{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2011:CXBNCV5XOJQ4WHQCPRHZPJUPMF","short_pith_number":"pith:CXBNCV5X","canonical_record":{"source":{"id":"1105.4874","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-05-24T19:57:14Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"6eae5f1c5e6eb51996f9378adf436914c4940ac27d8307dc1228dbce5d1465d9","abstract_canon_sha256":"9b20b74c2a8f27a24966d0ea14df07591654aa5a7903b9be673f9b94525731b1"},"schema_version":"1.0"},"canonical_sha256":"15c2d157b77261cb1e027c4f97a68f61496ae663eed0c2a39f20bc1b3eeef454","source":{"kind":"arxiv","id":"1105.4874","version":2},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.4874","created_at":"2026-05-18T04:13:55Z"},{"alias_kind":"arxiv_version","alias_value":"1105.4874v2","created_at":"2026-05-18T04:13:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.4874","created_at":"2026-05-18T04:13:55Z"},{"alias_kind":"pith_short_12","alias_value":"CXBNCV5XOJQ4","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CXBNCV5XOJQ4WHQC","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CXBNCV5X","created_at":"2026-05-18T12:26:26Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2011:CXBNCV5XOJQ4WHQCPRHZPJUPMF","target":"record","payload":{"canonical_record":{"source":{"id":"1105.4874","kind":"arxiv","version":2},"metadata":{"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-05-24T19:57:14Z","cross_cats_sorted":["cond-mat.stat-mech"],"title_canon_sha256":"6eae5f1c5e6eb51996f9378adf436914c4940ac27d8307dc1228dbce5d1465d9","abstract_canon_sha256":"9b20b74c2a8f27a24966d0ea14df07591654aa5a7903b9be673f9b94525731b1"},"schema_version":"1.0"},"canonical_sha256":"15c2d157b77261cb1e027c4f97a68f61496ae663eed0c2a39f20bc1b3eeef454","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T04:13:55.063597Z","signature_b64":"8W1dLuIxSrTC9xEx+M5WR6MItQj4cyGNEYJChjtsuMZnvgjOCDA/yjcG2wQLG5r6fBU6dD9NBj4Uik4VPy2UAA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15c2d157b77261cb1e027c4f97a68f61496ae663eed0c2a39f20bc1b3eeef454","last_reissued_at":"2026-05-18T04:13:55.063151Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T04:13:55.063151Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1105.4874","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":"2026-05-18T04:13:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"/Q5NyqKXcOVkVuJ8lxrVg3BWcce2UVbfpha30kHwf18JvfVbBHc8P3YjQqCS2RrYl/QogtlfER8L4zmJ+HfOAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T17:12:50.233293Z"},"content_sha256":"f5e96d86c9865c65f9e065fba5b44a3dcb406679d13e84d84b8cc35f204e0f70","schema_version":"1.0","event_id":"sha256:f5e96d86c9865c65f9e065fba5b44a3dcb406679d13e84d84b8cc35f204e0f70"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2011:CXBNCV5XOJQ4WHQCPRHZPJUPMF","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Master curves for the stress tensor invariants in stationary states of static granular beds. Implications for the thermodynamic phase space","license":"http://creativecommons.org/licenses/by/3.0/","headline":"","cross_cats":["cond-mat.stat-mech"],"primary_cat":"cond-mat.soft","authors_text":"Diego Maza, Iker Zuriguel, Jos\\'e Damas, Luis A. Pugnaloni","submitted_at":"2011-05-24T19:57:14Z","abstract_excerpt":"We prepare static granular beds under gravity in different stationary states by tapping the system with pulsed excitations of controlled amplitude and duration. The macroscopic state---defined by the ensemble of static configurations explored by the system tap after tap---for a given tap intensity and duration is studied in terms of volume, V, and force moment tensor, \\Sigma. In a previous paper [Pugnaloni et al., Phys. Rev. E 82, 050301(R) (2010)], we reported evidence supporting that such macroscopic states cannot be fully described by using only V or \\Sigma, apart from the number of particl"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.4874","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":"2026-05-18T04:13:55Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"3PNs42mwJBxLgmQSRKE47Z9BcKgKMSFJweUDlkSRmxQUyjaB7J+2EKBc5MyhqINPGflyMkh70ax6Bg07tBXPBg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-22T17:12:50.233664Z"},"content_sha256":"11b3aaee01e27f2c34009f88f70fcc69dd420433acc9eaa3540140b037199046","schema_version":"1.0","event_id":"sha256:11b3aaee01e27f2c34009f88f70fcc69dd420433acc9eaa3540140b037199046"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CXBNCV5XOJQ4WHQCPRHZPJUPMF/bundle.json","state_url":"https://pith.science/pith/CXBNCV5XOJQ4WHQCPRHZPJUPMF/