{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2016:4AM65FUNBTXEWQHIQSLWIFWIRP","short_pith_number":"pith:4AM65FUN","schema_version":"1.0","canonical_sha256":"e019ee968d0cee4b40e884976416c88bde67869d2933d9958c9e2f787af243f3","source":{"kind":"arxiv","id":"1610.09180","version":3},"attestation_state":"computed","paper":{"title":"Perturbations of spiky strings in flat spacetimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Kamal L. Panigrahi, Sayan Kar, Soumya Bhattacharya","submitted_at":"2016-10-28T12:03:10Z","abstract_excerpt":"Perturbations of a class of semiclassical strings known today as spiky strings, are studied using the well-known Jacobi equations for small normal deformations of an embedded timelike surface. It is shown that there exists finite normal perturbations of the spiky string worldsheets embedded in a $2+1$ dimensional flat spacetime. Such perturbations lead to a rounding off of the spikes, which, in a way, demonstrates the stable nature of the unperturbed worldsheet. The same features appear for the dual spiky string solution and in the spiky as well as their dual solutions in $3+1$ dimensional fla"},"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":"1610.09180","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2016-10-28T12:03:10Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"a78889540ab906d894b03c1daf60cd63193cc54805a97fdfeafed825a5dd25d7","abstract_canon_sha256":"d733dac17f5a078fde62f4b08e69b0b2129b5e5c00ffdf451bae0247637d5194"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:49:14.457625Z","signature_b64":"ZPCuIZs//aCmQyWnuWcG8F6EeSpIcXmFTojEGs4oMZ9TQmf6g0pzKGK5+llJQMXm8t6Xn8dmnL6V+14UORkdCQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e019ee968d0cee4b40e884976416c88bde67869d2933d9958c9e2f787af243f3","last_reissued_at":"2026-05-18T00:49:14.456760Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:49:14.456760Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Perturbations of spiky strings in flat spacetimes","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"hep-th","authors_text":"Kamal L. Panigrahi, Sayan Kar, Soumya Bhattacharya","submitted_at":"2016-10-28T12:03:10Z","abstract_excerpt":"Perturbations of a class of semiclassical strings known today as spiky strings, are studied using the well-known Jacobi equations for small normal deformations of an embedded timelike surface. It is shown that there exists finite normal perturbations of the spiky string worldsheets embedded in a $2+1$ dimensional flat spacetime. Such perturbations lead to a rounding off of the spikes, which, in a way, demonstrates the stable nature of the unperturbed worldsheet. The same features appear for the dual spiky string solution and in the spiky as well as their dual solutions in $3+1$ dimensional fla"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1610.09180","kind":"arxiv","version":3},"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":"1610.09180","created_at":"2026-05-18T00:49:14.456895+00:00"},{"alias_kind":"arxiv_version","alias_value":"1610.09180v3","created_at":"2026-05-18T00:49:14.456895+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1610.09180","created_at":"2026-05-18T00:49:14.456895+00:00"},{"alias_kind":"pith_short_12","alias_value":"4AM65FUNBTXE","created_at":"2026-05-18T12:29:58.707656+00:00"},{"alias_kind":"pith_short_16","alias_value":"4AM65FUNBTXEWQHI","created_at":"2026-05-18T12:29:58.707656+00:00"},{"alias_kind":"pith_short_8","alias_value":"4AM65FUN","created_at":"2026-05-18T12:29:58.707656+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/4AM65FUNBTXEWQHIQSLWIFWIRP","json":"https://pith.science/pith/4AM65FUNBTXEWQHIQSLWIFWIRP.json","graph_json":"https://pith.science/api/pith-number/4AM65FUNBTXEWQHIQSLWIFWIRP/graph.json","events_json":"https://pith.science/api/pith-number/4AM65FUNBTXEWQHIQSLWIFWIRP/events.json","paper":"https://pith.science/paper/4AM65FUN"},"agent_actions":{"view_html":"https://pith.science/pith/4AM65FUNBTXEWQHIQSLWIFWIRP","download_json":"https://pith.science/pith/4AM65FUNBTXEWQHIQSLWIFWIRP.json","view_paper":"https://pith.science/paper/4AM65FUN","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1610.09180&json=true","fetch_graph":"https://pith.science/api/pith-number/4AM65FUNBTXEWQHIQSLWIFWIRP/graph.json","fetch_events":"https://pith.science/api/pith-number/4AM65FUNBTXEWQHIQSLWIFWIRP/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/4AM65FUNBTXEWQHIQSLWIFWIRP/action/timestamp_anchor","attest_storage":"https://pith.science/pith/4AM65FUNBTXEWQHIQSLWIFWIRP/action/storage_attestation","attest_author":"https://pith.science/pith/4AM65FUNBTXEWQHIQSLWIFWIRP/action/author_attestation","sign_citation":"https://pith.science/pith/4AM65FUNBTXEWQHIQSLWIFWIRP/action/citation_signature","submit_replication":"https://pith.science/pith/4AM65FUNBTXEWQHIQSLWIFWIRP/action/replication_record"}},"created_at":"2026-05-18T00:49:14.456895+00:00","updated_at":"2026-05-18T00:49:14.456895+00:00"}