{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:KRWEAAZD6F6DXMUNMR6ZD5XPJC","short_pith_number":"pith:KRWEAAZD","canonical_record":{"source":{"id":"1712.05265","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-12-14T14:59:10Z","cross_cats_sorted":[],"title_canon_sha256":"7cbb069591584d791e88173abaa9967b1aedc082c048bdae6c37c94567e369e6","abstract_canon_sha256":"7d2ef60ae41085aeb1cf6d170d994516e7ef992dded0c00cc9070ed3112cf6e3"},"schema_version":"1.0"},"canonical_sha256":"546c400323f17c3bb28d647d91f6ef488b69833a0fc5689f31001a63c3ecabce","source":{"kind":"arxiv","id":"1712.05265","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05265","created_at":"2026-05-18T00:22:10Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05265v2","created_at":"2026-05-18T00:22:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05265","created_at":"2026-05-18T00:22:10Z"},{"alias_kind":"pith_short_12","alias_value":"KRWEAAZD6F6D","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"KRWEAAZD6F6DXMUN","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"KRWEAAZD","created_at":"2026-05-18T12:31:28Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:KRWEAAZD6F6DXMUNMR6ZD5XPJC","target":"record","payload":{"canonical_record":{"source":{"id":"1712.05265","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-12-14T14:59:10Z","cross_cats_sorted":[],"title_canon_sha256":"7cbb069591584d791e88173abaa9967b1aedc082c048bdae6c37c94567e369e6","abstract_canon_sha256":"7d2ef60ae41085aeb1cf6d170d994516e7ef992dded0c00cc9070ed3112cf6e3"},"schema_version":"1.0"},"canonical_sha256":"546c400323f17c3bb28d647d91f6ef488b69833a0fc5689f31001a63c3ecabce","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:22:10.466806Z","signature_b64":"ene03tZSWKzXcCo82eWxzrXDbXOniiqQzB9F3I0W04oNvXZ8v4T+nd+FHx7Pkw1cfr5MjU35ggiJUmQAqm+DBg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"546c400323f17c3bb28d647d91f6ef488b69833a0fc5689f31001a63c3ecabce","last_reissued_at":"2026-05-18T00:22:10.466254Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:22:10.466254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1712.05265","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":"2026-05-18T00:22:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"MO/eu9jdDZl1f7PUMm8uBEEbi/P3ka3wRx6Xx3P1W/Dj9VaC39vFXn4GMp+3Q0m0OYEoyJQ89sXTa/0CvTqxDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T11:41:07.133833Z"},"content_sha256":"0eea699213f78d39eabd75802371e2bc4192dbd77776c2f4954ebaa39d76ec7f","schema_version":"1.0","event_id":"sha256:0eea699213f78d39eabd75802371e2bc4192dbd77776c2f4954ebaa39d76ec7f"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:KRWEAAZD6F6DXMUNMR6ZD5XPJC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Phase transitions in single macromolecules: loop-stretch transition versus loop adsorption transition in end-grafted polymer chains","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alexander M. Skvortsov, Dadong Yan, Friederike Schmid, Leonid I. Klushin, Shuangshuang Zhang, Shuanhu Qi","submitted_at":"2017-12-14T14:59:10Z","abstract_excerpt":"We use Brownian dynamics simulations and analytical theory to compare two prominent types of single molecule transitions. One is the adsorption transition of a loop (a chain with two ends bound to an attractive substrate) driven by an attraction parameter $\\varepsilon$, and the other is the loop-stretch transition in a chain with one end attached to a repulsive substrate, driven by an external end-force $F$ applied to the free end. Specifically, we compare the behavior of the respective order parameters of the transitions, i.e., the mean number of surface contacts in the case of the adsorption"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05265","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":"2026-05-18T00:22:10Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"lm7H1b8rwEX65Vd0Xf6I8SKVgXVxKPDVM2cgbSB/3x9LvprgV51r7klQstDyXWfYnlDDIvRsFBPlXWN3c38lDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-05-24T11:41:07.134232Z"},"content_sha256":"796204d8989adc96ccbb402da4cf1950b584075eea5d610c4eb87cc54e91968c","schema_version":"1.0","event_id":"sha256:796204d8989adc96ccbb402da4cf1950b584075eea5d610c4eb87cc54e91968c"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/KRWEAAZD6F6DXMUNMR6ZD5XPJC/bundle.json","state_url":"https://pith.science/pith/KRWEAAZD6F6DXMUNMR6ZD5XPJC