{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:IV5WYCM5YJZQZIIDEF754YHG4Q","short_pith_number":"pith:IV5WYCM5","canonical_record":{"source":{"id":"1702.02310","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-02-08T07:26:12Z","cross_cats_sorted":[],"title_canon_sha256":"37180de232f56e256131091da3d7ae017472f820bd05d3d6e8908f95add004f2","abstract_canon_sha256":"490aeffca3762e8cdd99901a4fed5cc230e3046c835381f95e2aeb4d0e6306d0"},"schema_version":"1.0"},"canonical_sha256":"457b6c099dc2730ca103217fde60e6e43de3b6cd452ddb6bbbea790c22f1789a","source":{"kind":"arxiv","id":"1702.02310","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02310","created_at":"2026-05-18T00:51:06Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02310v1","created_at":"2026-05-18T00:51:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02310","created_at":"2026-05-18T00:51:06Z"},{"alias_kind":"pith_short_12","alias_value":"IV5WYCM5YJZQ","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IV5WYCM5YJZQZIID","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IV5WYCM5","created_at":"2026-05-18T12:31:21Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:IV5WYCM5YJZQZIIDEF754YHG4Q","target":"record","payload":{"canonical_record":{"source":{"id":"1702.02310","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-02-08T07:26:12Z","cross_cats_sorted":[],"title_canon_sha256":"37180de232f56e256131091da3d7ae017472f820bd05d3d6e8908f95add004f2","abstract_canon_sha256":"490aeffca3762e8cdd99901a4fed5cc230e3046c835381f95e2aeb4d0e6306d0"},"schema_version":"1.0"},"canonical_sha256":"457b6c099dc2730ca103217fde60e6e43de3b6cd452ddb6bbbea790c22f1789a","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:51:06.250208Z","signature_b64":"EsLzvR4IW7qJ+z5GfxRn/8zSkc5VFBASFedmxI+jwuLvrYfXQsTsoePPY4VnHSynMfOWtmN82FpWp2H+3GRDCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"457b6c099dc2730ca103217fde60e6e43de3b6cd452ddb6bbbea790c22f1789a","last_reissued_at":"2026-05-18T00:51:06.249810Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:51:06.249810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1702.02310","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":"2026-05-18T00:51:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"iW1HEGZV5zao1PevBumUYJJv56+vSQEQgXg+4SoFhU+3vGR0JfoHwiQaptfuTYaTifkkXn/dg2H/qoxGjGmbDQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T17:26:35.258481Z"},"content_sha256":"c237a2b8165fadaa9711be5840e7ee5baea316c06e3aa4b38e19ad00ff917e16","schema_version":"1.0","event_id":"sha256:c237a2b8165fadaa9711be5840e7ee5baea316c06e3aa4b38e19ad00ff917e16"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:IV5WYCM5YJZQZIIDEF754YHG4Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"$\\Delta$ isobars in hyperon stars in a modified quark meson coupling model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"nucl-th","authors_text":"H.S. Sahoo, N. Barik, P.K. Panda, R.N. Mishra","submitted_at":"2017-02-08T07:26:12Z","abstract_excerpt":"The possibility of the appearance of $\\Delta$ isobars in neutron star matter and the so called {\\it $\\Delta$ puzzle} is studied in a modified quark meson coupling model where the confining interaction for quarks inside a baryon is represented by a phenomenological average potential in an equally mixed scalar-vector harmonic form. The hadron-hadron interaction in nuclear matter is then realized by introducing additional quark couplings to $\\sigma$, $\\omega$, and $\\rho$ mesons through mean-field approximations. The couplings of the $\\Delta$ to the meson fields are fixed from available constraint"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02310","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":"2026-05-18T00:51:06Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MwB7qEE7BjKT2YqVwGpNtxeJBOFVbupepm+53FoQVKOZd3ku0J7I/tOUYPV1A/qPWDpRTICVTcucYo2s7A+BCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-02T17:26:35.258826Z"},"content_sha256":"0417be79f2d9fbadb23e9d74338c9d00d7a93b18759ce51de39ec5ddb5c5fa3e","schema_version":"1.0","event_id":"sha256:0417be79f2d9fbadb23e9d74338c9d00d7a93b18759ce51de39ec5ddb5c5fa3e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IV5WYCM5YJZQZIIDEF754YHG4Q/bundle.json","state_url":"https://pith.science/pith/IV5WYCM5YJZQZIIDEF