{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:42W5OQGCI5BV5IKIBMMRF4L3OM","short_pith_number":"pith:42W5OQGC","canonical_record":{"source":{"id":"1707.09749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-07-31T08:02:35Z","cross_cats_sorted":[],"title_canon_sha256":"b13fd847cd53b8df3c1f41d095a308a0bab6aaa9748910beb94069e8531fcfc6","abstract_canon_sha256":"88f24352d2dc4158adece46b968ffbf1fd3de485a3cbb4f75a07b7d39c93d72a"},"schema_version":"1.0"},"canonical_sha256":"e6add740c247435ea1480b1912f17b73194fcc139eb9a2ae0153371e88f74729","source":{"kind":"arxiv","id":"1707.09749","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.09749","created_at":"2026-05-18T00:36:42Z"},{"alias_kind":"arxiv_version","alias_value":"1707.09749v1","created_at":"2026-05-18T00:36:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.09749","created_at":"2026-05-18T00:36:42Z"},{"alias_kind":"pith_short_12","alias_value":"42W5OQGCI5BV","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"42W5OQGCI5BV5IKI","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"42W5OQGC","created_at":"2026-05-18T12:30:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:42W5OQGCI5BV5IKIBMMRF4L3OM","target":"record","payload":{"canonical_record":{"source":{"id":"1707.09749","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-07-31T08:02:35Z","cross_cats_sorted":[],"title_canon_sha256":"b13fd847cd53b8df3c1f41d095a308a0bab6aaa9748910beb94069e8531fcfc6","abstract_canon_sha256":"88f24352d2dc4158adece46b968ffbf1fd3de485a3cbb4f75a07b7d39c93d72a"},"schema_version":"1.0"},"canonical_sha256":"e6add740c247435ea1480b1912f17b73194fcc139eb9a2ae0153371e88f74729","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:36:42.985582Z","signature_b64":"zs0oi1MtNLRFUubSvAONo808P5aUNaTwR6juC9FeSnHlD8ufFbfKjzVw7A4e/H5jeM27uFjE/+Tq0lGdvw0oDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e6add740c247435ea1480b1912f17b73194fcc139eb9a2ae0153371e88f74729","last_reissued_at":"2026-05-18T00:36:42.984994Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:36:42.984994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1707.09749","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":"2026-05-18T00:36:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cQsX/azjjm1luy1vi/iMeeL4gP6psTwUIUzCuwDK2T51VHF3RquXxzNYzFRLwwb5+3hiv8x4oXMhgqGi8+cuAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T16:40:34.300250Z"},"content_sha256":"987dcb2c87c96c1be4030f7246116bcc7c16cae845ce6f6cb201eddc8ecf0510","schema_version":"1.0","event_id":"sha256:987dcb2c87c96c1be4030f7246116bcc7c16cae845ce6f6cb201eddc8ecf0510"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:42W5OQGCI5BV5IKIBMMRF4L3OM","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Is There a Sign of New Physics in Beryllium Transitions?","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-ph","authors_text":"Bartosz Fornal","submitted_at":"2017-07-31T08:02:35Z","abstract_excerpt":"We discuss the current status of the anomaly in beryllium-8 nuclear transitions recently reported in the angular distribution of internal conversion electron-positron pairs. We present a phenomenological analysis of the signal and review the models proposed to explain it, focusing on those involving a new light protophobic vector gauge boson. We also elaborate on the prospects of verifying the anomaly in present and future experiments."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.09749","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":"2026-05-18T00:36:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RqkGj+dJ8Z4xXo/FEmyh1Gd+kXEUygT+cVfm8BP1hJ4Gj2/zgTPUOEB6PX8Q8uQKKv/k5bIr3Gm7LL1bCWOQCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-23T16:40:34.300973Z"},"content_sha256":"a74a4b9b9498be879ba4f7aee2e76f4f36da65c4a836cf406cbe507ee14eac48","schema_version":"1.0","event_id":"sha256:a74a4b9b9498be879ba4f7aee2e76f4f36da65c4a836cf406cbe507ee14eac48"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/42W5OQGCI5BV5IKIBMMRF4L3OM/bundle.json","state_url":"https://pith.science/pith/42W5OQGCI5BV5IKIBMMRF4L3OM/