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CXBNCV5XOJQ4WHQCPRHZPJUPMF/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":"2026-06-22T17:12:50Z","links":{"resolver":"https://pith.science/pith/CXBNCV5XOJQ4WHQCPRHZPJUPMF","bundle":"https://pith.science/pith/CXBNCV5XOJQ4WHQCPRHZPJUPMF/bundle.json","state":"https://pith.science/pith/CXBNCV5XOJQ4WHQCPRHZPJUPMF/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CXBNCV5XOJQ4WHQCPRHZPJUPMF/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2011:CXBNCV5XOJQ4WHQCPRHZPJUPMF","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":"9b20b74c2a8f27a24966d0ea14df07591654aa5a7903b9be673f9b94525731b1","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-05-24T19:57:14Z","title_canon_sha256":"6eae5f1c5e6eb51996f9378adf436914c4940ac27d8307dc1228dbce5d1465d9"},"schema_version":"1.0","source":{"id":"1105.4874","kind":"arxiv","version":2}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1105.4874","created_at":"2026-05-18T04:13:55Z"},{"alias_kind":"arxiv_version","alias_value":"1105.4874v2","created_at":"2026-05-18T04:13:55Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1105.4874","created_at":"2026-05-18T04:13:55Z"},{"alias_kind":"pith_short_12","alias_value":"CXBNCV5XOJQ4","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_16","alias_value":"CXBNCV5XOJQ4WHQC","created_at":"2026-05-18T12:26:26Z"},{"alias_kind":"pith_short_8","alias_value":"CXBNCV5X","created_at":"2026-05-18T12:26:26Z"}],"graph_snapshots":[{"event_id":"sha256:11b3aaee01e27f2c34009f88f70fcc69dd420433acc9eaa3540140b037199046","target":"graph","created_at":"2026-05-18T04:13:55Z","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":"We prepare static granular beds under gravity in different stationary states by tapping the system with pulsed excitations of controlled amplitude and duration. The macroscopic state---defined by the ensemble of static configurations explored by the system tap after tap---for a given tap intensity and duration is studied in terms of volume, V, and force moment tensor, \\Sigma. In a previous paper [Pugnaloni et al., Phys. Rev. E 82, 050301(R) (2010)], we reported evidence supporting that such macroscopic states cannot be fully described by using only V or \\Sigma, apart from the number of particl","authors_text":"Diego Maza, Iker Zuriguel, Jos\\'e Damas, Luis A. Pugnaloni","cross_cats":["cond-mat.stat-mech"],"headline":"","license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-05-24T19:57:14Z","title":"Master curves for the stress tensor invariants in stationary states of static granular beds. Implications for the thermodynamic phase space"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1105.4874","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:f5e96d86c9865c65f9e065fba5b44a3dcb406679d13e84d84b8cc35f204e0f70","target":"record","created_at":"2026-05-18T04:13:55Z","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":"9b20b74c2a8f27a24966d0ea14df07591654aa5a7903b9be673f9b94525731b1","cross_cats_sorted":["cond-mat.stat-mech"],"license":"http://creativecommons.org/licenses/by/3.0/","primary_cat":"cond-mat.soft","submitted_at":"2011-05-24T19:57:14Z","title_canon_sha256":"6eae5f1c5e6eb51996f9378adf436914c4940ac27d8307dc1228dbce5d1465d9"},"schema_version":"1.0","source":{"id":"1105.4874","kind":"arxiv","version":2}},"canonical_sha256":"15c2d157b77261cb1e027c4f97a68f61496ae663eed0c2a39f20bc1b3eeef454","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15c2d157b77261cb1e027c4f97a68f61496ae663eed0c2a39f20bc1b3eeef454","first_computed_at":"2026-05-18T04:13:55.063151Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T04:13:55.063151Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"8W1dLuIxSrTC9xEx+M5WR6MItQj4cyGNEYJChjtsuMZnvgjOCDA/yjcG2wQLG5r6fBU6dD9NBj4Uik4VPy2UAA==","signature_status":"signed_v1","signed_at":"2026-05-18T04:13:55.063597Z","signed_message":"canonical_sha256_bytes"},"source_id":"1105.4874","source_kind":"arxiv","source_version":2}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:f5e96d86c9865c65f9e065fba5b44a3dcb406679d13e84d84b8cc35f204e0f70","sha256:11b3aaee01e27f2c34009f88f70fcc69dd420433acc9eaa3540140b037199046"],"state_sha256":"0ea4fdd517258cf7c33e401a290c55285af06e6a174791a603bdc2da15cf3505"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"ZNToBB9BAaVsFHuX5KWeut3LPHFa4jI5KyiiccINtsi3mf6SeT59FyOF8yXSFmtNp3yjb9prUlWU+ZcdmCO2AA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-22T17:12:50.235548Z","bundle_sha256":"01d1697fefd5a90cbc3a1fd083f813c4b7f2403d2313a537bff98305a61537f7"}}