{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:GYTHVDCNO2Z3NLXJAGBQMCYBEI","short_pith_number":"pith:GYTHVDCN","canonical_record":{"source":{"id":"1709.03355","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2017-09-11T12:53:51Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"328c33e1b403d753959c7dbd1e23c0b0d60785fcb2502ecc417d016dd9300632","abstract_canon_sha256":"3bf6bad4613ea4e35e48d2b4f026edb649a68c3fa3205fb1efb3e62367be37cc"},"schema_version":"1.0"},"canonical_sha256":"36267a8c4d76b3b6aee90183060b0122084e02cf6a05c0784b25c305460d83be","source":{"kind":"arxiv","id":"1709.03355","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.03355","created_at":"2026-05-18T00:17:54Z"},{"alias_kind":"arxiv_version","alias_value":"1709.03355v1","created_at":"2026-05-18T00:17:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03355","created_at":"2026-05-18T00:17:54Z"},{"alias_kind":"pith_short_12","alias_value":"GYTHVDCNO2Z3","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GYTHVDCNO2Z3NLXJ","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GYTHVDCN","created_at":"2026-05-18T12:31:18Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:GYTHVDCNO2Z3NLXJAGBQMCYBEI","target":"record","payload":{"canonical_record":{"source":{"id":"1709.03355","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2017-09-11T12:53:51Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"328c33e1b403d753959c7dbd1e23c0b0d60785fcb2502ecc417d016dd9300632","abstract_canon_sha256":"3bf6bad4613ea4e35e48d2b4f026edb649a68c3fa3205fb1efb3e62367be37cc"},"schema_version":"1.0"},"canonical_sha256":"36267a8c4d76b3b6aee90183060b0122084e02cf6a05c0784b25c305460d83be","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:54.517894Z","signature_b64":"hVcmbpSb+iEuYRSLp+F6S1PfjI8LoeMmTp1Af9MAcFyT083jB8VZ/7JUjzizas4ofQe2+xUu3dmmvIUdK92RBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"36267a8c4d76b3b6aee90183060b0122084e02cf6a05c0784b25c305460d83be","last_reissued_at":"2026-05-18T00:17:54.517206Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:54.517206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1709.03355","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":"2026-05-18T00:17:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IT78vg76gBCywBDPvDVrB2UEKzkh1xKUkNejem0DDxud3zfbL5WmovFCyKHNYA77pzdTSrTvBiLrzvi9kH4CCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:42:38.178056Z"},"content_sha256":"b3c4b186d15feace348e71508ee62e734ed8245937fdc23c31391275d50e3566","schema_version":"1.0","event_id":"sha256:b3c4b186d15feace348e71508ee62e734ed8245937fdc23c31391275d50e3566"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:GYTHVDCNO2Z3NLXJAGBQMCYBEI","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Evidence for Z=6 `magic number' in neutron-rich carbon isotopes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Inoue, A. Ozawa, C. Scheidenberger, D. Nagae, D. Nishimura, D.T. Tran, E. Ideguchi, G. Hagen, G. R. Jansen, H. Geissel, H.J. Ong, H. Sakaguchi, I. Tanihata, J. Tanaka, K. Matsuta, L.H. Khiem, L.S. Geng, M. Fukuda, M. Mihara, M.N. Harakeh, M. Takechi, N. Aoi, N.D. Nguyen, P.P. Ren, P.Y. Chan, R. Kanungo, R. Wada, S. Momota, S. Terashima, T. D. Morris, T. Hashimoto, T.H. Hoang, T. Kawabata, T. Otsuka, T. Suzuki, T.T. Nguyen, T. Yamamoto, W.P. Lin, Y. Ayyad, Y. Kanada-En'yo","submitted_at":"2017-09-11T12:53:51Z","abstract_excerpt":"The nuclear shell structure, which originates in the nearly independent motion of nucleons in an average potential, provides an important guide for our understanding of nuclear structure and the underlying nuclear forces. Its most remarkable fingerprint is the existence of the so-called `magic numbers' of protons and neutrons associated with extra stability. Although the introduction of a phenomenological spin-orbit (SO) coupling force in 1949 helped explain the nuclear magic numbers, its origins are still open questions. Here, we present experimental evidence for the smallest SO-originated