{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:7ZD2KH7GNQEPG6KDFKRIZWUGWH","short_pith_number":"pith:7ZD2KH7G","canonical_record":{"source":{"id":"1008.1844","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2010-08-11T07:27:09Z","cross_cats_sorted":[],"title_canon_sha256":"c3bf8e048b83552edfbbc00d663a0dca441da87267bb1bda07f4ca4c7bb14237","abstract_canon_sha256":"bb71e0a35327f34eeeeb05c8f5701f58ab451bf3261dfdfba0d4fff9950829fd"},"schema_version":"1.0"},"canonical_sha256":"fe47a51fe66c08f379432aa28cda86b1eaf6ce9b87ecc54959bae3e184945672","source":{"kind":"arxiv","id":"1008.1844","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1844","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1844v1","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1844","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"7ZD2KH7GNQEP","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"7ZD2KH7GNQEPG6KD","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"7ZD2KH7G","created_at":"2026-05-18T12:26:05Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:7ZD2KH7GNQEPG6KDFKRIZWUGWH","target":"record","payload":{"canonical_record":{"source":{"id":"1008.1844","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2010-08-11T07:27:09Z","cross_cats_sorted":[],"title_canon_sha256":"c3bf8e048b83552edfbbc00d663a0dca441da87267bb1bda07f4ca4c7bb14237","abstract_canon_sha256":"bb71e0a35327f34eeeeb05c8f5701f58ab451bf3261dfdfba0d4fff9950829fd"},"schema_version":"1.0"},"canonical_sha256":"fe47a51fe66c08f379432aa28cda86b1eaf6ce9b87ecc54959bae3e184945672","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T02:05:49.509541Z","signature_b64":"D0G7ySb65RX78+cFKsfjPp/Qh8oPusZ31EpAUxhUBwH+9YIhwaPcsdiQYFLoM7px2RKVb5FU8KTgTSI4oyjgBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe47a51fe66c08f379432aa28cda86b1eaf6ce9b87ecc54959bae3e184945672","last_reissued_at":"2026-05-18T02:05:49.508916Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T02:05:49.508916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.1844","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":"2026-05-18T02:05:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ltzmOjgJFpjxc/4sTpH6p+fHZshzK/CK5+LKy/NgdQGXl4G1aVCv3SCn7p4+HkRH9+5Z/WySwiMqaw90AhQuCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:51:00.146516Z"},"content_sha256":"150e062354f79ef2b86cb7ed5f17d84b84da075ca005ff79dbcb73bdf4d507a1","schema_version":"1.0","event_id":"sha256:150e062354f79ef2b86cb7ed5f17d84b84da075ca005ff79dbcb73bdf4d507a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:7ZD2KH7GNQEPG6KDFKRIZWUGWH","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Poor man's derivation of the Bethe-Ansatz equations for the Dicke model","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.other","authors_text":"Daniel Loss, Jan von Delft, Oleksandr Tsyplyatyev","submitted_at":"2010-08-11T07:27:09Z","abstract_excerpt":"We present an elementary derivation of the exact solution (Bethe-Ansatz equations) of the Dicke model, using only commutation relations and an informed Ansatz for the structure of its eigenstates."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1844","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":"2026-05-18T02:05:49Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"gAGiAgDbBN3XvCWinI2+fYXDhmj9xZ57afc5OFNDB1UIg7CoJIkBsecS7NT2jh4C8jhZg9OUzB0mnzonjCP6DA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-07T07:51:00.147185Z"},"content_sha256":"ee185304730c506f10df5c31c1a421d15cba6c62d5a8098a42d58b6239161661","schema_version":"1.0","event_id":"sha256:ee185304730c506f10df5c31c1a421d15cba6c62d5a8098a42d58b6239161661"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7ZD2KH7GNQEPG6KDFKRIZWUGWH/bundle.json","state_url":"https://pith.science/pith/7ZD2KH7GNQEPG6KDFKRIZWUGWH/