{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2025:4YMGKMYFE6BUIV32KNU65VUDTA","short_pith_number":"pith:4YMGKMYF","canonical_record":{"source":{"id":"2502.06668","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-10T16:53:33Z","cross_cats_sorted":[],"title_canon_sha256":"2696d896bfed6d2a704b5e239a7b9691d4e945d3fc245a7cd4fa98ba36717276","abstract_canon_sha256":"1d5cb37e7a782c64c387bfe3803f3f0ccab501d22be38f42d741892690e027fc"},"schema_version":"1.0"},"canonical_sha256":"e618653305278344577a5369eed68398265417b9801ff398a6eb067b95d02046","source":{"kind":"arxiv","id":"2502.06668","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.06668","created_at":"2026-07-05T11:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"2502.06668v2","created_at":"2026-07-05T11:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.06668","created_at":"2026-07-05T11:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"4YMGKMYFE6BU","created_at":"2026-07-05T11:21:41Z"},{"alias_kind":"pith_short_16","alias_value":"4YMGKMYFE6BUIV32","created_at":"2026-07-05T11:21:41Z"},{"alias_kind":"pith_short_8","alias_value":"4YMGKMYF","created_at":"2026-07-05T11:21:41Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2025:4YMGKMYFE6BUIV32KNU65VUDTA","target":"record","payload":{"canonical_record":{"source":{"id":"2502.06668","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-10T16:53:33Z","cross_cats_sorted":[],"title_canon_sha256":"2696d896bfed6d2a704b5e239a7b9691d4e945d3fc245a7cd4fa98ba36717276","abstract_canon_sha256":"1d5cb37e7a782c64c387bfe3803f3f0ccab501d22be38f42d741892690e027fc"},"schema_version":"1.0"},"canonical_sha256":"e618653305278344577a5369eed68398265417b9801ff398a6eb067b95d02046","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-07-05T11:21:41.987705Z","signature_b64":"/aElo1B+Y7tSsQsFyi2sKRAtEjHKOg+fxcVy4HKtVM+7/BzENBdyS+CxXCMjG/f7ZiTQFuFoho7sc6nrmvHvDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"e618653305278344577a5369eed68398265417b9801ff398a6eb067b95d02046","last_reissued_at":"2026-07-05T11:21:41.987139Z","signature_status":"signed_v1","first_computed_at":"2026-07-05T11:21:41.987139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"2502.06668","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":"2026-07-05T11:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"Bl4Ad5c3E/Qx6obI41l/KDnhr31UPv0ocIuL8MDI2a7vyZdwiVfM4jFbFCRBlD0AsWH2NbtXEDmz9Yc+alraCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:55:04.012638Z"},"content_sha256":"9e214027013e578f90bd95eb5a2f8425c005e243a83138481a6625b6e601b19e","schema_version":"1.0","event_id":"sha256:9e214027013e578f90bd95eb5a2f8425c005e243a83138481a6625b6e601b19e"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2025:4YMGKMYFE6BUIV32KNU65VUDTA","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Filling a gap in materials mechanics: Nanoindentation at high constant strain rates upto $10^5 s^{-1}$","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.mtrl-sci","authors_text":"Aloshious Lambai, B\\'arbara Bell\\'on, Damian Frey, Dipali Sonawane, Gaurav Mohanty, Gerhard Dehm, Hendrik Holz, Jakob Schwiedrzik, Jeongin Paeng, Jing Rao, Johann Michler, Lalith Kumar Bhaskar, Laszlo Petho, Peter Schweizer, Rajaprakash Ramachandramoorthy","submitted_at":"2025-02-10T16:53:33Z","abstract_excerpt":"A central focus in high strain rate research is understanding the dynamic behavior of materials at strain rates where a strength upturn is observed. While strength upturns at strain rates of $10^3$ to $10^4~\\mathrm{s}^{-1}$ have been widely reported in the literature, their occurrence in certain materials remains controversial, and the underlying physics driving this phenomenon is not yet fully understood. Current mechanical testing methods are limited, as no single technique spans the full strain rate range of $10^1$ to $10^5~\\mathrm{s}^{-1}$ where this phenomenon is expected, and a unified t"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.06668","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":""},"integrity":{"clean":true,"summary":{"advisory":0,"critical":0,"by_detector":{},"informational":0},"endpoint":"/pith/2502.06668/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":"2026-07-05T11:21:41Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"aS+veE8pHBXwBUuMXPm+HJQZUrQCn7uV9fR2CrrjUJrgWL7WfwcKZjWOMUTQgmAmGh+884Rsf5F6hn8WRRZOBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-07-07T03:55:04.013020Z"},"content_sha256":"f4312828549cbc9115d6cb8eb1d1e2851a416b429f53fde662895e16596fd909","schema_version":"1.0","event_id":"sha256:f4312828549cbc9115d6cb8eb1d1e2851a416b429f53fde662895e16596fd909"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/4YMGKMYFE6BUIV32KNU65VUDTA/bundle.json","state_url":"https://pith.science/pith/4YMGKMYFE6BUIV32KNU65VUDTA/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