{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2010:XYHD7IROUIFGJMMBIO4PM5DAC4","short_pith_number":"pith:XYHD7IRO","canonical_record":{"source":{"id":"1008.2125","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-08-12T15:02:24Z","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"title_canon_sha256":"f87859e61510ad190e50456ad377aa962e62787a9f7abfe8d88c0c2497db96b2","abstract_canon_sha256":"9ee4cffaa18ed79d50c81d5296dd1dacfb9440a0594fa2b8d164cc4c12f77281"},"schema_version":"1.0"},"canonical_sha256":"be0e3fa22ea20a64b18143b8f674601728a33ad84afbdd94e6f9d334028af078","source":{"kind":"arxiv","id":"1008.2125","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2125","created_at":"2026-05-18T04:16:51Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2125v2","created_at":"2026-05-18T04:16:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2125","created_at":"2026-05-18T04:16:51Z"},{"alias_kind":"pith_short_12","alias_value":"XYHD7IROUIFG","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"XYHD7IROUIFGJMMB","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"XYHD7IRO","created_at":"2026-05-18T12:26:17Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2010:XYHD7IROUIFGJMMBIO4PM5DAC4","target":"record","payload":{"canonical_record":{"source":{"id":"1008.2125","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-08-12T15:02:24Z","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"title_canon_sha256":"f87859e61510ad190e50456ad377aa962e62787a9f7abfe8d88c0c2497db96b2","abstract_canon_sha256":"9ee4cffaa18ed79d50c81d5296dd1dacfb9440a0594fa2b8d164cc4c12f77281"},"schema_version":"1.0"},"canonical_sha256":"be0e3fa22ea20a64b18143b8f674601728a33ad84afbdd94e6f9d334028af078","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:16:51.748711Z","signature_b64":"hBZMKMo/AIB5aQte02pqYUhTUYL/KgNHKgaizDECkhYg3RLf4VjBPrFFEDhNDsWMLiegHQEaM6lSi+mlMZswCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"be0e3fa22ea20a64b18143b8f674601728a33ad84afbdd94e6f9d334028af078","last_reissued_at":"2026-05-18T04:16:51.748100Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:16:51.748100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1008.2125","source_version":2,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:16:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qIgAOBrzvNnRJ9L2IaNT7C6h+Gvh5H6kKkfBfqnwGTrp69b4Wtu8AMEYRcYNS2ckyum8tgdd7RXlGk9QOrOuAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:25:24.510770Z"},"content_sha256":"941ed20a573f10f93fa0347a3dd2486c8e4fed804756a5c83bdfe62111444068","schema_version":"1.0","event_id":"sha256:941ed20a573f10f93fa0347a3dd2486c8e4fed804756a5c83bdfe62111444068"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2010:XYHD7IROUIFGJMMBIO4PM5DAC4","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Step-like discontinuities in Bose-Einstein condensates and Hawking radiation: dispersion effects","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.quant-gas","hep-th"],"primary_cat":"gr-qc","authors_text":"Alessandro Fabbri, Carlos Mayoral, Massimiliano Rinaldi","submitted_at":"2010-08-12T15:02:24Z","abstract_excerpt":"In this paper we extend the hydrodynamic results of [1] and study, analytically, the propagation of Bogoliubov phonons on top of Bose-Einstein condensates with step-like discontinuities by taking into account dispersion effects. We focus on the Hawking signal in the density-density correlations in the formation of acoustic black hole-like configurations."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2125","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"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T04:16:51Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PNlZW9aSMMDRxMPVJwrL6o7LKsGbPgPAPyx8DOnEqf8nDsmXvgvVMUq6V75r4pdKA3Gc4pflMHnucErjvZlzCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T04:25:24.511303Z"},"content_sha256":"376679e0ca6792e33c2c04406def9464af99ad34bd4515e71e99bb64755df35b","schema_version":"1.0","event_id":"sha256:376679e0ca6792e33c2c04406def9464af99ad34bd4515e71e99bb64755df35b"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/XYHD7IROUIFGJMMBIO4PM5DAC4/bundle.json","state_url":"https://pith.science/pith/XYHD7IROUIFGJMMBIO4PM5DAC4/