{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2021:5UBTAH5QFDRC3NLEBGWNOLCTAW","short_pith_number":"pith:5UBTAH5Q","canonical_record":{"source":{"id":"2109.06081","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"nucl-ex","submitted_at":"2021-09-13T15:58:14Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"bdda51440571e0d3ed65f5d75d13f5c4481bf1a34ebea86e5adf612cf9187d32","abstract_canon_sha256":"b6782182650fa5736cb2f9058d18f6b5d00c5edea4b0c7d38694d94274708271"},"schema_version":"1.0"},"canonical_sha256":"ed03301fb028e22db56409acd72c530586e99553e99617014896b5e5589bfdc8","source":{"kind":"arxiv","id":"2109.06081","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.06081","created_at":"2026-07-05T06:07:19Z"},{"alias_kind":"arxiv_version","alias_value":"2109.06081v2","created_at":"2026-07-05T06:07:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.06081","created_at":"2026-07-05T06:07:19Z"},{"alias_kind":"pith_short_12","alias_value":"5UBTAH5QFDRC","created_at":"2026-07-05T06:07:19Z"},{"alias_kind":"pith_short_16","alias_value":"5UBTAH5QFDRC3NLE","created_at":"2026-07-05T06:07:19Z"},{"alias_kind":"pith_short_8","alias_value":"5UBTAH5Q","created_at":"2026-07-05T06:07:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2021:5UBTAH5QFDRC3NLEBGWNOLCTAW","target":"record","payload":{"canonical_record":{"source":{"id":"2109.06081","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"nucl-ex","submitted_at":"2021-09-13T15:58:14Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"bdda51440571e0d3ed65f5d75d13f5c4481bf1a34ebea86e5adf612cf9187d32","abstract_canon_sha256":"b6782182650fa5736cb2f9058d18f6b5d00c5edea4b0c7d38694d94274708271"},"schema_version":"1.0"},"canonical_sha256":"ed03301fb028e22db56409acd72c530586e99553e99617014896b5e5589bfdc8","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T06:07:19.347146Z","signature_b64":"33bFRjxU0+ZP4K03IWPpxk6Oa8oWHR4KdDuUv4+qNPf65faQHX6QDPVfKhUohOr4QPvQ5dZ9l4SXS8POI2xpAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"ed03301fb028e22db56409acd72c530586e99553e99617014896b5e5589bfdc8","last_reissued_at":"2026-07-05T06:07:19.346631Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T06:07:19.346631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2109.06081","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":"2026-07-05T06:07:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ii38Y8U6zt2roDhl8FinlZiQGZgaIvv2MFI+NM0DVSE2OGO4SD9L9IC37s37sY9ofq7E1PP2UwMjGZ5tUeNoBA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T16:59:53.071442Z"},"content_sha256":"df428cc6fa298504da5778d2976e7a9f655dcd87c72df76146b85904d1ca382e","schema_version":"1.0","event_id":"sha256:df428cc6fa298504da5778d2976e7a9f655dcd87c72df76146b85904d1ca382e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2021:5UBTAH5QFDRC3NLEBGWNOLCTAW","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Remeasuring the anomalously enhanced $B(E2; 2^+ \\rightarrow 1^+)$ in $^8\\mathrm{Li}$","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. C. Dombos, A. E. McCoy, A. Simon, C. S. Reingold, D. T. Blankstein, J. J. Kolata, K. L. Jones, K. Smith, L. Caves, P. D. O'Malley, P. J. Fasano, R. Kelmar, R. K. Grzywacz, S. Aguilar, S. Jin, S. L. Henderson, T. Ahn","submitted_at":"2021-09-13T15:58:14Z","abstract_excerpt":"The large reported $E2$ strength between the $2^+$ ground state and $1^+$ first excited state of $\\isotope[8]{Li}$, $B(E2; 2^+ \\rightarrow 1^+)= 55(15)\\,e^2\\fm^4$, presents a puzzle. Unlike in neighboring $A=7\\text{--}9$ isotopes, where enhanced $E2$ strengths may be understood to arise from deformation as rotational in-band transitions, the $2^+\\rightarrow1^+$ transition in $^8$Li cannot be understood in any simple way as a rotational in-band transition. Moreover, the reported strength exceeds \\textit{ab initio} predictions by an order of magnitude. In light of this discrepancy, we revisited "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.06081","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/2109.06081/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":"2026-07-05T06:07:19Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"mJzqrwJOGXGaaMIMZXS3K7STW9PF7I4tjPLT8a1axebQ9Ybi+Hp0IY9UP3j+DnzUZSPB+4fVQA1smIur39OUDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-18T16:59:53.072171Z"},"content_sha256":"1ef6fa3fc5464367bf23f50c741b7100df4f1bfd9308c450d635ea4d00cb6d33","schema_version":"1.0","event_id":"sha256:1ef6fa3fc5464367bf23f50c741b7100df4f1bfd9308c450d635ea4d00cb6d33"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/5UBTAH5QFDRC3NLEBGWNOLCTAW/bundle.json","state_url":"https://pith.science/pith/5UBTAH5QFDRC3NLEBGWNOLCTAW/