{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2019:F6P3YSYXSIVP3H6PP42ABJ7ZSD","short_pith_number":"pith:F6P3YSYX","canonical_record":{"source":{"id":"1903.08913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-03-21T10:32:44Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"c6effa5130988129db73da5eeab32230611f41a7a3c38b6c44167bdc76bcb896","abstract_canon_sha256":"441d4019bbc539011913aa99322e24c025be8da42db3b24b0dc6b14e04dd0a9f"},"schema_version":"1.0"},"canonical_sha256":"2f9fbc4b17922afd9fcf7f3400a7f990f06cfe9e884766a4f698bb8ee0fd858f","source":{"kind":"arxiv","id":"1903.08913","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.08913","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"arxiv_version","alias_value":"1903.08913v1","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.08913","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"pith_short_12","alias_value":"F6P3YSYXSIVP","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"F6P3YSYXSIVP3H6P","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"F6P3YSYX","created_at":"2026-05-18T12:33:15Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2019:F6P3YSYXSIVP3H6PP42ABJ7ZSD","target":"record","payload":{"canonical_record":{"source":{"id":"1903.08913","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-03-21T10:32:44Z","cross_cats_sorted":["gr-qc","hep-ph"],"title_canon_sha256":"c6effa5130988129db73da5eeab32230611f41a7a3c38b6c44167bdc76bcb896","abstract_canon_sha256":"441d4019bbc539011913aa99322e24c025be8da42db3b24b0dc6b14e04dd0a9f"},"schema_version":"1.0"},"canonical_sha256":"2f9fbc4b17922afd9fcf7f3400a7f990f06cfe9e884766a4f698bb8ee0fd858f","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-17T23:49:49.744403Z","signature_b64":"Y6arPcvL4njljrzbwbyeULfLoi2HR+DjKZTCJkV4ODwqy0KiOwGfCNqScM2WXoPQZvzlFQ9fJTRzmyT9EYA9Ag==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"2f9fbc4b17922afd9fcf7f3400a7f990f06cfe9e884766a4f698bb8ee0fd858f","last_reissued_at":"2026-05-17T23:49:49.743909Z","signature_status":"signed_v1","first_computed_at":"2026-05-17T23:49:49.743909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1903.08913","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":"2026-05-17T23:49:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"k3bB8uuicHeu5I3PHnyRHQLkq2TbvH738x8t9UkzvuQzMEfcPAfH2tfZhkmTIQhWIElQidub+qqhMQHi4th4Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:42:10.941558Z"},"content_sha256":"040d6f54f10fad5355ae135daca8be5e29cf8b5d1732931d3ab0fce97b53b5c4","schema_version":"1.0","event_id":"sha256:040d6f54f10fad5355ae135daca8be5e29cf8b5d1732931d3ab0fce97b53b5c4"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2019:F6P3YSYXSIVP3H6PP42ABJ7ZSD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Searching for the Evidence of Dynamical Dark Energy","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc","hep-ph"],"primary_cat":"astro-ph.CO","authors_text":"Deng Wang, Wei Zhang, Xin-he Meng","submitted_at":"2019-03-21T10:32:44Z","abstract_excerpt":"In the statistical framework of model-independent Gaussian processes (GP), we search for the evidence of dynamical dark energy (DDE) using the \"Joint Light-curve Analysis\" (JLA) Type Ia supernovae (SNe Ia) sample, the 30 latest cosmic chronometer data points (H(z)), Planck's shift parameter from cosmic microwave background (CMB) anisotropies, the 156 latest HII galaxy measurements and 79 calibrated gamma-ray bursts (GRBs). We find that the joint constraint from JLA + H(z) + CMB + HII + GRB supports the global measurement of $H_0$ by Planck collaboration very much in the low redshift range $z\\i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.08913","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":"2026-05-17T23:49:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"vlventMLalBa2X3QXaEA2a/3hY+5XjYEt65z+SAxj2guGLX2o0SxXwvcdgmoD+A/cxneTCPTCGcB1yzeisMFAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-25T17:42:10.941970Z"},"content_sha256":"47ff9f7db95e79dc8929ed45cdeea51b3077f4909f72a84e51998edeeaab7f23","schema_version":"1.0","event_id":"sha256:47ff9f7db95e79dc8929ed45cdeea51b3077f4909f72a84e51998edeeaab7f23"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/F6P3YSYXSIVP3H6PP42ABJ7ZSD/bundle.json","state_url":"https://pith.science/pith/F6P3YSYXSIVP3H6PP42ABJ7ZSD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/F6P3YSYXSIVP3H6PP42ABJ7ZSD/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":"2026-05-25T17:42:10Z","links":{"resolver":"https://pith.science/pith/F6P3YSYXSIVP3H6PP42ABJ7ZSD","bundle":"https://pith.science/pith/F6P3YSYXSIVP3H6PP42ABJ7ZSD/bundle.json","state":"https://pith.science/pith/F6P3YSYXSIVP3H6PP42ABJ7ZSD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/F6P3YSYXSIVP3H6PP42ABJ7ZSD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2019:F6P3YSYXSIVP3H6PP42ABJ7ZSD","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":"441d4019bbc539011913aa99322e24c025be8da42db3b24b0dc6b14e04dd0a9f","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-03-21T10:32:44Z","title_canon_sha256":"c6effa5130988129db73da5eeab32230611f41a7a3c38b6c44167bdc76bcb896"},"schema_version":"1.0","source":{"id":"1903.08913","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1903.08913","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"arxiv_version","alias_value":"1903.08913v1","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1903.08913","created_at":"2026-05-17T23:49:49Z"},{"alias_kind":"pith_short_12","alias_value":"F6P3YSYXSIVP","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_16","alias_value":"F6P3YSYXSIVP3H6P","created_at":"2026-05-18T12:33:15Z"},{"alias_kind":"pith_short_8","alias_value":"F6P3YSYX","created_at":"2026-05-18T12:33:15Z"}],"graph_snapshots":[{"event_id":"sha256:47ff9f7db95e79dc8929ed45cdeea51b3077f4909f72a84e51998edeeaab7f23","target":"graph","created_at":"2026-05-17T23:49:49Z","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":"In the statistical framework of model-independent Gaussian processes (GP), we search for the evidence of dynamical dark energy (DDE) using the \"Joint Light-curve Analysis\" (JLA) Type Ia supernovae (SNe Ia) sample, the 30 latest cosmic chronometer data points (H(z)), Planck's shift parameter from cosmic microwave background (CMB) anisotropies, the 156 latest HII galaxy measurements and 79 calibrated gamma-ray bursts (GRBs). We find that the joint constraint from JLA + H(z) + CMB + HII + GRB supports the global measurement of $H_0$ by Planck collaboration very much in the low redshift range $z\\i","authors_text":"Deng Wang, Wei Zhang, Xin-he Meng","cross_cats":["gr-qc","hep-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-03-21T10:32:44Z","title":"Searching for the Evidence of Dynamical Dark Energy"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1903.08913","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":"sha256:040d6f54f10fad5355ae135daca8be5e29cf8b5d1732931d3ab0fce97b53b5c4","target":"record","created_at":"2026-05-17T23:49:49Z","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":"441d4019bbc539011913aa99322e24c025be8da42db3b24b0dc6b14e04dd0a9f","cross_cats_sorted":["gr-qc","hep-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2019-03-21T10:32:44Z","title_canon_sha256":"c6effa5130988129db73da5eeab32230611f41a7a3c38b6c44167bdc76bcb896"},"schema_version":"1.0","source":{"id":"1903.08913","kind":"arxiv","version":1}},"canonical_sha256":"2f9fbc4b17922afd9fcf7f3400a7f990f06cfe9e884766a4f698bb8ee0fd858f","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"2f9fbc4b17922afd9fcf7f3400a7f990f06cfe9e884766a4f698bb8ee0fd858f","first_computed_at":"2026-05-17T23:49:49.743909Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-17T23:49:49.743909Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"Y6arPcvL4njljrzbwbyeULfLoi2HR+DjKZTCJkV4ODwqy0KiOwGfCNqScM2WXoPQZvzlFQ9fJTRzmyT9EYA9Ag==","signature_status":"signed_v1","signed_at":"2026-05-17T23:49:49.744403Z","signed_message":"canonical_sha256_bytes"},"source_id":"1903.08913","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:040d6f54f10fad5355ae135daca8be5e29cf8b5d1732931d3ab0fce97b53b5c4","sha256:47ff9f7db95e79dc8929ed45cdeea51b3077f4909f72a84e51998edeeaab7f23"],"state_sha256":"a4db587276cb4c70bc27561125dc6f381f1e141723f8ead96278a15bbabc6869"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ooSKnpLAsVU8FES3mx6htaxJLXwlpPysI0/umouPQat7TYtw3Y4mkKdAQKwUiyXMighXWxiXa54aiC9rW6rlCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-25T17:42:10.946740Z","bundle_sha256":"8fda61f18de070d68be26ed47e030a9e0d80b4d0ff240fba119341d2f14b6094"}}