{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2015:LECVNQFGRIASIQDCCHUREXEG5G","short_pith_number":"pith:LECVNQFG","canonical_record":{"source":{"id":"1506.03288","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-06-10T13:25:23Z","cross_cats_sorted":[],"title_canon_sha256":"16547038efe778290d6ec52765e79db76b604dd25fefad1e9d8a71c71cf76dd9","abstract_canon_sha256":"24c49b3506c9391bdbb170d9dc4448bff52cf318152a085982e2e5b44bd6e198"},"schema_version":"1.0"},"canonical_sha256":"590556c0a68a0124406211e9125c86e9be25c9e02f09c63095a789c89d0565b0","source":{"kind":"arxiv","id":"1506.03288","version":3},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.03288","created_at":"2026-05-18T01:29:38Z"},{"alias_kind":"arxiv_version","alias_value":"1506.03288v3","created_at":"2026-05-18T01:29:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.03288","created_at":"2026-05-18T01:29:38Z"},{"alias_kind":"pith_short_12","alias_value":"LECVNQFGRIAS","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LECVNQFGRIASIQDC","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LECVNQFG","created_at":"2026-05-18T12:29:29Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2015:LECVNQFGRIASIQDCCHUREXEG5G","target":"record","payload":{"canonical_record":{"source":{"id":"1506.03288","kind":"arxiv","version":3},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-06-10T13:25:23Z","cross_cats_sorted":[],"title_canon_sha256":"16547038efe778290d6ec52765e79db76b604dd25fefad1e9d8a71c71cf76dd9","abstract_canon_sha256":"24c49b3506c9391bdbb170d9dc4448bff52cf318152a085982e2e5b44bd6e198"},"schema_version":"1.0"},"canonical_sha256":"590556c0a68a0124406211e9125c86e9be25c9e02f09c63095a789c89d0565b0","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:29:38.174686Z","signature_b64":"2sc2PD83LsqcueMG4K4gCtbv1pn8Z4NemDBgU9zY40+vdbQ7jU4seShtpUfj0+FDC8/M1dhd2bIeQGhfXHdlCg==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"590556c0a68a0124406211e9125c86e9be25c9e02f09c63095a789c89d0565b0","last_reissued_at":"2026-05-18T01:29:38.173951Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:29:38.173951Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1506.03288","source_version":3,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T01:29:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"s0kbDiPluGoDjopS6TRkBmqqvxy9KeCDgTep0awL4ZGt2TVFF9BKOH9N7LZ5UnEi5S6zNi3Kyza6+KXb/oCZAw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T19:23:57.037105Z"},"content_sha256":"56264ffbb7cc1eeb13f54301fc984aadb1ff8f51ba64c5a3d600bd9e8b4d81a1","schema_version":"1.0","event_id":"sha256:56264ffbb7cc1eeb13f54301fc984aadb1ff8f51ba64c5a3d600bd9e8b4d81a1"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2015:LECVNQFGRIASIQDCCHUREXEG5G","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Simulations support protocol independency of the granular temperature","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":[],"primary_cat":"cond-mat.stat-mech","authors_text":"Klaus Kassner, Volker Becker","submitted_at":"2015-06-10T13:25:23Z","abstract_excerpt":"A possible approach to the statistical description of granular assemblies starts from Edwards' assumption that all blocked states occupying the same volume are equally probable (S.F. Edwards, R. Oakeshott, Physica A 157, 1080 (1989)). We performed computer simulations using two-dimensional polygonal particles excited periodically according to two different protocols: excitation by pulses of \"negative gravity\" and excitation by \"rotating gravity\". The first protocol exhibits a non-monotonous dependency of the mean volume fraction on the pulse strength. The overlapping histogram method is used i"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.03288","kind":"arxiv","version":3},"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":"2026-05-18T01:29:38Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"hqgkYhphUb/sP7wKyDStqO2NnApoUJpsV5yfr4C4YsYSlPnr/UZ0RUJx9duffWR0WhOFckcmvDxJ3mz/xkbIDg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-26T19:23:57.037467Z"},"content_sha256":"18998873e247247f404f4e95d81d9d3239ded1a134e3352964cec42cc53e3fee","schema_version":"1.0","event_id":"sha256:18998873e247247f404f4e95d81d9d3239ded1a134e3352964cec42cc53e3fee"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/LECVNQFGRIASIQDCCHUREXEG5G/bundle.json","state_url":"https://pith.science/pith/LECVNQFGRIASIQDCCHUREXEG5G/