{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:IHUPPW7WKRCZHXMUPWE4C3YSGK","short_pith_number":"pith:IHUPPW7W","canonical_record":{"source":{"id":"1502.07172","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-02-25T14:16:55Z","cross_cats_sorted":["cond-mat.stat-mech","physics.comp-ph"],"title_canon_sha256":"5c52f62e011d07f5d533d81973e7a8af3586a1635196c54ed598b6e6a93fc928","abstract_canon_sha256":"7b768dc1f41631085936901a0660b1709a31251f71e49e1777d43b2d11f45d7f"},"schema_version":"1.0"},"canonical_sha256":"41e8f7dbf6544593dd947d89c16f1232ac2a102a4323d479818682873e833ea9","source":{"kind":"arxiv","id":"1502.07172","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.07172","created_at":"2026-05-18T01:08:44Z"},{"alias_kind":"arxiv_version","alias_value":"1502.07172v1","created_at":"2026-05-18T01:08:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.07172","created_at":"2026-05-18T01:08:44Z"},{"alias_kind":"pith_short_12","alias_value":"IHUPPW7WKRCZ","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IHUPPW7WKRCZHXMU","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IHUPPW7W","created_at":"2026-05-18T12:29:25Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:IHUPPW7WKRCZHXMUPWE4C3YSGK","target":"record","payload":{"canonical_record":{"source":{"id":"1502.07172","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-02-25T14:16:55Z","cross_cats_sorted":["cond-mat.stat-mech","physics.comp-ph"],"title_canon_sha256":"5c52f62e011d07f5d533d81973e7a8af3586a1635196c54ed598b6e6a93fc928","abstract_canon_sha256":"7b768dc1f41631085936901a0660b1709a31251f71e49e1777d43b2d11f45d7f"},"schema_version":"1.0"},"canonical_sha256":"41e8f7dbf6544593dd947d89c16f1232ac2a102a4323d479818682873e833ea9","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:08:44.851904Z","signature_b64":"3gjKBLUdRuj9hnAKyu1z73aU2TbpWTYsWYobkUtYBvS+1nDzuRHiIQvzPrnYgYOU8NPCiWFatsS1qeBXyFLoBw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"41e8f7dbf6544593dd947d89c16f1232ac2a102a4323d479818682873e833ea9","last_reissued_at":"2026-05-18T01:08:44.851535Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:08:44.851535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1502.07172","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":"2026-05-18T01:08:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UQKzHdqtBIIOpC0ua8TRtZnkaXNZzAyrFGBJLi//EIaO2i6DWPSN9Nhij2JuoRGySfftmeOY/w5n3G+oFaGfAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:06:58.923686Z"},"content_sha256":"0fe5a0f069ec040e8e6bc0a8f04aaf32c3109645906f624aff92aefd5c160e56","schema_version":"1.0","event_id":"sha256:0fe5a0f069ec040e8e6bc0a8f04aaf32c3109645906f624aff92aefd5c160e56"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:IHUPPW7WKRCZHXMUPWE4C3YSGK","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Folding mechanism of a polymer chain with short-range attractions","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.stat-mech","physics.comp-ph"],"primary_cat":"cond-mat.soft","authors_text":"Christian Leitold, Christoph Dellago","submitted_at":"2015-02-25T14:16:55Z","abstract_excerpt":"We investigate the crystallization of a single, flexible homopolymer chain using transition path sampling (TPS). The chain consists of N identical spherical monomers evolved according to Langevin dynamics. While neighboring monomers are coupled via harmonic springs, the non-neighboring monomers interact via a hard core and a short-ranged attractive potential. For a sufficiently small interaction range {\\lambda}, the system undergoes a first-order freezing transition from an expanded, disordered phase to a compact crystalline state. Using a new shooting move tailored to polymers combined with a"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.07172","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":"2026-05-18T01:08:44Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"a8XZElY/oH6qRk1esTAafFUn7RRI7lAhGSDmYAUqF/LjjTzUii/BDPoilaBx4c5SqixCWBLwJdZsOrmNxbqLCg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-27T18:06:58.924029Z"},"content_sha256":"fadfe68d85b0c306bc8987a620e1ee83c50f7033cad855a40c4c92af95dae2ef","schema_version":"1.0","event_id":"sha256:fadfe68d85b0c306bc8987a620e1ee83c50f7033cad855a40c4c92af95dae2ef"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/IHUPPW7WKRCZHXMUPWE4C3YSGK/bundle.json","state_url":"https://pith.science/pith/IHUPPW7WKRCZHXMUPWE4C3YSGK/