ma"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03355","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":"2026-05-18T00:17:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"NVavUdNQpsG95oYhJ8RpaoVAT0UV4mbByuuuRH7LhkMvKISzFH4afApmjaABq36WNRfmQeQJujgaTC/I0/0fCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-03T00:42:38.178429Z"},"content_sha256":"087679fc50576a785d2424326487c6e349c042c83bd6716216e1093834636078","schema_version":"1.0","event_id":"sha256:087679fc50576a785d2424326487c6e349c042c83bd6716216e1093834636078"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/GYTHVDCNO2Z3NLXJAGBQMCYBEI/bundle.json","state_url":"https://pith.science/pith/GYTHVDCNO2Z3NLXJAGBQMCYBEI/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/GYTHVDCNO2Z3NLXJAGBQMCYBEI/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":"2026-06-03T00:42:38Z","links":{"resolver":"https://pith.science/pith/GYTHVDCNO2Z3NLXJAGBQMCYBEI","bundle":"https://pith.science/pith/GYTHVDCNO2Z3NLXJAGBQMCYBEI/bundle.json","state":"https://pith.science/pith/GYTHVDCNO2Z3NLXJAGBQMCYBEI/state.json","well_known_bundle":"https://pith.science/.well-known/pith/GYTHVDCNO2Z3NLXJAGBQMCYBEI/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:GYTHVDCNO2Z3NLXJAGBQMCYBEI","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":"3bf6bad4613ea4e35e48d2b4f026edb649a68c3fa3205fb1efb3e62367be37cc","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2017-09-11T12:53:51Z","title_canon_sha256":"328c33e1b403d753959c7dbd1e23c0b0d60785fcb2502ecc417d016dd9300632"},"schema_version":"1.0","source":{"id":"1709.03355","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1709.03355","created_at":"2026-05-18T00:17:54Z"},{"alias_kind":"arxiv_version","alias_value":"1709.03355v1","created_at":"2026-05-18T00:17:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1709.03355","created_at":"2026-05-18T00:17:54Z"},{"alias_kind":"pith_short_12","alias_value":"GYTHVDCNO2Z3","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_16","alias_value":"GYTHVDCNO2Z3NLXJ","created_at":"2026-05-18T12:31:18Z"},{"alias_kind":"pith_short_8","alias_value":"GYTHVDCN","created_at":"2026-05-18T12:31:18Z"}],"graph_snapshots":[{"event_id":"sha256:087679fc50576a785d2424326487c6e349c042c83bd6716216e1093834636078","target":"graph","created_at":"2026-05-18T00:17:54Z","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":"The nuclear shell structure, which originates in the nearly independent motion of nucleons in an average potential, provides an important guide for our understanding of nuclear structure and the underlying nuclear forces. Its most remarkable fingerprint is the existence of the so-called `magic numbers' of protons and neutrons associated with extra stability. Although the introduction of a phenomenological spin-orbit (SO) coupling force in 1949 helped explain the nuclear magic numbers, its origins are still open questions. Here, we present experimental evidence for the smallest SO-originated ma","authors_text":"A. Inoue, A. Ozawa, C. Scheidenberger, D. Nagae, D. Nishimura, D.T. Tran, E. Ideguchi, G. Hagen, G. R. Jansen, H. Geissel, H.J. Ong, H. Sakaguchi, I. Tanihata, J. Tanaka, K. Matsuta, L.H. Khiem, L.S. Geng, M. Fukuda, M. Mihara, M.N. Harakeh, M. Takechi, N. Aoi, N.D. Nguyen, P.P. Ren, P.Y. Chan, R. Kanungo, R. Wada, S. Momota, S. Terashima, T. D. Morris, T. Hashimoto, T.H. Hoang, T. Kawabata, T. Otsuka, T. Suzuki, T.T. Nguyen, T. Yamamoto, W.P. Lin, Y. Ayyad, Y. Kanada-En'yo","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2017-09-11T12:53:51Z","title":"Evidence for Z=6 `magic number' in neutron-rich carbon isotopes"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1709.03355","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:b3c4b186d15feace348e71508ee62e734ed8245937fdc23c31391275d50e3566","target":"record","created_at":"2026-05-18T00:17:54Z","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":"3bf6bad4613ea4e35e48d2b4f026edb649a68c3fa3205fb1efb3e62367be37cc","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2017-09-11T12:53:51Z","title_canon_sha256":"328c33e1b403d753959c7dbd1e23c0b0d60785fcb2502ecc417d016dd9300632"},"schema_version":"1.0","source":{"id":"1709.03355","kind":"arxiv","version":1}},"canonical_sha256":"36267a8c4d76b3b6aee90183060b0122084e02cf6a05c0784b25c305460d83be","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"36267a8c4d76b3b6aee90183060b0122084e02cf6a05c0784b25c305460d83be","first_computed_at":"2026-05-18T00:17:54.517206Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:54.517206Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hVcmbpSb+iEuYRSLp+F6S1PfjI8LoeMmTp1Af9MAcFyT083jB8VZ/7JUjzizas4ofQe2+xUu3dmmvIUdK92RBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:54.517894Z","signed_message":"canonical_sha256_bytes"},"source_id":"1709.03355","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b3c4b186d15feace348e71508ee62e734ed8245937fdc23c31391275d50e3566","sha256:087679fc50576a785d2424326487c6e349c042c83bd6716216e1093834636078"],"state_sha256":"e3a9c255158dd075963b97983d30158f067771e1ede577a6810e17ab2ab3ada6"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"LRLICe9kHpndrFeOmk70q2n33LEPUkGF1AQUnzWe5USVGgfv4hi2g48qJ+y2sm3rnPkFKoc3KIFsldt3n3+XDg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-03T00:42:38.180327Z","bundle_sha256":"de8fbe894baaa8b60961a13177a1ff9a7acf51cadfd14778695604be26edb546"}}