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/LECVNQFGRIASIQDCCHUREXEG5G/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":"2026-06-26T19:23:57Z","links":{"resolver":"https://pith.science/pith/LECVNQFGRIASIQDCCHUREXEG5G","bundle":"https://pith.science/pith/LECVNQFGRIASIQDCCHUREXEG5G/bundle.json","state":"https://pith.science/pith/LECVNQFGRIASIQDCCHUREXEG5G/state.json","well_known_bundle":"https://pith.science/.well-known/pith/LECVNQFGRIASIQDCCHUREXEG5G/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2015:LECVNQFGRIASIQDCCHUREXEG5G","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":"24c49b3506c9391bdbb170d9dc4448bff52cf318152a085982e2e5b44bd6e198","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-06-10T13:25:23Z","title_canon_sha256":"16547038efe778290d6ec52765e79db76b604dd25fefad1e9d8a71c71cf76dd9"},"schema_version":"1.0","source":{"id":"1506.03288","kind":"arxiv","version":3}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1506.03288","created_at":"2026-05-18T01:29:38Z"},{"alias_kind":"arxiv_version","alias_value":"1506.03288v3","created_at":"2026-05-18T01:29:38Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1506.03288","created_at":"2026-05-18T01:29:38Z"},{"alias_kind":"pith_short_12","alias_value":"LECVNQFGRIAS","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_16","alias_value":"LECVNQFGRIASIQDC","created_at":"2026-05-18T12:29:29Z"},{"alias_kind":"pith_short_8","alias_value":"LECVNQFG","created_at":"2026-05-18T12:29:29Z"}],"graph_snapshots":[{"event_id":"sha256:18998873e247247f404f4e95d81d9d3239ded1a134e3352964cec42cc53e3fee","target":"graph","created_at":"2026-05-18T01:29:38Z","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":"A possible approach to the statistical description of granular assemblies starts from Edwards' assumption that all blocked states occupying the same volume are equally probable (S.F. Edwards, R. Oakeshott, Physica A 157, 1080 (1989)). We performed computer simulations using two-dimensional polygonal particles excited periodically according to two different protocols: excitation by pulses of \"negative gravity\" and excitation by \"rotating gravity\". The first protocol exhibits a non-monotonous dependency of the mean volume fraction on the pulse strength. The overlapping histogram method is used i","authors_text":"Klaus Kassner, Volker Becker","cross_cats":[],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-06-10T13:25:23Z","title":"Simulations support protocol independency of the granular temperature"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1506.03288","kind":"arxiv","version":3},"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":"sha256:56264ffbb7cc1eeb13f54301fc984aadb1ff8f51ba64c5a3d600bd9e8b4d81a1","target":"record","created_at":"2026-05-18T01:29:38Z","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":"24c49b3506c9391bdbb170d9dc4448bff52cf318152a085982e2e5b44bd6e198","cross_cats_sorted":[],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"cond-mat.stat-mech","submitted_at":"2015-06-10T13:25:23Z","title_canon_sha256":"16547038efe778290d6ec52765e79db76b604dd25fefad1e9d8a71c71cf76dd9"},"schema_version":"1.0","source":{"id":"1506.03288","kind":"arxiv","version":3}},"canonical_sha256":"590556c0a68a0124406211e9125c86e9be25c9e02f09c63095a789c89d0565b0","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"590556c0a68a0124406211e9125c86e9be25c9e02f09c63095a789c89d0565b0","first_computed_at":"2026-05-18T01:29:38.173951Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:29:38.173951Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"2sc2PD83LsqcueMG4K4gCtbv1pn8Z4NemDBgU9zY40+vdbQ7jU4seShtpUfj0+FDC8/M1dhd2bIeQGhfXHdlCg==","signature_status":"signed_v1","signed_at":"2026-05-18T01:29:38.174686Z","signed_message":"canonical_sha256_bytes"},"source_id":"1506.03288","source_kind":"arxiv","source_version":3}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:56264ffbb7cc1eeb13f54301fc984aadb1ff8f51ba64c5a3d600bd9e8b4d81a1","sha256:18998873e247247f404f4e95d81d9d3239ded1a134e3352964cec42cc53e3fee"],"state_sha256":"4d790aca5787e0ff85a2883ca5e0d205296b8c63bb616857ad4a26713d83460a"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"xIWdb2ixM3ZR6VPX5B/oMCtABysco1Gr1to940zrG5gPemVElLjlbpTS8drse1BR34+SN48CfC0NaS4e6DYkAg==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-26T19:23:57.039362Z","bundle_sha256":"f0fe81c3d235acb4ff8cfe026004073b3450cbcb114e180a3a793f167a16f585"}}