8LCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:44:50.585710Z"},"content_sha256":"968507045b301b9089fa07246f47793c8ce6681ef41325ee4d1ce2eb0c195ca2","schema_version":"1.0","event_id":"sha256:968507045b301b9089fa07246f47793c8ce6681ef41325ee4d1ce2eb0c195ca2"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:DRIV3PJCN2VPJJKNGOIOZ6G7IQ","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Why the DESI Results Should Not Be A Surprise","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph","hep-th"],"primary_cat":"astro-ph.CO","authors_text":"Robert Brandenberger (McGill University)","submitted_at":"2025-03-22T06:03:34Z","abstract_excerpt":"The recent DESI results provide increasing evidence that the density of dark energy is time-dependent. I will recall why, from the point of view of fundamental theory,, this result should not be surprising."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.17659","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2503.17659/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":"2026-07-05T10:37:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MWt0yD2WPT7pDH5GiyjKF5mgMETWd1DYrGrQEI0+IAkmHwg55JrXLzZEA4C+zsXt6M36tF7T0oCBaDsSY4SyCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-05T17:44:50.586200Z"},"content_sha256":"8ef2f8ba43b7de90bc64fd1948e98aa79fb5b54e0b2ec7a84e35097877a91118","schema_version":"1.0","event_id":"sha256:8ef2f8ba43b7de90bc64fd1948e98aa79fb5b54e0b2ec7a84e35097877a91118"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/DRIV3PJCN2VPJJKNGOIOZ6G7IQ/bundle.json","state_url":"https://pith.science/pith/DRIV3PJCN2VPJJKNGOIOZ6G7IQ/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/DRIV3PJCN2VPJJKNGOIOZ6G7IQ/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":"2026-08-05T17:44:50Z","links":{"resolver":"https://pith.science/pith/DRIV3PJCN2VPJJKNGOIOZ6G7IQ","bundle":"https://pith.science/pith/DRIV3PJCN2VPJJKNGOIOZ6G7IQ/bundle.json","state":"https://pith.science/pith/DRIV3PJCN2VPJJKNGOIOZ6G7IQ/state.json","well_known_bundle":"https://pith.science/.well-known/pith/DRIV3PJCN2VPJJKNGOIOZ6G7IQ/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:DRIV3PJCN2VPJJKNGOIOZ6G7IQ","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":"a5c459e714009a7e4eb907288199efdce99c5080f26361862998ccf2b6f1b40f","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-22T06:03:34Z","title_canon_sha256":"4b2f0e72019e58eccb883179d12e53dac11fe6c14d7c1acd9257621570ea5f2c"},"schema_version":"1.0","source":{"id":"2503.17659","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2503.17659","created_at":"2026-07-05T10:37:51Z"},{"alias_kind":"arxiv_version","alias_value":"2503.17659v1","created_at":"2026-07-05T10:37:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2503.17659","created_at":"2026-07-05T10:37:51Z"},{"alias_kind":"pith_short_12","alias_value":"DRIV3PJCN2VP","created_at":"2026-07-05T10:37:51Z"},{"alias_kind":"pith_short_16","alias_value":"DRIV3PJCN2VPJJKN","created_at":"2026-07-05T10:37:51Z"},{"alias_kind":"pith_short_8","alias_value":"DRIV3PJC","created_at":"2026-07-05T10:37:51Z"}],"graph_snapshots":[{"event_id":"sha256:8ef2f8ba43b7de90bc64fd1948e98aa79fb5b54e0b2ec7a84e35097877a91118","target":"graph","created_at":"2026-07-05T10:37:51Z","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/2503.17659/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The recent DESI results provide increasing evidence that the density of dark energy is time-dependent. I will recall why, from the point of view of fundamental theory,, this result should not be surprising.","authors_text":"Robert Brandenberger (McGill University)","cross_cats":["gr-qc","hep-ph","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-22T06:03:34Z","title":"Why the DESI Results Should Not Be A Surprise"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2503.17659","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":"sha256:968507045b301b9089fa07246f47793c8ce6681ef41325ee4d1ce2eb0c195ca2","target":"record","created_at":"2026-07-05T10:37:51Z","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":"a5c459e714009a7e4eb907288199efdce99c5080f26361862998ccf2b6f1b40f","cross_cats_sorted":["gr-qc","hep-ph","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2025-03-22T06:03:34Z","title_canon_sha256":"4b2f0e72019e58eccb883179d12e53dac11fe6c14d7c1acd9257621570ea5f2c"},"schema_version":"1.0","source":{"id":"2503.17659","kind":"arxiv","version":1}},"canonical_sha256":"1c515dbd226eaaf4a54d3390ecf8df443c8b2f56d75956be6ab1966c32a629e8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"1c515dbd226eaaf4a54d3390ecf8df443c8b2f56d75956be6ab1966c32a629e8","first_computed_at":"2026-07-05T10:37:51.616695Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:37:51.616695Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ceA7yVscaEUuj6M8ZFwHGWgJWPtYq9NtzrvFqpZyyx6fOwqIaMaFO548EhvBdNsAVlUsNJGZIkSxwwxpWpO/AA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:37:51.617432Z","signed_message":"canonical_sha256_bytes"},"source_id":"2503.17659","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:968507045b301b9089fa07246f47793c8ce6681ef41325ee4d1ce2eb0c195ca2","sha256:8ef2f8ba43b7de90bc64fd1948e98aa79fb5b54e0b2ec7a84e35097877a91118"],"state_sha256":"5d4f1e097b7084e4cd8bc503aae9cbdfe3f76556d62189975d8758a6d5317d76"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"6L8nywJUnH+qFaEyOh5iwVeD8H6mq+YUUGOSuQ9IbLCJ23sSGTch+/F3KAsBtttGhQuAtH9Xw00s9dKX/M+oCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-05T17:44:50.590341Z","bundle_sha256":"e2a280a08a4261d6f70b3800ffc6c8b65d2afc8f4b045205514f4e101bed8f4c"}}