{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2017:6G2PKYUJGUWRHH2JFQ2JDUBT6Q","short_pith_number":"pith:6G2PKYUJ","canonical_record":{"source":{"id":"1701.06422","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-01-23T14:49:04Z","cross_cats_sorted":[],"title_canon_sha256":"8010afaef3a47666fc0b8c128bc5ad49db404f68fc0fd873208ea28102d7f47d","abstract_canon_sha256":"08dea6f4c54f2c5b7f7c4d0be14f6ede54389db0d59a7729a86ebe71664ff61e"},"schema_version":"1.0"},"canonical_sha256":"f1b4f56289352d139f492c3491d033f4142225caa37ad8a11222443ea525fedd","source":{"kind":"arxiv","id":"1701.06422","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06422","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06422v2","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06422","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"pith_short_12","alias_value":"6G2PKYUJGUWR","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6G2PKYUJGUWRHH2J","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6G2PKYUJ","created_at":"2026-05-18T12:31:03Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2017:6G2PKYUJGUWRHH2JFQ2JDUBT6Q","target":"record","payload":{"canonical_record":{"source":{"id":"1701.06422","kind":"arxiv","version":2},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-01-23T14:49:04Z","cross_cats_sorted":[],"title_canon_sha256":"8010afaef3a47666fc0b8c128bc5ad49db404f68fc0fd873208ea28102d7f47d","abstract_canon_sha256":"08dea6f4c54f2c5b7f7c4d0be14f6ede54389db0d59a7729a86ebe71664ff61e"},"schema_version":"1.0"},"canonical_sha256":"f1b4f56289352d139f492c3491d033f4142225caa37ad8a11222443ea525fedd","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:43:55.436305Z","signature_b64":"aI27tnntUqtH159wQI4kTCZHzi/XcnSI7fisuWWRkiY9uzj6UsMXYf5E/CxwrRBV3nGdbZLbSdgM9pXAnt8VDw==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"f1b4f56289352d139f492c3491d033f4142225caa37ad8a11222443ea525fedd","last_reissued_at":"2026-05-18T00:43:55.435714Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:43:55.435714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1701.06422","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":"2026-05-18T00:43:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"pZGBDQkTY8lHM6VRd6DBYbOQX9PUJZSKz3cVgRzp5QepnI3qAYhW25O7G3FL22SUCh5xX5+uM057MGLsTb+dDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T13:09:11.716692Z"},"content_sha256":"ab50dc3dc1a1f5fafa52984c407368bfefb399159bfa732720b155b6a7604d04","schema_version":"1.0","event_id":"sha256:ab50dc3dc1a1f5fafa52984c407368bfefb399159bfa732720b155b6a7604d04"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2017:6G2PKYUJGUWRHH2JFQ2JDUBT6Q","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Spatially-resolved measurements of micro-deformations in granular materials using DWS","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.soft","authors_text":"Alesya Mikhailovskaya (IPR), Axelle Amon (IPR), J\\'er\\^ome Crassous (IPR)","submitted_at":"2017-01-23T14:49:04Z","abstract_excerpt":"This article is a tutorial on the practical implementation of a method of measurement of minute deformations based on multiple scattering. This technic has been recently developed and has proven to give new insights on the spatial repartition of strain in a granular material. We provide here the basics to understand the method by giving a synthetic review on Diffusing Wave Spectroscopy and multiple scattering in granular materials. We detail a simple experiment using standard lab equipment to pedagogically demonstrate the implementation of the method. Finally we give a few examples of measurem"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06422","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":"2026-05-18T00:43:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"bs+Vw5ytT7HeegOpMIsT+4D/HMe0V5L20buHznYGWAc7XF9eSA50phPvUrghZHnPaNLyKbtCejq0b3l/ZNzhCA==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T13:09:11.717026Z"},"content_sha256":"63b802afeb50cdcbeb477cfd1f29b9d1a29e661b0787d3f948db4eec71740d56","schema_version":"1.0","event_id":"sha256:63b802afeb50cdcbeb477cfd1f29b9d1a29e661b0787d3f948db4eec71740d56"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/6G2PKYUJGUWRHH2JFQ2JDUBT6Q/bundle.json","state_url":"https://pith.science/pith/6G2PKYUJGUWRHH2JFQ2JDUBT6Q/