{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:XJGMYTML2BYVL7AE3QAXQ7NKVH","short_pith_number":"pith:XJGMYTML","canonical_record":{"source":{"id":"2508.05552","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-08-07T16:32:59Z","cross_cats_sorted":[],"title_canon_sha256":"874f6c927e374d6d8dd9bd85cc7d91fef59d9384cd8a0a5cfe2fcf1991faee3e","abstract_canon_sha256":"fda914072aeee7517397e5b6b2fadf1a6c0f0420421682f74e34f570aedb5f41"},"schema_version":"1.0"},"canonical_sha256":"ba4ccc4d8bd07155fc04dc01787daaa9f961ac7e12049b14034ba06e9c570289","source":{"kind":"arxiv","id":"2508.05552","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05552","created_at":"2026-07-05T12:03:50Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05552v2","created_at":"2026-07-05T12:03:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05552","created_at":"2026-07-05T12:03:50Z"},{"alias_kind":"pith_short_12","alias_value":"XJGMYTML2BYV","created_at":"2026-07-05T12:03:50Z"},{"alias_kind":"pith_short_16","alias_value":"XJGMYTML2BYVL7AE","created_at":"2026-07-05T12:03:50Z"},{"alias_kind":"pith_short_8","alias_value":"XJGMYTML","created_at":"2026-07-05T12:03:50Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:XJGMYTML2BYVL7AE3QAXQ7NKVH","target":"record","payload":{"canonical_record":{"source":{"id":"2508.05552","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-08-07T16:32:59Z","cross_cats_sorted":[],"title_canon_sha256":"874f6c927e374d6d8dd9bd85cc7d91fef59d9384cd8a0a5cfe2fcf1991faee3e","abstract_canon_sha256":"fda914072aeee7517397e5b6b2fadf1a6c0f0420421682f74e34f570aedb5f41"},"schema_version":"1.0"},"canonical_sha256":"ba4ccc4d8bd07155fc04dc01787daaa9f961ac7e12049b14034ba06e9c570289","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T12:03:50.973509Z","signature_b64":"UnxKhIV4milO/TyTAQgYeSH6HjWJ2aNvmL776uydU8/D0AImRNRifAwgeUozvXa0Cp5FC/yTXkyOW/O+Ax5eDQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ba4ccc4d8bd07155fc04dc01787daaa9f961ac7e12049b14034ba06e9c570289","last_reissued_at":"2026-07-05T12:03:50.972975Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T12:03:50.972975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2508.05552","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":"2026-07-05T12:03:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4vtmIRZ1U5G6ehNeEujcU5NvRRVbQrJmdGufUIbmL6WfcW2kjtYaog0TncmfYFlDVrnRvm/JAnf+A974TDUUBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T13:51:35.288385Z"},"content_sha256":"be7c32ef69eb0cd128a46a17e1bc074304a652662f19e884487c2c65cf424930","schema_version":"1.0","event_id":"sha256:be7c32ef69eb0cd128a46a17e1bc074304a652662f19e884487c2c65cf424930"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:XJGMYTML2BYVL7AE3QAXQ7NKVH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"A Deep VLA Search for a Persistent Radio Counterpart to the One-off FRB 20250316A","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"astro-ph.HE","authors_text":"Ailing Wang, Jia-Pei Feng, Tao An, Yuanqi Liu, Yu-Chen Huang, Zhongli Zhang, Zi-Gao Dai","submitted_at":"2025-08-07T16:32:59Z","abstract_excerpt":"Fast Radio Burst (FRB) 20250316A, detected by CHIME on 2025 March 16 with a fluence of $1.7\\pm0.1~\\mathrm{Jy\\,ms}$ and a dispersion measure of $161.3\\pm0.4~\\mathrm{pc\\,cm^{-3}}$, ranks among the brightest extragalactic FRBs at $\\sim 40$ Mpc. We obtained deep Karl G. Jansky Very Large Array follow-up at 15~GHz on 2025 April 5 and 9 and find no persistent radio source (PRS). Our best image reaches an rms of $2.8~\\mu\\mathrm{Jy\\,beam^{-1}}$, yielding a $3\\sigma$ upper limit of $<8.4~\\mu\\mathrm{Jy}$ at the FRB position, corresponding to $\\nu L_\\nu < 2.4\\times10^{35}~\\mathrm{erg\\,s^{-1}}$. These res"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05552","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2508.05552/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":"2026-07-05T12:03:50Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ymnhcuS8I15M3Xe8w2Iw72A757JzDMFKM3xJVwqVM5XqfWyxccg06WRIgEYLK0g5D7sAmWarqzPZYsSaMfqeBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-08T13:51:35.288915Z"},"content_sha256":"e7fbf85aaf38146198d85793880d8c4a576c03abfbe74b5280e8010523cdb0c6","schema_version":"1.0","event_id":"sha256:e7fbf85aaf38146198d85793880d8c4a576c03abfbe74b5280e8010523cdb0c6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XJGMYTML2BYVL7AE3QAXQ7NKVH/bundle.json","state_url":"https://pith.science/pith/XJGMYTML2BYVL7AE3QAXQ7NKVH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XJGMYTML2BYVL7AE3QAXQ7NKVH/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":"2026-08-08T13:51:35Z","links":{"resolver":"https://pith.science/pith/XJGMYTML2BYVL7AE3QAXQ7NKVH","bundle":"https://pith.science/pith/XJGMYTML2BYVL7AE3QAXQ7NKVH/bundle.json","state":"https://pith.science/pith/XJGMYTML2BYVL7AE3QAXQ7NKVH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XJGMYTML2BYVL7AE3QAXQ7NKVH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:XJGMYTML2BYVL7AE3QAXQ7NKVH","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":"fda914072aeee7517397e5b6b2fadf1a6c0f0420421682f74e34f570aedb5f41","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-08-07T16:32:59Z","title_canon_sha256":"874f6c927e374d6d8dd9bd85cc7d91fef59d9384cd8a0a5cfe2fcf1991faee3e"},"schema_version":"1.0","source":{"id":"2508.05552","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2508.05552","created_at":"2026-07-05T12:03:50Z"},{"alias_kind":"arxiv_version","alias_value":"2508.05552v2","created_at":"2026-07-05T12:03:50Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2508.05552","created_at":"2026-07-05T12:03:50Z"},{"alias_kind":"pith_short_12","alias_value":"XJGMYTML2BYV","created_at":"2026-07-05T12:03:50Z"},{"alias_kind":"pith_short_16","alias_value":"XJGMYTML2BYVL7AE","created_at":"2026-07-05T12:03:50Z"},{"alias_kind":"pith_short_8","alias_value":"XJGMYTML","created_at":"2026-07-05T12:03:50Z"}],"graph_snapshots":[{"event_id":"sha256:e7fbf85aaf38146198d85793880d8c4a576c03abfbe74b5280e8010523cdb0c6","target":"graph","created_at":"2026-07-05T12:03:50Z","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/2508.05552/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Fast Radio Burst (FRB) 20250316A, detected by CHIME on 2025 March 16 with a fluence of $1.7\\pm0.1~\\mathrm{Jy\\,ms}$ and a dispersion measure of $161.3\\pm0.4~\\mathrm{pc\\,cm^{-3}}$, ranks among the brightest extragalactic FRBs at $\\sim 40$ Mpc. We obtained deep Karl G. Jansky Very Large Array follow-up at 15~GHz on 2025 April 5 and 9 and find no persistent radio source (PRS). Our best image reaches an rms of $2.8~\\mu\\mathrm{Jy\\,beam^{-1}}$, yielding a $3\\sigma$ upper limit of $<8.4~\\mu\\mathrm{Jy}$ at the FRB position, corresponding to $\\nu L_\\nu < 2.4\\times10^{35}~\\mathrm{erg\\,s^{-1}}$. These res","authors_text":"Ailing Wang, Jia-Pei Feng, Tao An, Yuanqi Liu, Yu-Chen Huang, Zhongli Zhang, Zi-Gao Dai","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-08-07T16:32:59Z","title":"A Deep VLA Search for a Persistent Radio Counterpart to the One-off FRB 20250316A"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2508.05552","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:be7c32ef69eb0cd128a46a17e1bc074304a652662f19e884487c2c65cf424930","target":"record","created_at":"2026-07-05T12:03:50Z","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":"fda914072aeee7517397e5b6b2fadf1a6c0f0420421682f74e34f570aedb5f41","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.HE","submitted_at":"2025-08-07T16:32:59Z","title_canon_sha256":"874f6c927e374d6d8dd9bd85cc7d91fef59d9384cd8a0a5cfe2fcf1991faee3e"},"schema_version":"1.0","source":{"id":"2508.05552","kind":"arxiv","version":2}},"canonical_sha256":"ba4ccc4d8bd07155fc04dc01787daaa9f961ac7e12049b14034ba06e9c570289","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ba4ccc4d8bd07155fc04dc01787daaa9f961ac7e12049b14034ba06e9c570289","first_computed_at":"2026-07-05T12:03:50.972975Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T12:03:50.972975Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"UnxKhIV4milO/TyTAQgYeSH6HjWJ2aNvmL776uydU8/D0AImRNRifAwgeUozvXa0Cp5FC/yTXkyOW/O+Ax5eDQ==","signature_status":"signed_v1","signed_at":"2026-07-05T12:03:50.973509Z","signed_message":"canonical_sha256_bytes"},"source_id":"2508.05552","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:be7c32ef69eb0cd128a46a17e1bc074304a652662f19e884487c2c65cf424930","sha256:e7fbf85aaf38146198d85793880d8c4a576c03abfbe74b5280e8010523cdb0c6"],"state_sha256":"91d7124242e1ed5148717e38ac878785390c5c0f106ad216e213f55ceb7cadb8"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"4dwgAb8DugfdoRnrDvDvxHmCc6uF77LuxtRGLuksYazbaIqouJN35Bglc0dD3XjzU3QqH1n5tavsVEytYETHCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-08T13:51:35.293276Z","bundle_sha256":"1840df6d51b61fe81cce3b5a8d43ec15d65fe81c98c087a52e843955e1528ecd"}}