754YHG4Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IV5WYCM5YJZQZIIDEF754YHG4Q/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":"2026-06-02T17:26:35Z","links":{"resolver":"https://pith.science/pith/IV5WYCM5YJZQZIIDEF754YHG4Q","bundle":"https://pith.science/pith/IV5WYCM5YJZQZIIDEF754YHG4Q/bundle.json","state":"https://pith.science/pith/IV5WYCM5YJZQZIIDEF754YHG4Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IV5WYCM5YJZQZIIDEF754YHG4Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:IV5WYCM5YJZQZIIDEF754YHG4Q","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":"490aeffca3762e8cdd99901a4fed5cc230e3046c835381f95e2aeb4d0e6306d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-02-08T07:26:12Z","title_canon_sha256":"37180de232f56e256131091da3d7ae017472f820bd05d3d6e8908f95add004f2"},"schema_version":"1.0","source":{"id":"1702.02310","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1702.02310","created_at":"2026-05-18T00:51:06Z"},{"alias_kind":"arxiv_version","alias_value":"1702.02310v1","created_at":"2026-05-18T00:51:06Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1702.02310","created_at":"2026-05-18T00:51:06Z"},{"alias_kind":"pith_short_12","alias_value":"IV5WYCM5YJZQ","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_16","alias_value":"IV5WYCM5YJZQZIID","created_at":"2026-05-18T12:31:21Z"},{"alias_kind":"pith_short_8","alias_value":"IV5WYCM5","created_at":"2026-05-18T12:31:21Z"}],"graph_snapshots":[{"event_id":"sha256:0417be79f2d9fbadb23e9d74338c9d00d7a93b18759ce51de39ec5ddb5c5fa3e","target":"graph","created_at":"2026-05-18T00:51:06Z","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 possibility of the appearance of $\\Delta$ isobars in neutron star matter and the so called {\\it $\\Delta$ puzzle} is studied in a modified quark meson coupling model where the confining interaction for quarks inside a baryon is represented by a phenomenological average potential in an equally mixed scalar-vector harmonic form. The hadron-hadron interaction in nuclear matter is then realized by introducing additional quark couplings to $\\sigma$, $\\omega$, and $\\rho$ mesons through mean-field approximations. The couplings of the $\\Delta$ to the meson fields are fixed from available constraint","authors_text":"H.S. Sahoo, N. Barik, P.K. Panda, R.N. Mishra","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-02-08T07:26:12Z","title":"$\\Delta$ isobars in hyperon stars in a modified quark meson coupling model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1702.02310","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:c237a2b8165fadaa9711be5840e7ee5baea316c06e3aa4b38e19ad00ff917e16","target":"record","created_at":"2026-05-18T00:51:06Z","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":"490aeffca3762e8cdd99901a4fed5cc230e3046c835381f95e2aeb4d0e6306d0","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"nucl-th","submitted_at":"2017-02-08T07:26:12Z","title_canon_sha256":"37180de232f56e256131091da3d7ae017472f820bd05d3d6e8908f95add004f2"},"schema_version":"1.0","source":{"id":"1702.02310","kind":"arxiv","version":1}},"canonical_sha256":"457b6c099dc2730ca103217fde60e6e43de3b6cd452ddb6bbbea790c22f1789a","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"457b6c099dc2730ca103217fde60e6e43de3b6cd452ddb6bbbea790c22f1789a","first_computed_at":"2026-05-18T00:51:06.249810Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:51:06.249810Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"EsLzvR4IW7qJ+z5GfxRn/8zSkc5VFBASFedmxI+jwuLvrYfXQsTsoePPY4VnHSynMfOWtmN82FpWp2H+3GRDCg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:51:06.250208Z","signed_message":"canonical_sha256_bytes"},"source_id":"1702.02310","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:c237a2b8165fadaa9711be5840e7ee5baea316c06e3aa4b38e19ad00ff917e16","sha256:0417be79f2d9fbadb23e9d74338c9d00d7a93b18759ce51de39ec5ddb5c5fa3e"],"state_sha256":"612de8b336e5bc02d1f806918c518f8a8b8a0384c5df06570ba9d2c909943a94"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RTMoIy0gtFwx/DJWmLESEms1MbnOn9rCmKL0oFYZwqxZPOEy4wbYi9P+lGGf0WFV4Juqn6Tn+vL/JzY/RVCuBQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-02T17:26:35.260875Z","bundle_sha256":"c2553ec130f013f002a4b513bb2ddb5eeca4ade8e2daaad00fa49ef5f018dff2"}}