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/42W5OQGCI5BV5IKIBMMRF4L3OM/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":"2026-05-23T16:40:34Z","links":{"resolver":"https://pith.science/pith/42W5OQGCI5BV5IKIBMMRF4L3OM","bundle":"https://pith.science/pith/42W5OQGCI5BV5IKIBMMRF4L3OM/bundle.json","state":"https://pith.science/pith/42W5OQGCI5BV5IKIBMMRF4L3OM/state.json","well_known_bundle":"https://pith.science/.well-known/pith/42W5OQGCI5BV5IKIBMMRF4L3OM/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:42W5OQGCI5BV5IKIBMMRF4L3OM","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":"88f24352d2dc4158adece46b968ffbf1fd3de485a3cbb4f75a07b7d39c93d72a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-07-31T08:02:35Z","title_canon_sha256":"b13fd847cd53b8df3c1f41d095a308a0bab6aaa9748910beb94069e8531fcfc6"},"schema_version":"1.0","source":{"id":"1707.09749","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1707.09749","created_at":"2026-05-18T00:36:42Z"},{"alias_kind":"arxiv_version","alias_value":"1707.09749v1","created_at":"2026-05-18T00:36:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1707.09749","created_at":"2026-05-18T00:36:42Z"},{"alias_kind":"pith_short_12","alias_value":"42W5OQGCI5BV","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_16","alias_value":"42W5OQGCI5BV5IKI","created_at":"2026-05-18T12:30:58Z"},{"alias_kind":"pith_short_8","alias_value":"42W5OQGC","created_at":"2026-05-18T12:30:58Z"}],"graph_snapshots":[{"event_id":"sha256:a74a4b9b9498be879ba4f7aee2e76f4f36da65c4a836cf406cbe507ee14eac48","target":"graph","created_at":"2026-05-18T00:36:42Z","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 discuss the current status of the anomaly in beryllium-8 nuclear transitions recently reported in the angular distribution of internal conversion electron-positron pairs. We present a phenomenological analysis of the signal and review the models proposed to explain it, focusing on those involving a new light protophobic vector gauge boson. We also elaborate on the prospects of verifying the anomaly in present and future experiments.","authors_text":"Bartosz Fornal","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-07-31T08:02:35Z","title":"Is There a Sign of New Physics in Beryllium Transitions?"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1707.09749","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":"sha256:987dcb2c87c96c1be4030f7246116bcc7c16cae845ce6f6cb201eddc8ecf0510","target":"record","created_at":"2026-05-18T00:36:42Z","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":"88f24352d2dc4158adece46b968ffbf1fd3de485a3cbb4f75a07b7d39c93d72a","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-ph","submitted_at":"2017-07-31T08:02:35Z","title_canon_sha256":"b13fd847cd53b8df3c1f41d095a308a0bab6aaa9748910beb94069e8531fcfc6"},"schema_version":"1.0","source":{"id":"1707.09749","kind":"arxiv","version":1}},"canonical_sha256":"e6add740c247435ea1480b1912f17b73194fcc139eb9a2ae0153371e88f74729","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e6add740c247435ea1480b1912f17b73194fcc139eb9a2ae0153371e88f74729","first_computed_at":"2026-05-18T00:36:42.984994Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:36:42.984994Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"zs0oi1MtNLRFUubSvAONo808P5aUNaTwR6juC9FeSnHlD8ufFbfKjzVw7A4e/H5jeM27uFjE/+Tq0lGdvw0oDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:36:42.985582Z","signed_message":"canonical_sha256_bytes"},"source_id":"1707.09749","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:987dcb2c87c96c1be4030f7246116bcc7c16cae845ce6f6cb201eddc8ecf0510","sha256:a74a4b9b9498be879ba4f7aee2e76f4f36da65c4a836cf406cbe507ee14eac48"],"state_sha256":"25528dd581d3137fc17e078ea992b7de82b029af999b4ececa61850933d01c5d"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aNoRw3xmyjKvPWocRQMpXIRyd1H8A6dPM6GdgZ01wVrI4rilMd8FT6sovttftkzWpk6hmh0MKeIdzXNevneRCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-23T16:40:34.304822Z","bundle_sha256":"c12eef4a86fe9ef3aabea742ac48974a99dbdf1ad17611118a54b5e1e0b1257a"}}