/4YMGKMYFE6BUIV32KNU65VUDTA/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":"2026-07-07T03:55:04Z","links":{"resolver":"https://pith.science/pith/4YMGKMYFE6BUIV32KNU65VUDTA","bundle":"https://pith.science/pith/4YMGKMYFE6BUIV32KNU65VUDTA/bundle.json","state":"https://pith.science/pith/4YMGKMYFE6BUIV32KNU65VUDTA/state.json","well_known_bundle":"https://pith.science/.well-known/pith/4YMGKMYFE6BUIV32KNU65VUDTA/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2025:4YMGKMYFE6BUIV32KNU65VUDTA","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":"1d5cb37e7a782c64c387bfe3803f3f0ccab501d22be38f42d741892690e027fc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-10T16:53:33Z","title_canon_sha256":"2696d896bfed6d2a704b5e239a7b9691d4e945d3fc245a7cd4fa98ba36717276"},"schema_version":"1.0","source":{"id":"2502.06668","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"2502.06668","created_at":"2026-07-05T11:21:41Z"},{"alias_kind":"arxiv_version","alias_value":"2502.06668v2","created_at":"2026-07-05T11:21:41Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.2502.06668","created_at":"2026-07-05T11:21:41Z"},{"alias_kind":"pith_short_12","alias_value":"4YMGKMYFE6BU","created_at":"2026-07-05T11:21:41Z"},{"alias_kind":"pith_short_16","alias_value":"4YMGKMYFE6BUIV32","created_at":"2026-07-05T11:21:41Z"},{"alias_kind":"pith_short_8","alias_value":"4YMGKMYF","created_at":"2026-07-05T11:21:41Z"}],"graph_snapshots":[{"event_id":"sha256:f4312828549cbc9115d6cb8eb1d1e2851a416b429f53fde662895e16596fd909","target":"graph","created_at":"2026-07-05T11:21:41Z","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/2502.06668/integrity.json","findings":[],"snapshot_sha256":"c28c3603d3b5d939e8dc4c7e95fa8dfce3d595e45f758748cecf8e644a296938","summary":{"advisory":0,"by_detector":{},"critical":0,"informational":0}},"paper":{"abstract_excerpt":"A central focus in high strain rate research is understanding the dynamic behavior of materials at strain rates where a strength upturn is observed. While strength upturns at strain rates of $10^3$ to $10^4~\\mathrm{s}^{-1}$ have been widely reported in the literature, their occurrence in certain materials remains controversial, and the underlying physics driving this phenomenon is not yet fully understood. Current mechanical testing methods are limited, as no single technique spans the full strain rate range of $10^1$ to $10^5~\\mathrm{s}^{-1}$ where this phenomenon is expected, and a unified t","authors_text":"Aloshious Lambai, B\\'arbara Bell\\'on, Damian Frey, Dipali Sonawane, Gaurav Mohanty, Gerhard Dehm, Hendrik Holz, Jakob Schwiedrzik, Jeongin Paeng, Jing Rao, Johann Michler, Lalith Kumar Bhaskar, Laszlo Petho, Peter Schweizer, Rajaprakash Ramachandramoorthy","cross_cats":[],"headline":"","license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-10T16:53:33Z","title":"Filling a gap in materials mechanics: Nanoindentation at high constant strain rates upto $10^5 s^{-1}$"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"2502.06668","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":"sha256:9e214027013e578f90bd95eb5a2f8425c005e243a83138481a6625b6e601b19e","target":"record","created_at":"2026-07-05T11:21:41Z","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":"1d5cb37e7a782c64c387bfe3803f3f0ccab501d22be38f42d741892690e027fc","cross_cats_sorted":[],"license":"http://creativecommons.org/licenses/by-nc-nd/4.0/","primary_cat":"cond-mat.mtrl-sci","submitted_at":"2025-02-10T16:53:33Z","title_canon_sha256":"2696d896bfed6d2a704b5e239a7b9691d4e945d3fc245a7cd4fa98ba36717276"},"schema_version":"1.0","source":{"id":"2502.06668","kind":"arxiv","version":2}},"canonical_sha256":"e618653305278344577a5369eed68398265417b9801ff398a6eb067b95d02046","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"e618653305278344577a5369eed68398265417b9801ff398a6eb067b95d02046","first_computed_at":"2026-07-05T11:21:41.987139Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-07-05T11:21:41.987139Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"/aElo1B+Y7tSsQsFyi2sKRAtEjHKOg+fxcVy4HKtVM+7/BzENBdyS+CxXCMjG/f7ZiTQFuFoho7sc6nrmvHvDw==","signature_status":"signed_v1","signed_at":"2026-07-05T11:21:41.987705Z","signed_message":"canonical_sha256_bytes"},"source_id":"2502.06668","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:9e214027013e578f90bd95eb5a2f8425c005e243a83138481a6625b6e601b19e","sha256:f4312828549cbc9115d6cb8eb1d1e2851a416b429f53fde662895e16596fd909"],"state_sha256":"3de0d61da37e72e2e0bdb9e382bd55fadbf23ebbf34e80fc7913058dce39b5d7"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"HuS54v40HkSuSNoL+W2q+w78qGjJ5oy4KIXZDevW3KglrAJtMdZyq7Det7R4BceWxX+bElAl1En3ORuOCTbcDQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-07-07T03:55:04.015052Z","bundle_sha256":"3a8a28c9311848041ed88d1e945d1f684af38dc7a2c5ebd08162442234794bcb"}}