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/XYHD7IROUIFGJMMBIO4PM5DAC4/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":"2026-05-27T04:25:24Z","links":{"resolver":"https://pith.science/pith/XYHD7IROUIFGJMMBIO4PM5DAC4","bundle":"https://pith.science/pith/XYHD7IROUIFGJMMBIO4PM5DAC4/bundle.json","state":"https://pith.science/pith/XYHD7IROUIFGJMMBIO4PM5DAC4/state.json","well_known_bundle":"https://pith.science/.well-known/pith/XYHD7IROUIFGJMMBIO4PM5DAC4/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2010:XYHD7IROUIFGJMMBIO4PM5DAC4","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":"9ee4cffaa18ed79d50c81d5296dd1dacfb9440a0594fa2b8d164cc4c12f77281","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-08-12T15:02:24Z","title_canon_sha256":"f87859e61510ad190e50456ad377aa962e62787a9f7abfe8d88c0c2497db96b2"},"schema_version":"1.0","source":{"id":"1008.2125","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1008.2125","created_at":"2026-05-18T04:16:51Z"},{"alias_kind":"arxiv_version","alias_value":"1008.2125v2","created_at":"2026-05-18T04:16:51Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1008.2125","created_at":"2026-05-18T04:16:51Z"},{"alias_kind":"pith_short_12","alias_value":"XYHD7IROUIFG","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_16","alias_value":"XYHD7IROUIFGJMMB","created_at":"2026-05-18T12:26:17Z"},{"alias_kind":"pith_short_8","alias_value":"XYHD7IRO","created_at":"2026-05-18T12:26:17Z"}],"graph_snapshots":[{"event_id":"sha256:376679e0ca6792e33c2c04406def9464af99ad34bd4515e71e99bb64755df35b","target":"graph","created_at":"2026-05-18T04:16:51Z","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":"In this paper we extend the hydrodynamic results of [1] and study, analytically, the propagation of Bogoliubov phonons on top of Bose-Einstein condensates with step-like discontinuities by taking into account dispersion effects. We focus on the Hawking signal in the density-density correlations in the formation of acoustic black hole-like configurations.","authors_text":"Alessandro Fabbri, Carlos Mayoral, Massimiliano Rinaldi","cross_cats":["cond-mat.quant-gas","hep-th"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-08-12T15:02:24Z","title":"Step-like discontinuities in Bose-Einstein condensates and Hawking radiation: dispersion effects"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1008.2125","kind":"arxiv","version":2},"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":"sha256:941ed20a573f10f93fa0347a3dd2486c8e4fed804756a5c83bdfe62111444068","target":"record","created_at":"2026-05-18T04:16:51Z","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":"9ee4cffaa18ed79d50c81d5296dd1dacfb9440a0594fa2b8d164cc4c12f77281","cross_cats_sorted":["cond-mat.quant-gas","hep-th"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"gr-qc","submitted_at":"2010-08-12T15:02:24Z","title_canon_sha256":"f87859e61510ad190e50456ad377aa962e62787a9f7abfe8d88c0c2497db96b2"},"schema_version":"1.0","source":{"id":"1008.2125","kind":"arxiv","version":2}},"canonical_sha256":"be0e3fa22ea20a64b18143b8f674601728a33ad84afbdd94e6f9d334028af078","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"be0e3fa22ea20a64b18143b8f674601728a33ad84afbdd94e6f9d334028af078","first_computed_at":"2026-05-18T04:16:51.748100Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:16:51.748100Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"hBZMKMo/AIB5aQte02pqYUhTUYL/KgNHKgaizDECkhYg3RLf4VjBPrFFEDhNDsWMLiegHQEaM6lSi+mlMZswCg==","signature_status":"signed_v1","signed_at":"2026-05-18T04:16:51.748711Z","signed_message":"canonical_sha256_bytes"},"source_id":"1008.2125","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:941ed20a573f10f93fa0347a3dd2486c8e4fed804756a5c83bdfe62111444068","sha256:376679e0ca6792e33c2c04406def9464af99ad34bd4515e71e99bb64755df35b"],"state_sha256":"3f8fcb6519c8008493beb1c44d4cbc3bf26d53d9317ca870344f53cfee38616f"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RLvh0w5VC5QTZixMja73bK/YoHWLnHrrd1Ftp9AgxGT+U2fKuSenwjzMUES9ltyWs2+ppUzY9vizdyJ3ocSiCw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T04:25:24.515050Z","bundle_sha256":"e13ba0a5878f95c52c7f4f62bbc54c9fc645cbb172a5d0cbbcaa8ca1e959ca28"}}