{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:L5XWALYP6XKYNXKK7SNSWUDBO6","short_pith_number":"pith:L5XWALYP","canonical_record":{"source":{"id":"2502.00866","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2025-02-02T18:20:02Z","cross_cats_sorted":[],"title_canon_sha256":"30b79022d6cf0b398c296a8c8a97c5c4fd887f6085c873697ea68d4e43d303e0","abstract_canon_sha256":"df5e85826ae57afaef817e0db596072712c73d929c10967bcc327f7c73614719"},"schema_version":"1.0"},"canonical_sha256":"5f6f602f0ff5d586dd4afc9b2b50617780e498212b1a0de25d6da2d62a347763","source":{"kind":"arxiv","id":"2502.00866","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.00866","created_at":"2026-07-05T10:30:03Z"},{"alias_kind":"arxiv_version","alias_value":"2502.00866v1","created_at":"2026-07-05T10:30:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.00866","created_at":"2026-07-05T10:30:03Z"},{"alias_kind":"pith_short_12","alias_value":"L5XWALYP6XKY","created_at":"2026-07-05T10:30:03Z"},{"alias_kind":"pith_short_16","alias_value":"L5XWALYP6XKYNXKK","created_at":"2026-07-05T10:30:03Z"},{"alias_kind":"pith_short_8","alias_value":"L5XWALYP","created_at":"2026-07-05T10:30:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:L5XWALYP6XKYNXKK7SNSWUDBO6","target":"record","payload":{"canonical_record":{"source":{"id":"2502.00866","kind":"arxiv","version":1},"metadata":{"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2025-02-02T18:20:02Z","cross_cats_sorted":[],"title_canon_sha256":"30b79022d6cf0b398c296a8c8a97c5c4fd887f6085c873697ea68d4e43d303e0","abstract_canon_sha256":"df5e85826ae57afaef817e0db596072712c73d929c10967bcc327f7c73614719"},"schema_version":"1.0"},"canonical_sha256":"5f6f602f0ff5d586dd4afc9b2b50617780e498212b1a0de25d6da2d62a347763","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T10:30:03.631638Z","signature_b64":"KG8fsoDHwVHbQDcQrUvWUKx5uWSqxKoxi1qSJs40MaMhuGjXVYU2xwQ3S5gczVogLQKJz0NkekwfXQUhlWJHDA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"5f6f602f0ff5d586dd4afc9b2b50617780e498212b1a0de25d6da2d62a347763","last_reissued_at":"2026-07-05T10:30:03.631143Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T10:30:03.631143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.00866","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":"2026-07-05T10:30:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"OTrUEFFerCjyeM23ADNhHUZJqnZKhw0OqjH6Hmi+0XxRC5SjK0cY8+BCUzVZX/0mhwoH8CuP69KfjtSraBYcDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T13:25:46.028709Z"},"content_sha256":"705a71e96abf27d4cc27bd5025aec30641839c36b31ac584e33ff607b36f28b7","schema_version":"1.0","event_id":"sha256:705a71e96abf27d4cc27bd5025aec30641839c36b31ac584e33ff607b36f28b7"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:L5XWALYP6XKYNXKK7SNSWUDBO6","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Modeling Filamentary Conduction in Reset Phase Change Memory Devices","license":"http://creativecommons.org/licenses/by/4.0/","headline":"","cross_cats":[],"primary_cat":"physics.app-ph","authors_text":"Ali Gokirmak, Helena Silva, Md Samzid Bin Hafiz","submitted_at":"2025-02-02T18:20:02Z","abstract_excerpt":"We performed a computational analysis on percolation transport and filament formation in amorphous $Ge_2Sb_2Te_5$ (a-GST) using 2D finite-element multi-physics simulations with 2 nm out-of-plane depth using an electric-field and temperature dependent electronic transport model with carrier activation energies that vary locally around 0.3 eV and as a function of temperature. We observe the snapback (threshold switching) behavior in the current-voltage (I-V) characteristics at ~50 MV/m electric field with 0.63 $\\mu$A current for 300 K ambient temperature, where current collapses onto a single mo"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.00866","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.00866/integrity.json","findings":[],"available":true,"detectors_run":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938"},"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":"2026-07-05T10:30:03Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"h6+uih10Rs2kp3URCJHMgrL99c31vRPVBEPhiborlcbFAQ3YGsubECAeMKsKHfoXC8aibDaxrWft692MfxSXDw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-08-10T13:25:46.029313Z"},"content_sha256":"d97ad029407526b93801c2813fbb4c19e52537b2ed6016ce7df9e49f2a470b1e","schema_version":"1.0","event_id":"sha256:d97ad029407526b93801c2813fbb4c19e52537b2ed6016ce7df9e49f2a470b1e"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/L5XWALYP6XKYNXKK7SNSWUDBO6/bundle