{"record_type":"pith_number_record","schema_url":"https://pith.science/schemas/pith-number/v1.json","pith_number":"pith:2012:ZEGJYGYGWXZVQKWEPZDP3VTQ5B","short_pith_number":"pith:ZEGJYGYG","schema_version":"1.0","canonical_sha256":"c90c9c1b06b5f3582ac47e46fdd670e8491dfa2b1c3f39ba5f24dc3e9b71b69b","source":{"kind":"arxiv","id":"1208.3636","version":2},"attestation_state":"computed","paper":{"title":"An alternative singularity-free cosmological scenario from cusp geometries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Cristiano Strieder, Diego H. Stalder, Reinaldo R. Rosa","submitted_at":"2012-08-17T16:27:58Z","abstract_excerpt":"We study an alternative geometrical approach on the problem of classical cosmological singularity. It is based on a generalized function $f (x, y) = x^{2} + y^{2} = (1 - z)z^{n}$ which consists of a cusped coupled isosurface. Such a geometry is computed and discussed into the context of Friedmann singularity-free cosmology where a pre-big bang scenario is considered. Assuming that the mechanism of cusp formation is described by non-linear oscillations of a pre-big bang extended very high energy density field ($> 3 \\times 10^{94} kg/m^{3} $), we show that the action under the gravitational fiel"},"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":"1208.3636","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"astro-ph.CO","submitted_at":"2012-08-17T16:27:58Z","cross_cats_sorted":["gr-qc"],"title_canon_sha256":"e08933426cd9d3dc36fa0e23c82209b3e0915f23b365bd56f5a88d322b938818","abstract_canon_sha256":"29975578bd76e5e1a8439deac37ea11b243c9af4978a114bf9a74a4dc5826518"},"schema_version":"1.0"},"receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:55:09.734809Z","signature_b64":"jzBaVs0D8KdFV+87teg8HAfXh0Sc+hro8sYx9BxM2hrEC3MSo9nPVMLbcIfhAhWijTWnzObofDVzo96rGgP2Bw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"c90c9c1b06b5f3582ac47e46fdd670e8491dfa2b1c3f39ba5f24dc3e9b71b69b","last_reissued_at":"2026-05-18T01:55:09.734302Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:55:09.734302Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"graph_snapshot":{"paper":{"title":"An alternative singularity-free cosmological scenario from cusp geometries","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["gr-qc"],"primary_cat":"astro-ph.CO","authors_text":"Cristiano Strieder, Diego H. Stalder, Reinaldo R. Rosa","submitted_at":"2012-08-17T16:27:58Z","abstract_excerpt":"We study an alternative geometrical approach on the problem of classical cosmological singularity. It is based on a generalized function $f (x, y) = x^{2} + y^{2} = (1 - z)z^{n}$ which consists of a cusped coupled isosurface. Such a geometry is computed and discussed into the context of Friedmann singularity-free cosmology where a pre-big bang scenario is considered. Assuming that the mechanism of cusp formation is described by non-linear oscillations of a pre-big bang extended very high energy density field ($> 3 \\times 10^{94} kg/m^{3} $), we show that the action under the gravitational fiel"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1208.3636","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"},"aliases":[{"alias_kind":"arxiv","alias_value":"1208.3636","created_at":"2026-05-18T01:55:09.734405+00:00"},{"alias_kind":"arxiv_version","alias_value":"1208.3636v2","created_at":"2026-05-18T01:55:09.734405+00:00"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1208.3636","created_at":"2026-05-18T01:55:09.734405+00:00"},{"alias_kind":"pith_short_12","alias_value":"ZEGJYGYGWXZV","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_16","alias_value":"ZEGJYGYGWXZVQKWE","created_at":"2026-05-18T12:27:30.460161+00:00"},{"alias_kind":"pith_short_8","alias_value":"ZEGJYGYG","created_at":"2026-05-18T12:27:30.460161+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/ZEGJYGYGWXZVQKWEPZDP3VTQ5B","json":"https://pith.science/pith/ZEGJYGYGWXZVQKWEPZDP3VTQ5B.json","graph_json":"https://pith.science/api/pith-number/ZEGJYGYGWXZVQKWEPZDP3VTQ5B/graph.json","events_json":"https://pith.science/api/pith-number/ZEGJYGYGWXZVQKWEPZDP3VTQ5B/events.json","paper":"https://pith.science/paper/ZEGJYGYG"},"agent_actions":{"view_html":"https://pith.science/pith/ZEGJYGYGWXZVQKWEPZDP3VTQ5B","download_json":"https://pith.science/pith/ZEGJYGYGWXZVQKWEPZDP3VTQ5B.json","view_paper":"https://pith.science/paper/ZEGJYGYG","resolve_alias":"https://pith.science/api/pith-number/resolve?arxiv=1208.3636&json=true","fetch_graph":"https://pith.science/api/pith-number/ZEGJYGYGWXZVQKWEPZDP3VTQ5B/graph.json","fetch_events":"https://pith.science/api/pith-number/ZEGJYGYGWXZVQKWEPZDP3VTQ5B/events.json","actions":{"anchor_timestamp":"https://pith.science/pith/ZEGJYGYGWXZVQKWEPZDP3VTQ5B/action/timestamp_anchor","attest_storage":"https://pith.science/pith/ZEGJYGYGWXZVQKWEPZDP3VTQ5B/action/storage_attestation","attest_author":"https://pith.science/pith/ZEGJYGYGWXZVQKWEPZDP3VTQ5B/action/author_attestation","sign_citation":"https://pith.science/pith/ZEGJYGYGWXZVQKWEPZDP3VTQ5B/action/citation_signature","submit_replication":"https://pith.science/pith/ZEGJYGYGWXZVQKWEPZDP3VTQ5B/action/replication_record"}},"created_at":"2026-05-18T01:55:09.734405+00:00","updated_at":"2026-05-18T01:55:09.734405+00:00"}