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/IHUPPW7WKRCZHXMUPWE4C3YSGK/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":"2026-05-27T18:06:58Z","links":{"resolver":"https://pith.science/pith/IHUPPW7WKRCZHXMUPWE4C3YSGK","bundle":"https://pith.science/pith/IHUPPW7WKRCZHXMUPWE4C3YSGK/bundle.json","state":"https://pith.science/pith/IHUPPW7WKRCZHXMUPWE4C3YSGK/state.json","well_known_bundle":"https://pith.science/.well-known/pith/IHUPPW7WKRCZHXMUPWE4C3YSGK/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:IHUPPW7WKRCZHXMUPWE4C3YSGK","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":"7b768dc1f41631085936901a0660b1709a31251f71e49e1777d43b2d11f45d7f","cross_cats_sorted":["cond-mat.stat-mech","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-02-25T14:16:55Z","title_canon_sha256":"5c52f62e011d07f5d533d81973e7a8af3586a1635196c54ed598b6e6a93fc928"},"schema_version":"1.0","source":{"id":"1502.07172","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1502.07172","created_at":"2026-05-18T01:08:44Z"},{"alias_kind":"arxiv_version","alias_value":"1502.07172v1","created_at":"2026-05-18T01:08:44Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1502.07172","created_at":"2026-05-18T01:08:44Z"},{"alias_kind":"pith_short_12","alias_value":"IHUPPW7WKRCZ","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_16","alias_value":"IHUPPW7WKRCZHXMU","created_at":"2026-05-18T12:29:25Z"},{"alias_kind":"pith_short_8","alias_value":"IHUPPW7W","created_at":"2026-05-18T12:29:25Z"}],"graph_snapshots":[{"event_id":"sha256:fadfe68d85b0c306bc8987a620e1ee83c50f7033cad855a40c4c92af95dae2ef","target":"graph","created_at":"2026-05-18T01:08:44Z","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 investigate the crystallization of a single, flexible homopolymer chain using transition path sampling (TPS). The chain consists of N identical spherical monomers evolved according to Langevin dynamics. While neighboring monomers are coupled via harmonic springs, the non-neighboring monomers interact via a hard core and a short-ranged attractive potential. For a sufficiently small interaction range {\\lambda}, the system undergoes a first-order freezing transition from an expanded, disordered phase to a compact crystalline state. Using a new shooting move tailored to polymers combined with a","authors_text":"Christian Leitold, Christoph Dellago","cross_cats":["cond-mat.stat-mech","physics.comp-ph"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-02-25T14:16:55Z","title":"Folding mechanism of a polymer chain with short-range attractions"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1502.07172","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":"sha256:0fe5a0f069ec040e8e6bc0a8f04aaf32c3109645906f624aff92aefd5c160e56","target":"record","created_at":"2026-05-18T01:08:44Z","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":"7b768dc1f41631085936901a0660b1709a31251f71e49e1777d43b2d11f45d7f","cross_cats_sorted":["cond-mat.stat-mech","physics.comp-ph"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2015-02-25T14:16:55Z","title_canon_sha256":"5c52f62e011d07f5d533d81973e7a8af3586a1635196c54ed598b6e6a93fc928"},"schema_version":"1.0","source":{"id":"1502.07172","kind":"arxiv","version":1}},"canonical_sha256":"41e8f7dbf6544593dd947d89c16f1232ac2a102a4323d479818682873e833ea9","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"41e8f7dbf6544593dd947d89c16f1232ac2a102a4323d479818682873e833ea9","first_computed_at":"2026-05-18T01:08:44.851535Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:08:44.851535Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"3gjKBLUdRuj9hnAKyu1z73aU2TbpWTYsWYobkUtYBvS+1nDzuRHiIQvzPrnYgYOU8NPCiWFatsS1qeBXyFLoBw==","signature_status":"signed_v1","signed_at":"2026-05-18T01:08:44.851904Z","signed_message":"canonical_sha256_bytes"},"source_id":"1502.07172","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0fe5a0f069ec040e8e6bc0a8f04aaf32c3109645906f624aff92aefd5c160e56","sha256:fadfe68d85b0c306bc8987a620e1ee83c50f7033cad855a40c4c92af95dae2ef"],"state_sha256":"2a120d906efa5adbb6ce18fc4cc9bd081c55b05a3a6121e44ca21f223033f010"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bB/FgZjQLTkmPrYX6PoMTH9/us5o8z/D8hRG1GQa5FC4EizjxqoXlm7qHMnEthycs8ILvazwtnNYGYyJtQ1vCA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-27T18:06:58.926768Z","bundle_sha256":"028bbded54c9ab4acbe2ea5e3af2d38b3efc2c606d12e82cddb3bb9428df9c8f"}}