.json","state_url":"https://pith.science/pith/L5XWALYP6XKYNXKK7SNSWUDBO6/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/L5XWALYP6XKYNXKK7SNSWUDBO6/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":"2026-08-10T13:25:46Z","links":{"resolver":"https://pith.science/pith/L5XWALYP6XKYNXKK7SNSWUDBO6","bundle":"https://pith.science/pith/L5XWALYP6XKYNXKK7SNSWUDBO6/bundle.json","state":"https://pith.science/pith/L5XWALYP6XKYNXKK7SNSWUDBO6/state.json","well_known_bundle":"https://pith.science/.well-known/pith/L5XWALYP6XKYNXKK7SNSWUDBO6/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:L5XWALYP6XKYNXKK7SNSWUDBO6","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":"df5e85826ae57afaef817e0db596072712c73d929c10967bcc327f7c73614719","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2025-02-02T18:20:02Z","title_canon_sha256":"30b79022d6cf0b398c296a8c8a97c5c4fd887f6085c873697ea68d4e43d303e0"},"schema_version":"1.0","source":{"id":"2502.00866","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.00866","created_at":"2026-07-05T10:30:03Z"},{"alias_kind":"arxiv_version","alias_value":"2502.00866v1","created_at":"2026-07-05T10:30:03Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.00866","created_at":"2026-07-05T10:30:03Z"},{"alias_kind":"pith_short_12","alias_value":"L5XWALYP6XKY","created_at":"2026-07-05T10:30:03Z"},{"alias_kind":"pith_short_16","alias_value":"L5XWALYP6XKYNXKK","created_at":"2026-07-05T10:30:03Z"},{"alias_kind":"pith_short_8","alias_value":"L5XWALYP","created_at":"2026-07-05T10:30:03Z"}],"graph_snapshots":[{"event_id":"sha256:d97ad029407526b93801c2813fbb4c19e52537b2ed6016ce7df9e49f2a470b1e","target":"graph","created_at":"2026-07-05T10:30:03Z","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"},"integrity":{"available":true,"clean":true,"detectors_run":[],"endpoint":"/pith/2502.00866/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"We performed a computational analysis on percolation transport and filament formation in amorphous $Ge_2Sb_2Te_5$ (a-GST) using 2D finite-element multi-physics simulations with 2 nm out-of-plane depth using an electric-field and temperature dependent electronic transport model with carrier activation energies that vary locally around 0.3 eV and as a function of temperature. We observe the snapback (threshold switching) behavior in the current-voltage (I-V) characteristics at ~50 MV/m electric field with 0.63 $\\mu$A current for 300 K ambient temperature, where current collapses onto a single mo","authors_text":"Ali Gokirmak, Helena Silva, Md Samzid Bin Hafiz","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2025-02-02T18:20:02Z","title":"Modeling Filamentary Conduction in Reset Phase Change Memory Devices"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.00866","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":"sha256:705a71e96abf27d4cc27bd5025aec30641839c36b31ac584e33ff607b36f28b7","target":"record","created_at":"2026-07-05T10:30:03Z","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":"df5e85826ae57afaef817e0db596072712c73d929c10967bcc327f7c73614719","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by/4.0/","primary_cat":"physics.app-ph","submitted_at":"2025-02-02T18:20:02Z","title_canon_sha256":"30b79022d6cf0b398c296a8c8a97c5c4fd887f6085c873697ea68d4e43d303e0"},"schema_version":"1.0","source":{"id":"2502.00866","kind":"arxiv","version":1}},"canonical_sha256":"5f6f602f0ff5d586dd4afc9b2b50617780e498212b1a0de25d6da2d62a347763","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"5f6f602f0ff5d586dd4afc9b2b50617780e498212b1a0de25d6da2d62a347763","first_computed_at":"2026-07-05T10:30:03.631143Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T10:30:03.631143Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"KG8fsoDHwVHbQDcQrUvWUKx5uWSqxKoxi1qSJs40MaMhuGjXVYU2xwQ3S5gczVogLQKJz0NkekwfXQUhlWJHDA==","signature_status":"signed_v1","signed_at":"2026-07-05T10:30:03.631638Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.00866","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:705a71e96abf27d4cc27bd5025aec30641839c36b31ac584e33ff607b36f28b7","sha256:d97ad029407526b93801c2813fbb4c19e52537b2ed6016ce7df9e49f2a470b1e"],"state_sha256":"23da505d73db3d5fa4ee5861f3ba68a8c657a1a87610be47862786197ca9154a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"jtQnX82Fq3gAzJQKZlzfyglidKzjGRkgzRGOgKRGrY16a9sI70NsQpciDm8PpvnMJRe5X5ghlUA8PUyRXGHhAQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-08-10T13:25:46.035657Z","bundle_sha256":"3b9803e6d9666212672073ee29b9b8bf93f545a5f328b3527532d95730af974f"}}