{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:YHDPQWC54ONR7S2NS7YWE7NFQ5","short_pith_number":"pith:YHDPQWC5","schema_version":"1.0","canonical_sha256":"c1c6f8585de39b1fcb4d97f1627da58756e509aee0715911b8c560c2ad01bbca","source":{"kind":"arxiv","id":"1608.03698","version":2},"attestation_state":"computed","paper":{"title":"Self-similar motion of a Nambu-Goto string","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Takahisa Igata, Tomohiro Harada, Tsuyoshi Houri","submitted_at":"2016-08-12T07:41:24Z","abstract_excerpt":"We study the self-similar motion of a string in a self-similar spacetime by introducing the concept of a self-similar string, which is defined as the world sheet to which a homothetic vector field is tangent. It is shown that in Nambu-Goto theory, the equations of motion for a self-similar string reduce to those for a particle. Moreover, under certain conditions such as the hypersurface orthogonality of the homothetic vector field, the equations of motion for a self-similar string simplify to the geodesic equations on a (pseudo) Riemannian space. As a concrete example, we investigate a self-si"},"verification_status":{"content_addressed":true,"pith_receipt":true,"author_attested":false,"weak_author_claims":0,"strong_author_claims":0,"externally_anchored":false,"storage_verified":false,"citation_signatures":0,"replication_records":0,"graph_snapshot":true,"references_resolved":false,"formal_links_present":false},"canonical_record":{"source":{"id":"1608.03698","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2016-08-12T07:41:24Z","cross_cats_sorted":["hep-th"],"title_canon_sha256":"08244f1763e67a3c00ff9ff7170c20f8752a7619899920a7b601cf34cb506ccb","abstract_canon_sha256":"cd58579c6688e553e58a56a08e17e30951db4d902cc4ab7b43e878d4f2b4806e"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:04:41.031215Z","signature_b64":"/jKmWTC1KWdL2SnZ9whypetWmf2qgs1jOc4PxwHHKieG+XUhbgayQD83Ar7EEowYOgvgClFENKrAJxjQ6luSAw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c1c6f8585de39b1fcb4d97f1627da58756e509aee0715911b8c560c2ad01bbca","last_reissued_at":"2026-05-18T01:04:41.030566Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:04:41.030566Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Self-similar motion of a Nambu-Goto string","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["hep-th"],"primary_cat":"gr-qc","authors_text":"Takahisa Igata, Tomohiro Harada, Tsuyoshi Houri","submitted_at":"2016-08-12T07:41:24Z","abstract_excerpt":"We study the self-similar motion of a string in a self-similar spacetime by introducing the concept of a self-similar string, which is defined as the world sheet to which a homothetic vector field is tangent. It is shown that in Nambu-Goto theory, the equations of motion for a self-similar string reduce to those for a particle. Moreover, under certain conditions such as the hypersurface orthogonality of the homothetic vector field, the equations of motion for a self-similar string simplify to the geodesic equations on a (pseudo) Riemannian space. As a concrete example, we investigate a self-si"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1608.03698","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":""},"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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1608.03698","created_at":"2026-05-18T01:04:41.030676+00:00"},{"alias_kind":"arxiv_version","alias_value":"1608.03698v2","created_at":"2026-05-18T01:04:41.030676+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1608.03698","created_at":"2026-05-18T01:04:41.030676+00:00"},{"alias_kind":"pith_short_12","alias_value":"YHDPQWC54ONR","created_at":"2026-05-18T12:30:53.716459+00:00"},{"alias_kind":"pith_short_16","alias_value":"YHDPQWC54ONR7S2N","created_at":"2026-05-18T12:30:53.716459+00:00"},{"alias_kind":"pith_short_8","alias_value":"YHDPQWC5","created_at":"2026-05-18T12:30:53.716459+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":0,"internal_anchor_count":0,"sample":[]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/YHDPQWC54ONR7S2NS7YWE7NFQ5","json":"https://pith.science/pith/YHDPQWC54ONR7S2NS7YWE7NFQ5.json","graph_json":"https://pith.science/api/pith-number/YHDPQWC54ONR7S2NS7YWE7NFQ5/graph.json","events_json":"https://pith.science/api/pith-number/YHDPQWC54ONR7S2NS7YWE7NFQ5/events.json","paper":"https://pith.science/paper/YHDPQWC5"},"agent_actions":{"view_html":"https://pith.science/pith/YHDPQWC54ONR7S2NS7YWE7NFQ5","download_json":"https://pith.science/pith/YHDPQWC54ONR7S2NS7YWE7NFQ5.json","view_paper":"https://pith.science/paper/YHDPQWC5","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1608.03698&json=true","fetch_graph":"https://pith.science/api/pith-number/YHDPQWC54ONR7S2NS7YWE7NFQ5/graph.json","fetch_events":"https://pith.science/api/pith-number/YHDPQWC54ONR7S2NS7YWE7NFQ5/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/YHDPQWC54ONR7S2NS7YWE7NFQ5/action/timestamp_anchor","attest_storage":"https://pith.science/pith/YHDPQWC54ONR7S2NS7YWE7NFQ5/action/storage_attestation","attest_author":"https://pith.science/pith/YHDPQWC54ONR7S2NS7YWE7NFQ5/action/author_attestation","sign_citation":"https://pith.science/pith/YHDPQWC54ONR7S2NS7YWE7NFQ5/action/citation_signature","submit_replication":"https://pith.science/pith/YHDPQWC54ONR7S2NS7YWE7NFQ5/action/replication_record"}},"created_at":"2026-05-18T01:04:41.030676+00:00","updated_at":"2026-05-18T01:04:41.030676+00:00"}