{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2017:IWKRFS5SNZSHO3H766AXVSFCOQ","short_pith_number":"pith:IWKRFS5S","schema_version":"1.0","canonical_sha256":"459512cbb26e64776cfff7817ac8a274114fe97765f5715e6ebd82a672bf9ae2","source":{"kind":"arxiv","id":"1704.00900","version":1},"attestation_state":"computed","paper":{"title":"Instabilities of jammed packings of frictionless spheres under compression","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Andrea J. Liu, Ning Xu, Sidney R. Nagel","submitted_at":"2017-04-04T07:27:21Z","abstract_excerpt":"We consider the contribution to the density of vibrational states and the distribution of energy barrier heights of incipient instabilities in a glass modeled by a jammed packing of spheres. On approaching an instability, the frequency of a normal mode and the height of the energy barrier to cross into a new ground state both vanish. These instabilities produce a contribution to the density of vibrational states that scales as $\\omega^3$ at low frequencies $\\omega$, but which vanishes in the thermodynamic limit. In addition, they affect an anharmonic property, the distribution of energy barrie"},"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":"1704.00900","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-04-04T07:27:21Z","cross_cats_sorted":[],"title_canon_sha256":"1d36450790fc695ab15c36179692a106dea82ac4d3bd96de61a42d8836b3187e","abstract_canon_sha256":"43458e92785f72e8c93818492ebf2236beb17d5cb97140ac59adc1c3647dd875"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:29:46.234371Z","signature_b64":"qhN5tVNr9iaXMqzHs/lkFX6otVx5r8sZUNRoGrd5tePCyq82cB5uDxvUGCaB4bQCehGBuMhZMPN6Ex2XD7blAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"459512cbb26e64776cfff7817ac8a274114fe97765f5715e6ebd82a672bf9ae2","last_reissued_at":"2026-05-18T00:29:46.233874Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:29:46.233874Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"Instabilities of jammed packings of frictionless spheres under compression","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Andrea J. Liu, Ning Xu, Sidney R. Nagel","submitted_at":"2017-04-04T07:27:21Z","abstract_excerpt":"We consider the contribution to the density of vibrational states and the distribution of energy barrier heights of incipient instabilities in a glass modeled by a jammed packing of spheres. On approaching an instability, the frequency of a normal mode and the height of the energy barrier to cross into a new ground state both vanish. These instabilities produce a contribution to the density of vibrational states that scales as $\\omega^3$ at low frequencies $\\omega$, but which vanishes in the thermodynamic limit. In addition, they affect an anharmonic property, the distribution of energy barrie"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1704.00900","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1704.00900","created_at":"2026-05-18T00:29:46.233953+00:00"},{"alias_kind":"arxiv_version","alias_value":"1704.00900v1","created_at":"2026-05-18T00:29:46.233953+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1704.00900","created_at":"2026-05-18T00:29:46.233953+00:00"},{"alias_kind":"pith_short_12","alias_value":"IWKRFS5SNZSH","created_at":"2026-05-18T12:31:21.493067+00:00"},{"alias_kind":"pith_short_16","alias_value":"IWKRFS5SNZSHO3H7","created_at":"2026-05-18T12:31:21.493067+00:00"},{"alias_kind":"pith_short_8","alias_value":"IWKRFS5S","created_at":"2026-05-18T12:31:21.493067+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/IWKRFS5SNZSHO3H766AXVSFCOQ","json":"https://pith.science/pith/IWKRFS5SNZSHO3H766AXVSFCOQ.json","graph_json":"https://pith.science/api/pith-number/IWKRFS5SNZSHO3H766AXVSFCOQ/graph.json","events_json":"https://pith.science/api/pith-number/IWKRFS5SNZSHO3H766AXVSFCOQ/events.json","paper":"https://pith.science/paper/IWKRFS5S"},"agent_actions":{"view_html":"https://pith.science/pith/IWKRFS5SNZSHO3H766AXVSFCOQ","download_json":"https://pith.science/pith/IWKRFS5SNZSHO3H766AXVSFCOQ.json","view_paper":"https://pith.science/paper/IWKRFS5S","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1704.00900&json=true","fetch_graph":"https://pith.science/api/pith-number/IWKRFS5SNZSHO3H766AXVSFCOQ/graph.json","fetch_events":"https://pith.science/api/pith-number/IWKRFS5SNZSHO3H766AXVSFCOQ/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/IWKRFS5SNZSHO3H766AXVSFCOQ/action/timestamp_anchor","attest_storage":"https://pith.science/pith/IWKRFS5SNZSHO3H766AXVSFCOQ/action/storage_attestation","attest_author":"https://pith.science/pith/IWKRFS5SNZSHO3H766AXVSFCOQ/action/author_attestation","sign_citation":"https://pith.science/pith/IWKRFS5SNZSHO3H766AXVSFCOQ/action/citation_signature","submit_replication":"https://pith.science/pith/IWKRFS5SNZSHO3H766AXVSFCOQ/action/replication_record"}},"created_at":"2026-05-18T00:29:46.233953+00:00","updated_at":"2026-05-18T00:29:46.233953+00:00"}