{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2010:VDMDR4BC3Q56MEHQMVM3IXXT6I","short_pith_number":"pith:VDMDR4BC","schema_version":"1.0","canonical_sha256":"a8d838f022dc3be610f06559b45ef3f20986948087d8af7968e90de56ad7d7fd","source":{"kind":"arxiv","id":"1008.2156","version":2},"attestation_state":"computed","paper":{"title":"(0,2) Elephants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Ilarion V. Melnikov, M. Ronen Plesser, Paul S. Aspinwall","submitted_at":"2010-08-12T16:04:43Z","abstract_excerpt":"We enumerate massless E6 singlets for (0,2)-compactifications of the heterotic string on a Calabi-Yau threefold with the \"standard embedding\" in three distinct ways. In the large radius limit of the threefold, these singlets count deformations of the Calabi-Yau together with its tangent bundle. In the \"small-radius\" limit we apply Landau-Ginzburg methods. In the orbifold limit we use a combination of geometry and free field methods. In general these counts differ. We show how to identify states between these phases and how certain states vanish from the massless spectrum as one deforms the com"},"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":"1008.2156","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"hep-th","submitted_at":"2010-08-12T16:04:43Z","cross_cats_sorted":[],"title_canon_sha256":"567da9427c5380f454ae9f0772c2c198da5487ec406317025b73dccca3629d25","abstract_canon_sha256":"0506954833f45f850e902822181716185f6cc98383b8af2e98076a61df6bfae2"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:48.961650Z","signature_b64":"skG52aFBRhD7+Ds3qjpArL79EpHsKuk59qYoQo5PRLGNLvMYUan+/g7zz6eeD1sVLQ8l2Hyzp0Fozi01QnfqCw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"a8d838f022dc3be610f06559b45ef3f20986948087d8af7968e90de56ad7d7fd","last_reissued_at":"2026-05-18T02:05:48.960944Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:48.960944Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"(0,2) Elephants","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"hep-th","authors_text":"Ilarion V. Melnikov, M. Ronen Plesser, Paul S. Aspinwall","submitted_at":"2010-08-12T16:04:43Z","abstract_excerpt":"We enumerate massless E6 singlets for (0,2)-compactifications of the heterotic string on a Calabi-Yau threefold with the \"standard embedding\" in three distinct ways. In the large radius limit of the threefold, these singlets count deformations of the Calabi-Yau together with its tangent bundle. In the \"small-radius\" limit we apply Landau-Ginzburg methods. In the orbifold limit we use a combination of geometry and free field methods. In general these counts differ. We show how to identify states between these phases and how certain states vanish from the massless spectrum as one deforms the com"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2156","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":"1008.2156","created_at":"2026-05-18T02:05:48.961063+00:00"},{"alias_kind":"arxiv_version","alias_value":"1008.2156v2","created_at":"2026-05-18T02:05:48.961063+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2156","created_at":"2026-05-18T02:05:48.961063+00:00"},{"alias_kind":"pith_short_12","alias_value":"VDMDR4BC3Q56","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_16","alias_value":"VDMDR4BC3Q56MEHQ","created_at":"2026-05-18T12:26:15.391820+00:00"},{"alias_kind":"pith_short_8","alias_value":"VDMDR4BC","created_at":"2026-05-18T12:26:15.391820+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/VDMDR4BC3Q56MEHQMVM3IXXT6I","json":"https://pith.science/pith/VDMDR4BC3Q56MEHQMVM3IXXT6I.json","graph_json":"https://pith.science/api/pith-number/VDMDR4BC3Q56MEHQMVM3IXXT6I/graph.json","events_json":"https://pith.science/api/pith-number/VDMDR4BC3Q56MEHQMVM3IXXT6I/events.json","paper":"https://pith.science/paper/VDMDR4BC"},"agent_actions":{"view_html":"https://pith.science/pith/VDMDR4BC3Q56MEHQMVM3IXXT6I","download_json":"https://pith.science/pith/VDMDR4BC3Q56MEHQMVM3IXXT6I.json","view_paper":"https://pith.science/paper/VDMDR4BC","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1008.2156&json=true","fetch_graph":"https://pith.science/api/pith-number/VDMDR4BC3Q56MEHQMVM3IXXT6I/graph.json","fetch_events":"https://pith.science/api/pith-number/VDMDR4BC3Q56MEHQMVM3IXXT6I/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/VDMDR4BC3Q56MEHQMVM3IXXT6I/action/timestamp_anchor","attest_storage":"https://pith.science/pith/VDMDR4BC3Q56MEHQMVM3IXXT6I/action/storage_attestation","attest_author":"https://pith.science/pith/VDMDR4BC3Q56MEHQMVM3IXXT6I/action/author_attestation","sign_citation":"https://pith.science/pith/VDMDR4BC3Q56MEHQMVM3IXXT6I/action/citation_signature","submit_replication":"https://pith.science/pith/VDMDR4BC3Q56MEHQMVM3IXXT6I/action/replication_record"}},"created_at":"2026-05-18T02:05:48.961063+00:00","updated_at":"2026-05-18T02:05:48.961063+00:00"}