{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2023:J46AAFL6LBOQDSXBQTL7Q4KRYD","short_pith_number":"pith:J46AAFL6","canonical_record":{"source":{"id":"2303.12495","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2023-03-22T12:06:44Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"fdef9c09269c281322f8d31eb7eea012365e093a79d239d45d23d504326182be","abstract_canon_sha256":"e960deeba1ea7c2de5f28069cc1c513466ecdcefc87038070fb486066f94fb18"},"schema_version":"1.0"},"canonical_sha256":"4f3c00157e585d01cae184d7f87151c0c9f6704d4fcf23309adcc61c823cd3bd","source":{"kind":"arxiv","id":"2303.12495","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.12495","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"arxiv_version","alias_value":"2303.12495v1","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.12495","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_12","alias_value":"J46AAFL6LBOQ","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_16","alias_value":"J46AAFL6LBOQDSXB","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_8","alias_value":"J46AAFL6","created_at":"2026-07-05T05:53:42Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2023:J46AAFL6LBOQDSXBQTL7Q4KRYD","target":"record","payload":{"canonical_record":{"source":{"id":"2303.12495","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2023-03-22T12:06:44Z","cross_cats_sorted":["nucl-th"],"title_canon_sha256":"fdef9c09269c281322f8d31eb7eea012365e093a79d239d45d23d504326182be","abstract_canon_sha256":"e960deeba1ea7c2de5f28069cc1c513466ecdcefc87038070fb486066f94fb18"},"schema_version":"1.0"},"canonical_sha256":"4f3c00157e585d01cae184d7f87151c0c9f6704d4fcf23309adcc61c823cd3bd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T05:53:42.293434Z","signature_b64":"CJxQ/oQvC87sepUu37GFJpn9fcZesAdY/8yGFfXi2PDPROINvLK0d6+78zyvGwA7JH8E3zjCt6u6K8WSclkbAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"4f3c00157e585d01cae184d7f87151c0c9f6704d4fcf23309adcc61c823cd3bd","last_reissued_at":"2026-07-05T05:53:42.293029Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T05:53:42.293029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2303.12495","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":"2026-07-05T05:53:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"FG3XWRmmT93RwngnwzgPRIUa6erPudC3fbdGJBsje6NzS590r8x2Y9aqf0yrugkT7ruADIfTwD+Tr5OtQHUEDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T13:47:15.172265Z"},"content_sha256":"8e6ff4af5bb9a330eff8c3908a821874f11378dcd259064b09798665937d9100","schema_version":"1.0","event_id":"sha256:8e6ff4af5bb9a330eff8c3908a821874f11378dcd259064b09798665937d9100"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2023:J46AAFL6LBOQDSXBQTL7Q4KRYD","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Precise determination of quadrupole and hexadecapole deformation parameters of the $sd$-shell nucleus, $^{28}$Si","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["nucl-th"],"primary_cat":"nucl-ex","authors_text":"A. Pal, B. N. Joshi, B. V. John, D. Patel, G. K. Prajapati, I. Mazumdar, K. Hagino, L. S. Danu, N. Kumar, N. Sirswal, Pawan Singh, R. Sariyal, S. Dubey, S. Mukhopadhyay, S. Panwar, U. Garg, V. B. Katariy, V. Ranga, V. V. Desai, Y. K. Gupta","submitted_at":"2023-03-22T12:06:44Z","abstract_excerpt":"Quasi-elastic (QEL) scattering measurements have been performed using $^{28}$Si projectile off a $^{90}$Zr target at energies around the Coulomb barrier. A Bayesian analysis within the framework of coupled channels (CC) calculations is performed in a large parameter space of quadrupole and hexadecapole deformations ($\\beta_{2}$ and $\\beta_{4}$) of $^{28}$Si. Our results clearly show that $^{28}$Si is an oblate shaped nucleus with $\\beta_{2}$=-$0.38 \\pm 0.01$ which is in excellent agreement with electromagnetic probes. A precise value of hexadecapole deformation for $^{28}$Si, $\\beta_{4}$=+$0.0"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.12495","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2303.12495/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":"2026-07-05T05:53:42Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"VBb2gpzd2NlnrEAfdA3GqxZl1ZPUtAgr9d9Us1JlJher9dCEBKz9eIPjYc/VV42DkQX6S5q3pU81LKKxGUelBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-31T13:47:15.172653Z"},"content_sha256":"2b9e3fb00cef437c0ce076577c54a93e3fe5d00792b08e05c6998b4952fa7680","schema_version":"1.0","event_id":"sha256:2b9e3fb00cef437c0ce076577c54a93e3fe5d00792b08e05c6998b4952fa7680"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/J46AAFL6LBOQDSXBQTL7Q4KRYD/bundle.json","state_url":"https://pith.science/pith/J46AAFL6