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7ZD2KH7GNQEPG6KDFKRIZWUGWH/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":"2026-06-07T07:51:00Z","links":{"resolver":"https://pith.science/pith/7ZD2KH7GNQEPG6KDFKRIZWUGWH","bundle":"https://pith.science/pith/7ZD2KH7GNQEPG6KDFKRIZWUGWH/bundle.json","state":"https://pith.science/pith/7ZD2KH7GNQEPG6KDFKRIZWUGWH/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7ZD2KH7GNQEPG6KDFKRIZWUGWH/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:7ZD2KH7GNQEPG6KDFKRIZWUGWH","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":"bb71e0a35327f34eeeeb05c8f5701f58ab451bf3261dfdfba0d4fff9950829fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2010-08-11T07:27:09Z","title_canon_sha256":"c3bf8e048b83552edfbbc00d663a0dca441da87267bb1bda07f4ca4c7bb14237"},"schema_version":"1.0","source":{"id":"1008.1844","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.1844","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"arxiv_version","alias_value":"1008.1844v1","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.1844","created_at":"2026-05-18T02:05:49Z"},{"alias_kind":"pith_short_12","alias_value":"7ZD2KH7GNQEP","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_16","alias_value":"7ZD2KH7GNQEPG6KD","created_at":"2026-05-18T12:26:05Z"},{"alias_kind":"pith_short_8","alias_value":"7ZD2KH7G","created_at":"2026-05-18T12:26:05Z"}],"graph_snapshots":[{"event_id":"sha256:ee185304730c506f10df5c31c1a421d15cba6c62d5a8098a42d58b6239161661","target":"graph","created_at":"2026-05-18T02:05:49Z","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":"We present an elementary derivation of the exact solution (Bethe-Ansatz equations) of the Dicke model, using only commutation relations and an informed Ansatz for the structure of its eigenstates.","authors_text":"Daniel Loss, Jan von Delft, Oleksandr Tsyplyatyev","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2010-08-11T07:27:09Z","title":"Poor man's derivation of the Bethe-Ansatz equations for the Dicke model"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.1844","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":"sha256:150e062354f79ef2b86cb7ed5f17d84b84da075ca005ff79dbcb73bdf4d507a1","target":"record","created_at":"2026-05-18T02:05:49Z","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":"bb71e0a35327f34eeeeb05c8f5701f58ab451bf3261dfdfba0d4fff9950829fd","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.other","submitted_at":"2010-08-11T07:27:09Z","title_canon_sha256":"c3bf8e048b83552edfbbc00d663a0dca441da87267bb1bda07f4ca4c7bb14237"},"schema_version":"1.0","source":{"id":"1008.1844","kind":"arxiv","version":1}},"canonical_sha256":"fe47a51fe66c08f379432aa28cda86b1eaf6ce9b87ecc54959bae3e184945672","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe47a51fe66c08f379432aa28cda86b1eaf6ce9b87ecc54959bae3e184945672","first_computed_at":"2026-05-18T02:05:49.508916Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T02:05:49.508916Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"D0G7ySb65RX78+cFKsfjPp/Qh8oPusZ31EpAUxhUBwH+9YIhwaPcsdiQYFLoM7px2RKVb5FU8KTgTSI4oyjgBg==","signature_status":"signed_v1","signed_at":"2026-05-18T02:05:49.509541Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.1844","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:150e062354f79ef2b86cb7ed5f17d84b84da075ca005ff79dbcb73bdf4d507a1","sha256:ee185304730c506f10df5c31c1a421d15cba6c62d5a8098a42d58b6239161661"],"state_sha256":"301709f8e45228d8d8dfcb032e5fdfc57c844f091a12acb4420bd2397bbf8e3b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HZ7XaBNkkFlNkZ+GevBDWFVSBhXHlNJ4uR4z7S4NMNCHvrwyQ2xPcRRWJ+IccR8LVjUC9o1deUwSWTAwKMa1DA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-07T07:51:00.150960Z","bundle_sha256":"0dc116f5afd39e55eb8344b4c9bebc5d54e0c4a76d2de29b835c3446c71556fc"}}