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/KRWEAAZD6F6DXMUNMR6ZD5XPJC/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":"2026-05-24T11:41:07Z","links":{"resolver":"https://pith.science/pith/KRWEAAZD6F6DXMUNMR6ZD5XPJC","bundle":"https://pith.science/pith/KRWEAAZD6F6DXMUNMR6ZD5XPJC/bundle.json","state":"https://pith.science/pith/KRWEAAZD6F6DXMUNMR6ZD5XPJC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/KRWEAAZD6F6DXMUNMR6ZD5XPJC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:KRWEAAZD6F6DXMUNMR6ZD5XPJC","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":"7d2ef60ae41085aeb1cf6d170d994516e7ef992dded0c00cc9070ed3112cf6e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-12-14T14:59:10Z","title_canon_sha256":"7cbb069591584d791e88173abaa9967b1aedc082c048bdae6c37c94567e369e6"},"schema_version":"1.0","source":{"id":"1712.05265","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1712.05265","created_at":"2026-05-18T00:22:10Z"},{"alias_kind":"arxiv_version","alias_value":"1712.05265v2","created_at":"2026-05-18T00:22:10Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1712.05265","created_at":"2026-05-18T00:22:10Z"},{"alias_kind":"pith_short_12","alias_value":"KRWEAAZD6F6D","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_16","alias_value":"KRWEAAZD6F6DXMUN","created_at":"2026-05-18T12:31:28Z"},{"alias_kind":"pith_short_8","alias_value":"KRWEAAZD","created_at":"2026-05-18T12:31:28Z"}],"graph_snapshots":[{"event_id":"sha256:796204d8989adc96ccbb402da4cf1950b584075eea5d610c4eb87cc54e91968c","target":"graph","created_at":"2026-05-18T00:22:10Z","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 use Brownian dynamics simulations and analytical theory to compare two prominent types of single molecule transitions. One is the adsorption transition of a loop (a chain with two ends bound to an attractive substrate) driven by an attraction parameter $\\varepsilon$, and the other is the loop-stretch transition in a chain with one end attached to a repulsive substrate, driven by an external end-force $F$ applied to the free end. Specifically, we compare the behavior of the respective order parameters of the transitions, i.e., the mean number of surface contacts in the case of the adsorption","authors_text":"Alexander M. Skvortsov, Dadong Yan, Friederike Schmid, Leonid I. Klushin, Shuangshuang Zhang, Shuanhu Qi","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-12-14T14:59:10Z","title":"Phase transitions in single macromolecules: loop-stretch transition versus loop adsorption transition in end-grafted polymer chains"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1712.05265","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":"sha256:0eea699213f78d39eabd75802371e2bc4192dbd77776c2f4954ebaa39d76ec7f","target":"record","created_at":"2026-05-18T00:22:10Z","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":"7d2ef60ae41085aeb1cf6d170d994516e7ef992dded0c00cc9070ed3112cf6e3","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-12-14T14:59:10Z","title_canon_sha256":"7cbb069591584d791e88173abaa9967b1aedc082c048bdae6c37c94567e369e6"},"schema_version":"1.0","source":{"id":"1712.05265","kind":"arxiv","version":2}},"canonical_sha256":"546c400323f17c3bb28d647d91f6ef488b69833a0fc5689f31001a63c3ecabce","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"546c400323f17c3bb28d647d91f6ef488b69833a0fc5689f31001a63c3ecabce","first_computed_at":"2026-05-18T00:22:10.466254Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:22:10.466254Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ene03tZSWKzXcCo82eWxzrXDbXOniiqQzB9F3I0W04oNvXZ8v4T+nd+FHx7Pkw1cfr5MjU35ggiJUmQAqm+DBg==","signature_status":"signed_v1","signed_at":"2026-05-18T00:22:10.466806Z","signed_message":"canonical_sha256_bytes"},"source_id":"1712.05265","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:0eea699213f78d39eabd75802371e2bc4192dbd77776c2f4954ebaa39d76ec7f","sha256:796204d8989adc96ccbb402da4cf1950b584075eea5d610c4eb87cc54e91968c"],"state_sha256":"3977237d0eb11fd7300fa0bc2850d55506a975704f6c2a3ab14936c21221dac5"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"slNbjXyex6BOjLDkjogFmduvPS0K3KBCDw4dpuEDHSJ8YLyC6vMHZJYVdE1oTpKQgSTWDlqeHMDpYag1FMEAAw==","signed_message":"bundle_sha256_bytes","signed_at":"2026-05-24T11:41:07.138301Z","bundle_sha256":"323aee0de0ea2aef270be817a613a4be254d729af6b67ad1783b740daa7fb1fd"}}