{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2001:Z6WXIFXKQ2UMGCSCZQN46IAN6L","short_pith_number":"pith:Z6WXIFXK","schema_version":"1.0","canonical_sha256":"cfad7416ea86a8c30a42cc1bcf200df2c355d45d9884f1c6d7bb4326ddb784c1","source":{"kind":"arxiv","id":"hep-th/0104180","version":1},"attestation_state":"computed","paper":{"title":"String Theory and Quintessence","license":"","headline":"","cross_cats":["astro-ph","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Leonard Susskind, Nemanja Kaloper, Simeon Hellerman","submitted_at":"2001-04-23T17:57:34Z","abstract_excerpt":"We discuss the obstacles for defining a set of observable quantities analogous to an S-matrix which are needed to formulate string theory in an accelerating universe. We show that the quintessence models with the equations of state $-1 < w <-1/3$ have future horizons and may be no better suited to an S-matrix or S-vector description. We also show that in a class of theories with a stable supersymmetric vacuum, a system cannot relax into a zero-energy supersymmetric vacuum while accelerating if the evolution is dominated by a single scalar field with a stable potential. Thus describing an etern"},"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":"hep-th/0104180","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"hep-th","submitted_at":"2001-04-23T17:57:34Z","cross_cats_sorted":["astro-ph","gr-qc","hep-ph"],"title_canon_sha256":"4bfc5836f009e89dec69d8f2de20d895e5de7cbe11105a52ea605cc2cc6a53b1","abstract_canon_sha256":"57613233276802d19874fd37363bfde6ff5763c78534b418c0ab7b8fcccb0910"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-04T16:27:50.781764Z","signature_b64":"W+Hm16pV0EOTq/mw3OHE4to8eLibDanIu4aA30bJXc44WRyUgAWd2ja8fDJyLpU//wlL/Ajog97OMsCECpU3AQ==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"cfad7416ea86a8c30a42cc1bcf200df2c355d45d9884f1c6d7bb4326ddb784c1","last_reissued_at":"2026-07-04T16:27:50.781420Z","signature_status":"signed_v1","first_computed_at":"2026-07-04T16:27:50.781420Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"String Theory and Quintessence","license":"","headline":"","cross_cats":["astro-ph","gr-qc","hep-ph"],"primary_cat":"hep-th","authors_text":"Leonard Susskind, Nemanja Kaloper, Simeon Hellerman","submitted_at":"2001-04-23T17:57:34Z","abstract_excerpt":"We discuss the obstacles for defining a set of observable quantities analogous to an S-matrix which are needed to formulate string theory in an accelerating universe. We show that the quintessence models with the equations of state $-1 < w <-1/3$ have future horizons and may be no better suited to an S-matrix or S-vector description. We also show that in a class of theories with a stable supersymmetric vacuum, a system cannot relax into a zero-energy supersymmetric vacuum while accelerating if the evolution is dominated by a single scalar field with a stable potential. Thus describing an etern"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"hep-th/0104180","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/hep-th/0104180/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"},"aliases":[{"alias_kind":"arxiv","alias_value":"hep-th/0104180","created_at":"2026-07-04T16:27:50.781478+00:00"},{"alias_kind":"arxiv_version","alias_value":"hep-th/0104180v1","created_at":"2026-07-04T16:27:50.781478+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.hep-th/0104180","created_at":"2026-07-04T16:27:50.781478+00:00"},{"alias_kind":"pith_short_12","alias_value":"Z6WXIFXKQ2UM","created_at":"2026-07-04T16:27:50.781478+00:00"},{"alias_kind":"pith_short_16","alias_value":"Z6WXIFXKQ2UMGCSC","created_at":"2026-07-04T16:27:50.781478+00:00"},{"alias_kind":"pith_short_8","alias_value":"Z6WXIFXK","created_at":"2026-07-04T16:27:50.781478+00:00"}],"events":[],"event_summary":{},"paper_claims":[],"inbound_citations":{"count":1,"internal_anchor_count":1,"sample":[{"citing_arxiv_id":"2603.25797","citing_title":"Dark energy from string theory: an introductory review","ref_index":173,"is_internal_anchor":true}]},"formal_canon":{"evidence_count":0,"sample":[],"anchors":[]},"links":{"html":"https://pith.science/pith/Z6WXIFXKQ2UMGCSCZQN46IAN6L","json":"https://pith.science/pith/Z6WXIFXKQ2UMGCSCZQN46IAN6L.json","graph_json":"https://pith.science/api/pith-number/Z6WXIFXKQ2UMGCSCZQN46IAN6L/graph.json","events_json":"https://pith.science/api/pith-number/Z6WXIFXKQ2UMGCSCZQN46IAN6L/events.json","paper":"https://pith.science/paper/Z6WXIFXK"},"agent_actions":{"view_html":"https://pith.science/pith/Z6WXIFXKQ2UMGCSCZQN46IAN6L","download_json":"https://pith.science/pith/Z6WXIFXKQ2UMGCSCZQN46IAN6L.json","view_paper":"https://pith.science/paper/Z6WXIFXK","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=hep-th/0104180&json=true","fetch_graph":"https://pith.science/api/pith-number/Z6WXIFXKQ2UMGCSCZQN46IAN6L/graph.json","fetch_events":"https://pith.science/api/pith-number/Z6WXIFXKQ2UMGCSCZQN46IAN6L/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/Z6WXIFXKQ2UMGCSCZQN46IAN6L/action/timestamp_anchor","attest_storage":"https://pith.science/pith/Z6WXIFXKQ2UMGCSCZQN46IAN6L/action/storage_attestation","attest_author":"https://pith.science/pith/Z6WXIFXKQ2UMGCSCZQN46IAN6L/action/author_attestation","sign_citation":"https://pith.science/pith/Z6WXIFXKQ2UMGCSCZQN46IAN6L/action/citation_signature","submit_replication":"https://pith.science/pith/Z6WXIFXKQ2UMGCSCZQN46IAN6L/action/replication_record"}},"created_at":"2026-07-04T16:27:50.781478+00:00","updated_at":"2026-07-04T16:27:50.781478+00:00"}