{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2016:7YMXINSCEJW4LGHGMESHWHNZGT","short_pith_number":"pith:7YMXINSC","canonical_record":{"source":{"id":"1603.07898","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-03-25T12:58:21Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"title_canon_sha256":"204d62a2492e5f912acb349ea8ce6a4ea304e20cf3c679cb6a8248579c5722ac","abstract_canon_sha256":"ea3130734451ce79aaf4a460feb5bb35c0b8a2bea4720d8b6e60508deae72da6"},"schema_version":"1.0"},"canonical_sha256":"fe19743642226dc598e661247b1db934ce2db4b86fbddc9544178d504b2acee3","source":{"kind":"arxiv","id":"1603.07898","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.07898","created_at":"2026-05-18T01:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"1603.07898v1","created_at":"2026-05-18T01:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.07898","created_at":"2026-05-18T01:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"7YMXINSCEJW4","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7YMXINSCEJW4LGHG","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7YMXINSC","created_at":"2026-05-18T12:30:04Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2016:7YMXINSCEJW4LGHGMESHWHNZGT","target":"record","payload":{"canonical_record":{"source":{"id":"1603.07898","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-03-25T12:58:21Z","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"title_canon_sha256":"204d62a2492e5f912acb349ea8ce6a4ea304e20cf3c679cb6a8248579c5722ac","abstract_canon_sha256":"ea3130734451ce79aaf4a460feb5bb35c0b8a2bea4720d8b6e60508deae72da6"},"schema_version":"1.0"},"canonical_sha256":"fe19743642226dc598e661247b1db934ce2db4b86fbddc9544178d504b2acee3","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:18:15.933929Z","signature_b64":"fYKZzMku3vYinEL5Y2frbipY5AZUDt+TtP6VvxHFiXQLB9T5mxPczcfebMS//BliquLv3t0rIfIQjmuhpZehAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"fe19743642226dc598e661247b1db934ce2db4b86fbddc9544178d504b2acee3","last_reissued_at":"2026-05-18T01:18:15.933215Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:18:15.933215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1603.07898","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":"2026-05-18T01:18:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"qBYJ7BLqIFAtSs1drwL62f5E1VDKCoLEvH/1mM4aMm+Z/jhF/G5lf5WALYoVU0rj1CLbYWD9CdwiEbQKFA5vCQ==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T10:19:51.899829Z"},"content_sha256":"b603070ebb2e9f7dc679a0f4b9c958505c77be465d26875021a3c3f9e623b9ff","schema_version":"1.0","event_id":"sha256:b603070ebb2e9f7dc679a0f4b9c958505c77be465d26875021a3c3f9e623b9ff"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2016:7YMXINSCEJW4LGHGMESHWHNZGT","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Note: Sound velocity of a soft sphere model near the fluid-solid phase transition","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mtrl-sci","physics.chem-ph"],"primary_cat":"cond-mat.soft","authors_text":"Sergey A. Khrapak","submitted_at":"2016-03-25T12:58:21Z","abstract_excerpt":"The quasilocalized charge approximation is applied to estimate the sound velocity of simple soft sphere fluid with the repulsive inverse-power-law interaction. The obtained results are discussed in the context of the sound velocity of the hard-sphere system and of liquid metals at the melting temperature."},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.07898","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":"2026-05-18T01:18:15Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"RAZ9DL1V9g00PPJo6hgoFkp3VPva/bCTVxBCWUCGipzFcKCN+/0szUts+UrNfgyasRdnu1NheYqsZJ4/3VwQCw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T10:19:51.900174Z"},"content_sha256":"e8bdde35ae6838f03949b0d30d4bbfabfcdf0dba11f4eb4f9b76c0775f5c3ff7","schema_version":"1.0","event_id":"sha256:e8bdde35ae6838f03949b0d30d4bbfabfcdf0dba11f4eb4f9b76c0775f5c3ff7"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/7YMXINSCEJW4LGHGMESHWHNZGT/bundle.json","state_url":"https://pith.science/pith/7YMXINSCEJW4LGHGMESHWHNZGT/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/7YMXINSCEJW4LGHGMESHWHNZGT/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":"2026-06-26T10:19:51Z","links":{"resolver":"https://pith.science/pith/7YMXINSCEJW4LGHGMESHWHNZGT","bundle":"https://pith.science/pith/7YMXINSCEJW4LGHGMESHWHNZGT/bundle.json","state":"https://pith.science/pith/7YMXINSCEJW4LGHGMESHWHNZGT/state.json","well_known_bundle":"https://pith.science/.well-known/pith/7YMXINSCEJW4LGHGMESHWHNZGT/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2016:7YMXINSCEJW4LGHGMESHWHNZGT","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":"ea3130734451ce79aaf4a460feb5bb35c0b8a2bea4720d8b6e60508deae72da6","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-03-25T12:58:21Z","title_canon_sha256":"204d62a2492e5f912acb349ea8ce6a4ea304e20cf3c679cb6a8248579c5722ac"},"schema_version":"1.0","source":{"id":"1603.07898","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1603.07898","created_at":"2026-05-18T01:18:15Z"},{"alias_kind":"arxiv_version","alias_value":"1603.07898v1","created_at":"2026-05-18T01:18:15Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1603.07898","created_at":"2026-05-18T01:18:15Z"},{"alias_kind":"pith_short_12","alias_value":"7YMXINSCEJW4","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_16","alias_value":"7YMXINSCEJW4LGHG","created_at":"2026-05-18T12:30:04Z"},{"alias_kind":"pith_short_8","alias_value":"7YMXINSC","created_at":"2026-05-18T12:30:04Z"}],"graph_snapshots":[{"event_id":"sha256:e8bdde35ae6838f03949b0d30d4bbfabfcdf0dba11f4eb4f9b76c0775f5c3ff7","target":"graph","created_at":"2026-05-18T01:18:15Z","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":"The quasilocalized charge approximation is applied to estimate the sound velocity of simple soft sphere fluid with the repulsive inverse-power-law interaction. The obtained results are discussed in the context of the sound velocity of the hard-sphere system and of liquid metals at the melting temperature.","authors_text":"Sergey A. Khrapak","cross_cats":["cond-mat.mtrl-sci","physics.chem-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-03-25T12:58:21Z","title":"Note: Sound velocity of a soft sphere model near the fluid-solid phase transition"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1603.07898","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:b603070ebb2e9f7dc679a0f4b9c958505c77be465d26875021a3c3f9e623b9ff","target":"record","created_at":"2026-05-18T01:18:15Z","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":"ea3130734451ce79aaf4a460feb5bb35c0b8a2bea4720d8b6e60508deae72da6","cross_cats_sorted":["cond-mat.mtrl-sci","physics.chem-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2016-03-25T12:58:21Z","title_canon_sha256":"204d62a2492e5f912acb349ea8ce6a4ea304e20cf3c679cb6a8248579c5722ac"},"schema_version":"1.0","source":{"id":"1603.07898","kind":"arxiv","version":1}},"canonical_sha256":"fe19743642226dc598e661247b1db934ce2db4b86fbddc9544178d504b2acee3","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"fe19743642226dc598e661247b1db934ce2db4b86fbddc9544178d504b2acee3","first_computed_at":"2026-05-18T01:18:15.933215Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:18:15.933215Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"fYKZzMku3vYinEL5Y2frbipY5AZUDt+TtP6VvxHFiXQLB9T5mxPczcfebMS//BliquLv3t0rIfIQjmuhpZehAA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:18:15.933929Z","signed_message":"canonical_sha256_bytes"},"source_id":"1603.07898","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b603070ebb2e9f7dc679a0f4b9c958505c77be465d26875021a3c3f9e623b9ff","sha256:e8bdde35ae6838f03949b0d30d4bbfabfcdf0dba11f4eb4f9b76c0775f5c3ff7"],"state_sha256":"3cee699d39e4ddb46d430d2c4d1c4e8ec389908870a15b8881c2e1035278a207"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"XQesFNBHIzl0FvccHMEMS6W5xcu1/5DlIP5tZPW6fVpw2R5rV7+pLz+ygxGpxhlwFNGebvGjpsPKwEntRsTyBw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T10:19:51.902124Z","bundle_sha256":"3ae408cfed9569e9a6f5140af9d1995a8f04c8fd14b4ea57967825c866f5e216"}}