{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2012:ADOX737MTHW5TQQWROBHZW7NWP","short_pith_number":"pith:ADOX737M","canonical_record":{"source":{"id":"1201.1267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-01-05T19:17:02Z","cross_cats_sorted":[],"title_canon_sha256":"560fd17dcb7648399f9a9e061f0d3e6b84128acdb51cf98a78d6985999e9074c","abstract_canon_sha256":"179ba87edc83323fcac3ddbb64894d20ab0bf4be61dcc8505d2b1ada69c48d8f"},"schema_version":"1.0"},"canonical_sha256":"00dd7fefec99edd9c2168b827cdbedb3fdc2b7c97a512ee777411f72aa775cba","source":{"kind":"arxiv","id":"1201.1267","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.1267","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"arxiv_version","alias_value":"1201.1267v1","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.1267","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"pith_short_12","alias_value":"ADOX737MTHW5","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"ADOX737MTHW5TQQW","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"ADOX737M","created_at":"2026-05-18T12:26:58Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2012:ADOX737MTHW5TQQWROBHZW7NWP","target":"record","payload":{"canonical_record":{"source":{"id":"1201.1267","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-01-05T19:17:02Z","cross_cats_sorted":[],"title_canon_sha256":"560fd17dcb7648399f9a9e061f0d3e6b84128acdb51cf98a78d6985999e9074c","abstract_canon_sha256":"179ba87edc83323fcac3ddbb64894d20ab0bf4be61dcc8505d2b1ada69c48d8f"},"schema_version":"1.0"},"canonical_sha256":"00dd7fefec99edd9c2168b827cdbedb3fdc2b7c97a512ee777411f72aa775cba","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:58:55.291252Z","signature_b64":"9NeMZYV2oif1RJf/BFFGowkhaP7rUtnYH6VYyVRAh89HfP94qNTBeiqtlVZsQlu8hZc21x2CkiOF+myNYn7vAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"00dd7fefec99edd9c2168b827cdbedb3fdc2b7c97a512ee777411f72aa775cba","last_reissued_at":"2026-05-18T01:58:55.290519Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:58:55.290519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1201.1267","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":"2026-05-18T01:58:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"BqAeerBbEpMbQUlvlzJmOOE/goeYRsJF3zEcAr1fCaT0C/nj4wArAf0pDB0NA8Hp1btypzTNlbiPfVO5D4AUDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T15:52:26.015777Z"},"content_sha256":"e3960f988728386247e4361e4438d4365493409b07f1570dff8ccef8039b7c07","schema_version":"1.0","event_id":"sha256:e3960f988728386247e4361e4438d4365493409b07f1570dff8ccef8039b7c07"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2012:ADOX737MTHW5TQQWROBHZW7NWP","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exploring the Low-$Z$ Shore of the Island of Inversion at $N = 19$","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-ex","authors_text":"A. Gade, A. Grovom, A. Spyrou, A. Wersal, B. Luther, D. Bazin, D. Weisshaar, E. M. Lunderberg, G. Christian, G. F. Grinyer, G. F. Peaslee, J. Brown, J. D. Hinnefeld, J. E. Finck, J. K. Smith, J. Snyder, M. J. Strongman, M. Mosby, M. Thoennessen, M. Warren, N. Frank, P. A. DeYoung, S. Ash, S. Mosby, T. Baumann, T. Nagi, W. F. Rogers","submitted_at":"2012-01-05T19:17:02Z","abstract_excerpt":"The technique of invariant mass spectroscopy has been used to measure, for the first time, the ground state energy of neutron-unbound $^{28}\\textrm{F},$ determined to be a resonance in the $^{27}\\textrm{F} + n$ continuum at $2\\underline{2}0 (\\underline{5}0)$ keV. States in $^{28}\\textrm{F}$ were populated by the reactions of a 62 MeV/u $^{29}\\textrm{Ne}$ beam impinging on a 288 $\\textrm{mg/cm}^2$ beryllium target. The measured $^{28}\\textrm{F}$ ground state energy is in good agreement with USDA/USDB shell model predictions, indicating that $pf$ shell intruder configurations play only a small r"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.1267","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":"2026-05-18T01:58:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"31ZSD5zPmhHrX/lK13LsxdCbwis/F6ff+zGsLYLB77n6+Q18EK72RDW17FYkHUwHQ/6b9WO6RrBONHX6X4fVAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-30T15:52:26.016131Z"},"content_sha256":"6579905ebeeb46c335e73a4a3f9e0a0feb9868320ada6b3aa962b13b5801a521","schema_version":"1.0","event_id":"sha256:6579905ebeeb46c335e73a4a3f9e0a0feb9868320ada6b3aa962b13b5801a521"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/ADOX737MTHW5TQQWROBHZW7NWP/bundle.json","state_url":"https://pith.science/pith/ADOX737MTHW5TQQWROBHZW7NWP/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/ADOX737MTHW5TQQWROBHZW7NWP/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":"2026-05-30T15:52:26Z","links":{"resolver":"https://pith.science/pith/ADOX737MTHW5TQQWROBHZW7NWP","bundle":"https://pith.science/pith/ADOX737MTHW5TQQWROBHZW7NWP/bundle.json","state":"https://pith.science/pith/ADOX737MTHW5TQQWROBHZW7NWP/state.json","well_known_bundle":"https://pith.science/.well-known/pith/ADOX737MTHW5TQQWROBHZW7NWP/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2012:ADOX737MTHW5TQQWROBHZW7NWP","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":"179ba87edc83323fcac3ddbb64894d20ab0bf4be61dcc8505d2b1ada69c48d8f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-01-05T19:17:02Z","title_canon_sha256":"560fd17dcb7648399f9a9e061f0d3e6b84128acdb51cf98a78d6985999e9074c"},"schema_version":"1.0","source":{"id":"1201.1267","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1201.1267","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"arxiv_version","alias_value":"1201.1267v1","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1201.1267","created_at":"2026-05-18T01:58:55Z"},{"alias_kind":"pith_short_12","alias_value":"ADOX737MTHW5","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_16","alias_value":"ADOX737MTHW5TQQW","created_at":"2026-05-18T12:26:58Z"},{"alias_kind":"pith_short_8","alias_value":"ADOX737M","created_at":"2026-05-18T12:26:58Z"}],"graph_snapshots":[{"event_id":"sha256:6579905ebeeb46c335e73a4a3f9e0a0feb9868320ada6b3aa962b13b5801a521","target":"graph","created_at":"2026-05-18T01:58:55Z","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 technique of invariant mass spectroscopy has been used to measure, for the first time, the ground state energy of neutron-unbound $^{28}\\textrm{F},$ determined to be a resonance in the $^{27}\\textrm{F} + n$ continuum at $2\\underline{2}0 (\\underline{5}0)$ keV. States in $^{28}\\textrm{F}$ were populated by the reactions of a 62 MeV/u $^{29}\\textrm{Ne}$ beam impinging on a 288 $\\textrm{mg/cm}^2$ beryllium target. The measured $^{28}\\textrm{F}$ ground state energy is in good agreement with USDA/USDB shell model predictions, indicating that $pf$ shell intruder configurations play only a small r","authors_text":"A. Gade, A. Grovom, A. Spyrou, A. Wersal, B. Luther, D. Bazin, D. Weisshaar, E. M. Lunderberg, G. Christian, G. F. Grinyer, G. F. Peaslee, J. Brown, J. D. Hinnefeld, J. E. Finck, J. K. Smith, J. Snyder, M. J. Strongman, M. Mosby, M. Thoennessen, M. Warren, N. Frank, P. A. DeYoung, S. Ash, S. Mosby, T. Baumann, T. Nagi, W. F. Rogers","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-01-05T19:17:02Z","title":"Exploring the Low-$Z$ Shore of the Island of Inversion at $N = 19$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1201.1267","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:e3960f988728386247e4361e4438d4365493409b07f1570dff8ccef8039b7c07","target":"record","created_at":"2026-05-18T01:58:55Z","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":"179ba87edc83323fcac3ddbb64894d20ab0bf4be61dcc8505d2b1ada69c48d8f","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2012-01-05T19:17:02Z","title_canon_sha256":"560fd17dcb7648399f9a9e061f0d3e6b84128acdb51cf98a78d6985999e9074c"},"schema_version":"1.0","source":{"id":"1201.1267","kind":"arxiv","version":1}},"canonical_sha256":"00dd7fefec99edd9c2168b827cdbedb3fdc2b7c97a512ee777411f72aa775cba","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"00dd7fefec99edd9c2168b827cdbedb3fdc2b7c97a512ee777411f72aa775cba","first_computed_at":"2026-05-18T01:58:55.290519Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:58:55.290519Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"9NeMZYV2oif1RJf/BFFGowkhaP7rUtnYH6VYyVRAh89HfP94qNTBeiqtlVZsQlu8hZc21x2CkiOF+myNYn7vAw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:58:55.291252Z","signed_message":"canonical_sha256_bytes"},"source_id":"1201.1267","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e3960f988728386247e4361e4438d4365493409b07f1570dff8ccef8039b7c07","sha256:6579905ebeeb46c335e73a4a3f9e0a0feb9868320ada6b3aa962b13b5801a521"],"state_sha256":"f3c6bd21b0febb7d5aaec2de8968dbc5717903b8fcf5550fdc4c0a937d46be5e"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xx/VU0PLBgw9DcuuzexzhDD0TxgLjz/cPsLTOoiDm+Kz7vRH2wf5UhxOZrrP+N25BCHO7Tt872K/DeYur6k/DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-30T15:52:26.018144Z","bundle_sha256":"c83253492449234f4a4a6ca072c653bdb890c52e7387bf780522f00b08f47cdb"}}