LBOQDSXBQTL7Q4KRYD/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/J46AAFL6LBOQDSXBQTL7Q4KRYD/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":"2026-07-31T13:47:15Z","links":{"resolver":"https://pith.science/pith/J46AAFL6LBOQDSXBQTL7Q4KRYD","bundle":"https://pith.science/pith/J46AAFL6LBOQDSXBQTL7Q4KRYD/bundle.json","state":"https://pith.science/pith/J46AAFL6LBOQDSXBQTL7Q4KRYD/state.json","well_known_bundle":"https://pith.science/.well-known/pith/J46AAFL6LBOQDSXBQTL7Q4KRYD/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2023:J46AAFL6LBOQDSXBQTL7Q4KRYD","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":"e960deeba1ea7c2de5f28069cc1c513466ecdcefc87038070fb486066f94fb18","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2023-03-22T12:06:44Z","title_canon_sha256":"fdef9c09269c281322f8d31eb7eea012365e093a79d239d45d23d504326182be"},"schema_version":"1.0","source":{"id":"2303.12495","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2303.12495","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"arxiv_version","alias_value":"2303.12495v1","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2303.12495","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_12","alias_value":"J46AAFL6LBOQ","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_16","alias_value":"J46AAFL6LBOQDSXB","created_at":"2026-07-05T05:53:42Z"},{"alias_kind":"pith_short_8","alias_value":"J46AAFL6","created_at":"2026-07-05T05:53:42Z"}],"graph_snapshots":[{"event_id":"sha256:2b9e3fb00cef437c0ce076577c54a93e3fe5d00792b08e05c6998b4952fa7680","target":"graph","created_at":"2026-07-05T05:53:42Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2303.12495/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"Quasi-elastic (QEL) scattering measurements have been performed using $^{28}$Si projectile off a $^{90}$Zr target at energies around the Coulomb barrier. A Bayesian analysis within the framework of coupled channels (CC) calculations is performed in a large parameter space of quadrupole and hexadecapole deformations ($\\beta_{2}$ and $\\beta_{4}$) of $^{28}$Si. Our results clearly show that $^{28}$Si is an oblate shaped nucleus with $\\beta_{2}$=-$0.38 \\pm 0.01$ which is in excellent agreement with electromagnetic probes. A precise value of hexadecapole deformation for $^{28}$Si, $\\beta_{4}$=+$0.0","authors_text":"A. Pal, B. N. Joshi, B. V. John, D. Patel, G. K. Prajapati, I. Mazumdar, K. Hagino, L. S. Danu, N. Kumar, N. Sirswal, Pawan Singh, R. Sariyal, S. Dubey, S. Mukhopadhyay, S. Panwar, U. Garg, V. B. Katariy, V. Ranga, V. V. Desai, Y. K. Gupta","cross_cats":["nucl-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2023-03-22T12:06:44Z","title":"Precise determination of quadrupole and hexadecapole deformation parameters of the $sd$-shell nucleus, $^{28}$Si"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2303.12495","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":"sha256:8e6ff4af5bb9a330eff8c3908a821874f11378dcd259064b09798665937d9100","target":"record","created_at":"2026-07-05T05:53:42Z","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":"e960deeba1ea7c2de5f28069cc1c513466ecdcefc87038070fb486066f94fb18","cross_cats_sorted":["nucl-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-ex","submitted_at":"2023-03-22T12:06:44Z","title_canon_sha256":"fdef9c09269c281322f8d31eb7eea012365e093a79d239d45d23d504326182be"},"schema_version":"1.0","source":{"id":"2303.12495","kind":"arxiv","version":1}},"canonical_sha256":"4f3c00157e585d01cae184d7f87151c0c9f6704d4fcf23309adcc61c823cd3bd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"4f3c00157e585d01cae184d7f87151c0c9f6704d4fcf23309adcc61c823cd3bd","first_computed_at":"2026-07-05T05:53:42.293029Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T05:53:42.293029Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"CJxQ/oQvC87sepUu37GFJpn9fcZesAdY/8yGFfXi2PDPROINvLK0d6+78zyvGwA7JH8E3zjCt6u6K8WSclkbAA==","signature_status":"signed_v1","signed_at":"2026-07-05T05:53:42.293434Z","signed_message":"canonical_sha256_bytes"},"source_id":"2303.12495","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:8e6ff4af5bb9a330eff8c3908a821874f11378dcd259064b09798665937d9100","sha256:2b9e3fb00cef437c0ce076577c54a93e3fe5d00792b08e05c6998b4952fa7680"],"state_sha256":"f2ad2c012dfdec3310279cd60958b9060ff0ceb150c0d55f7c06b2baf319ac0a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qqR+gXQgVJ3PO1bV1gla5sqEtHsr3UIj5NjeELxciiN1Z0DrPARur/x9ejjf2TVDOHMicacDiM2KjSiynYNdAA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-31T13:47:15.175681Z","bundle_sha256":"21dd43a25f718d6a670f72231591024afa14afef5f771b877fd9f3ae72c6c67e"}}