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/6G2PKYUJGUWRHH2JFQ2JDUBT6Q/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":"2026-06-26T13:09:11Z","links":{"resolver":"https://pith.science/pith/6G2PKYUJGUWRHH2JFQ2JDUBT6Q","bundle":"https://pith.science/pith/6G2PKYUJGUWRHH2JFQ2JDUBT6Q/bundle.json","state":"https://pith.science/pith/6G2PKYUJGUWRHH2JFQ2JDUBT6Q/state.json","well_known_bundle":"https://pith.science/.well-known/pith/6G2PKYUJGUWRHH2JFQ2JDUBT6Q/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2017:6G2PKYUJGUWRHH2JFQ2JDUBT6Q","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":"08dea6f4c54f2c5b7f7c4d0be14f6ede54389db0d59a7729a86ebe71664ff61e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-01-23T14:49:04Z","title_canon_sha256":"8010afaef3a47666fc0b8c128bc5ad49db404f68fc0fd873208ea28102d7f47d"},"schema_version":"1.0","source":{"id":"1701.06422","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1701.06422","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"arxiv_version","alias_value":"1701.06422v2","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1701.06422","created_at":"2026-05-18T00:43:55Z"},{"alias_kind":"pith_short_12","alias_value":"6G2PKYUJGUWR","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_16","alias_value":"6G2PKYUJGUWRHH2J","created_at":"2026-05-18T12:31:03Z"},{"alias_kind":"pith_short_8","alias_value":"6G2PKYUJ","created_at":"2026-05-18T12:31:03Z"}],"graph_snapshots":[{"event_id":"sha256:63b802afeb50cdcbeb477cfd1f29b9d1a29e661b0787d3f948db4eec71740d56","target":"graph","created_at":"2026-05-18T00:43:55Z","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":"This article is a tutorial on the practical implementation of a method of measurement of minute deformations based on multiple scattering. This technic has been recently developed and has proven to give new insights on the spatial repartition of strain in a granular material. We provide here the basics to understand the method by giving a synthetic review on Diffusing Wave Spectroscopy and multiple scattering in granular materials. We detail a simple experiment using standard lab equipment to pedagogically demonstrate the implementation of the method. Finally we give a few examples of measurem","authors_text":"Alesya Mikhailovskaya (IPR), Axelle Amon (IPR), J\\'er\\^ome Crassous (IPR)","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-01-23T14:49:04Z","title":"Spatially-resolved measurements of micro-deformations in granular materials using DWS"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1701.06422","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:ab50dc3dc1a1f5fafa52984c407368bfefb399159bfa732720b155b6a7604d04","target":"record","created_at":"2026-05-18T00:43:55Z","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":"08dea6f4c54f2c5b7f7c4d0be14f6ede54389db0d59a7729a86ebe71664ff61e","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.soft","submitted_at":"2017-01-23T14:49:04Z","title_canon_sha256":"8010afaef3a47666fc0b8c128bc5ad49db404f68fc0fd873208ea28102d7f47d"},"schema_version":"1.0","source":{"id":"1701.06422","kind":"arxiv","version":2}},"canonical_sha256":"f1b4f56289352d139f492c3491d033f4142225caa37ad8a11222443ea525fedd","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"f1b4f56289352d139f492c3491d033f4142225caa37ad8a11222443ea525fedd","first_computed_at":"2026-05-18T00:43:55.435714Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:43:55.435714Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"aI27tnntUqtH159wQI4kTCZHzi/XcnSI7fisuWWRkiY9uzj6UsMXYf5E/CxwrRBV3nGdbZLbSdgM9pXAnt8VDw==","signature_status":"signed_v1","signed_at":"2026-05-18T00:43:55.436305Z","signed_message":"canonical_sha256_bytes"},"source_id":"1701.06422","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:ab50dc3dc1a1f5fafa52984c407368bfefb399159bfa732720b155b6a7604d04","sha256:63b802afeb50cdcbeb477cfd1f29b9d1a29e661b0787d3f948db4eec71740d56"],"state_sha256":"9a34d969aa37dca988b5cc9575b9faf31f47d848af29cddb4c4f130e235f563b"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"9FhFn/oijlx++E41LYwqIA7nnEejMiXzn/qyuf1zPJVb5deduTP3f4RLIcOPeyta/Ot5biQiColFkcLfx98IBg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T13:09:11.718791Z","bundle_sha256":"95c9a5024a8604316e38ec9358c9bb742a8aee61a46a03ac101d8c9ce003a71c"}}