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/5UBTAH5QFDRC3NLEBGWNOLCTAW/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":"2026-08-18T16:59:53Z","links":{"resolver":"https://pith.science/pith/5UBTAH5QFDRC3NLEBGWNOLCTAW","bundle":"https://pith.science/pith/5UBTAH5QFDRC3NLEBGWNOLCTAW/bundle.json","state":"https://pith.science/pith/5UBTAH5QFDRC3NLEBGWNOLCTAW/state.json","well_known_bundle":"https://pith.science/.well-known/pith/5UBTAH5QFDRC3NLEBGWNOLCTAW/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2021:5UBTAH5QFDRC3NLEBGWNOLCTAW","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":"b6782182650fa5736cb2f9058d18f6b5d00c5edea4b0c7d38694d94274708271","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"nucl-ex","submitted_at":"2021-09-13T15:58:14Z","title_canon_sha256":"bdda51440571e0d3ed65f5d75d13f5c4481bf1a34ebea86e5adf612cf9187d32"},"schema_version":"1.0","source":{"id":"2109.06081","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2109.06081","created_at":"2026-07-05T06:07:19Z"},{"alias_kind":"arxiv_version","alias_value":"2109.06081v2","created_at":"2026-07-05T06:07:19Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2109.06081","created_at":"2026-07-05T06:07:19Z"},{"alias_kind":"pith_short_12","alias_value":"5UBTAH5QFDRC","created_at":"2026-07-05T06:07:19Z"},{"alias_kind":"pith_short_16","alias_value":"5UBTAH5QFDRC3NLE","created_at":"2026-07-05T06:07:19Z"},{"alias_kind":"pith_short_8","alias_value":"5UBTAH5Q","created_at":"2026-07-05T06:07:19Z"}],"graph_snapshots":[{"event_id":"sha256:1ef6fa3fc5464367bf23f50c741b7100df4f1bfd9308c450d635ea4d00cb6d33","target":"graph","created_at":"2026-07-05T06:07:19Z","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/2109.06081/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"The large reported $E2$ strength between the $2^+$ ground state and $1^+$ first excited state of $\\isotope[8]{Li}$, $B(E2; 2^+ \\rightarrow 1^+)= 55(15)\\,e^2\\fm^4$, presents a puzzle. Unlike in neighboring $A=7\\text{--}9$ isotopes, where enhanced $E2$ strengths may be understood to arise from deformation as rotational in-band transitions, the $2^+\\rightarrow1^+$ transition in $^8$Li cannot be understood in any simple way as a rotational in-band transition. Moreover, the reported strength exceeds \\textit{ab initio} predictions by an order of magnitude. In light of this discrepancy, we revisited ","authors_text":"A. C. Dombos, A. E. McCoy, A. Simon, C. S. Reingold, D. T. Blankstein, J. J. Kolata, K. L. Jones, K. Smith, L. Caves, P. D. O'Malley, P. J. Fasano, R. Kelmar, R. K. Grzywacz, S. Aguilar, S. Jin, S. L. Henderson, T. Ahn","cross_cats":["nucl-th"],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"nucl-ex","submitted_at":"2021-09-13T15:58:14Z","title":"Remeasuring the anomalously enhanced $B(E2; 2^+ \\rightarrow 1^+)$ in $^8\\mathrm{Li}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2109.06081","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:df428cc6fa298504da5778d2976e7a9f655dcd87c72df76146b85904d1ca382e","target":"record","created_at":"2026-07-05T06:07:19Z","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":"b6782182650fa5736cb2f9058d18f6b5d00c5edea4b0c7d38694d94274708271","cross_cats_sorted":["nucl-th"],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"nucl-ex","submitted_at":"2021-09-13T15:58:14Z","title_canon_sha256":"bdda51440571e0d3ed65f5d75d13f5c4481bf1a34ebea86e5adf612cf9187d32"},"schema_version":"1.0","source":{"id":"2109.06081","kind":"arxiv","version":2}},"canonical_sha256":"ed03301fb028e22db56409acd72c530586e99553e99617014896b5e5589bfdc8","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"ed03301fb028e22db56409acd72c530586e99553e99617014896b5e5589bfdc8","first_computed_at":"2026-07-05T06:07:19.346631Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T06:07:19.346631Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"33bFRjxU0+ZP4K03IWPpxk6Oa8oWHR4KdDuUv4+qNPf65faQHX6QDPVfKhUohOr4QPvQ5dZ9l4SXS8POI2xpAw==","signature_status":"signed_v1","signed_at":"2026-07-05T06:07:19.347146Z","signed_message":"canonical_sha256_bytes"},"source_id":"2109.06081","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:df428cc6fa298504da5778d2976e7a9f655dcd87c72df76146b85904d1ca382e","sha256:1ef6fa3fc5464367bf23f50c741b7100df4f1bfd9308c450d635ea4d00cb6d33"],"state_sha256":"2665a6a3e88a9b5ce8473bf2f79ed12bf703da123b364922508f3a00f74c239e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"8w6kZ9q7iYqD5fC10x9YpK1Wj+HsxlGVAdCYAwJhVw+NdICQ8q+8KA+/h93TA9Q14hkmMg9h5e9PIm5VeTU5Dg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-18T16:59:53.079118Z","bundle_sha256":"72e7beb7aa0c9c60d6df0ffd8ceeefc0ab8de20ee9ba91e03f8b280eeddef9e1"}}