{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2004:MIBLQXSMZ3U37EC22PDG4X3YDL","short_pith_number":"pith:MIBLQXSM","canonical_record":{"source":{"id":"cond-mat/0404143","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2004-04-06T16:31:32Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.soft"],"title_canon_sha256":"273cd1e0c706313972474a23447e16c17ce136229b06239deef41f36bb26aef6","abstract_canon_sha256":"33016af288af93ecaf633d49101515c0b985a72fae210eadcf961cf41d9fbd35"},"schema_version":"1.0"},"canonical_sha256":"6202b85e4ccee9bf905ad3c66e5f781afe07b9b6e674c270f4ebdd9b967ef082","source":{"kind":"arxiv","id":"cond-mat/0404143","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0404143","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0404143v1","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0404143","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"MIBLQXSMZ3U3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"MIBLQXSMZ3U37EC2","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"MIBLQXSM","created_at":"2026-05-18T12:25:52Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2004:MIBLQXSMZ3U37EC22PDG4X3YDL","target":"record","payload":{"canonical_record":{"source":{"id":"cond-mat/0404143","kind":"arxiv","version":1},"metadata":{"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2004-04-06T16:31:32Z","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.soft"],"title_canon_sha256":"273cd1e0c706313972474a23447e16c17ce136229b06239deef41f36bb26aef6","abstract_canon_sha256":"33016af288af93ecaf633d49101515c0b985a72fae210eadcf961cf41d9fbd35"},"schema_version":"1.0"},"canonical_sha256":"6202b85e4ccee9bf905ad3c66e5f781afe07b9b6e674c270f4ebdd9b967ef082","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T01:06:54.243995Z","signature_b64":"WIQvmi5xJvgBGYXgPqr/jNDHr62YCRCERihRdIc62v1+rSwsh7YgRQHM6d9j4I/FZxaYWb5rb5N1H+W/nbtPBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"6202b85e4ccee9bf905ad3c66e5f781afe07b9b6e674c270f4ebdd9b967ef082","last_reissued_at":"2026-05-18T01:06:54.243464Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T01:06:54.243464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"cond-mat/0404143","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":"2026-05-18T01:06:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"cUTBe2+k9DwJx9vDaQhjes0cCBTBcGOP5ejX2ooPDHd23wwXpQeNbPU0xIwr4iHX+wZA2t/Eud1sECT4Wrf9Ag==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T08:28:35.282586Z"},"content_sha256":"b84de6074a30d74cc172216c0f101f2ea1f2ddc6cc6b76d919bdad13e1990014","schema_version":"1.0","event_id":"sha256:b84de6074a30d74cc172216c0f101f2ea1f2ddc6cc6b76d919bdad13e1990014"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2004:MIBLQXSMZ3U37EC22PDG4X3YDL","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Exponential and power law distribution of mass clusters in a (magnetic-like) deposition model of elongated grains in 2D piles","license":"","headline":"","cross_cats":["cond-mat.mtrl-sci","cond-mat.soft"],"primary_cat":"cond-mat.stat-mech","authors_text":"Belgium), Euroland), K. Trojan (Wroclaw, M. Ausloos (Liege, Poland), R. Cloots (Liege","submitted_at":"2004-04-06T16:31:32Z","abstract_excerpt":"A generalized so called magnetically controlled ballistic rain-like deposition (MBD) model of granular piles has been numerically investigated in 2D. The grains are taken to be elongated disks whence characterized by a two-state scalar degree of freedom, called ''nip'', their interaction being described through a Hamiltonian. Results are discussed in order to search for the effect of nip flip (or grain rotation from vertical to horizontal and conversely) probability in building a granular pile. The characteristics of creation of + (or $-$) nip's clusters and clusters of holes (missing nips) ar"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0404143","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":""},"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":"2026-05-18T01:06:54Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"E6fnNlXsxcJugdOtOoYgDrUnSVopWxqHBhWGIm5C7RyV2iBIVK9ekRpzHANLzbjxbGd2nkcTQfINhk6AUqdECw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-11T08:28:35.283338Z"},"content_sha256":"9e992b580242ee66c01c0c676adace7efcd38f0f6940e658c2749dcc396f91f6","schema_version":"1.0","event_id":"sha256:9e992b580242ee66c01c0c676adace7efcd38f0f6940e658c2749dcc396f91f6"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/MIBLQXSMZ3U37EC22PDG4X3YDL/bundle.json","state_url":"https://pith.science/pith/MIBLQXSMZ3U37EC22PDG4X3YDL/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/MIBLQXSMZ3U37EC22PDG4X3YDL/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":"2026-06-11T08:28:35Z","links":{"resolver":"https://pith.science/pith/MIBLQXSMZ3U37EC22PDG4X3YDL","bundle":"https://pith.science/pith/MIBLQXSMZ3U37EC22PDG4X3YDL/bundle.json","state":"https://pith.science/pith/MIBLQXSMZ3U37EC22PDG4X3YDL/state.json","well_known_bundle":"https://pith.science/.well-known/pith/MIBLQXSMZ3U37EC22PDG4X3YDL/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2004:MIBLQXSMZ3U37EC22PDG4X3YDL","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":"33016af288af93ecaf633d49101515c0b985a72fae210eadcf961cf41d9fbd35","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.soft"],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2004-04-06T16:31:32Z","title_canon_sha256":"273cd1e0c706313972474a23447e16c17ce136229b06239deef41f36bb26aef6"},"schema_version":"1.0","source":{"id":"cond-mat/0404143","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"cond-mat/0404143","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"arxiv_version","alias_value":"cond-mat/0404143v1","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.cond-mat/0404143","created_at":"2026-05-18T01:06:54Z"},{"alias_kind":"pith_short_12","alias_value":"MIBLQXSMZ3U3","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_16","alias_value":"MIBLQXSMZ3U37EC2","created_at":"2026-05-18T12:25:52Z"},{"alias_kind":"pith_short_8","alias_value":"MIBLQXSM","created_at":"2026-05-18T12:25:52Z"}],"graph_snapshots":[{"event_id":"sha256:9e992b580242ee66c01c0c676adace7efcd38f0f6940e658c2749dcc396f91f6","target":"graph","created_at":"2026-05-18T01:06:54Z","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 generalized so called magnetically controlled ballistic rain-like deposition (MBD) model of granular piles has been numerically investigated in 2D. The grains are taken to be elongated disks whence characterized by a two-state scalar degree of freedom, called ''nip'', their interaction being described through a Hamiltonian. Results are discussed in order to search for the effect of nip flip (or grain rotation from vertical to horizontal and conversely) probability in building a granular pile. The characteristics of creation of + (or $-$) nip's clusters and clusters of holes (missing nips) ar","authors_text":"Belgium), Euroland), K. Trojan (Wroclaw, M. Ausloos (Liege, Poland), R. Cloots (Liege","cross_cats":["cond-mat.mtrl-sci","cond-mat.soft"],"headline":"","license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2004-04-06T16:31:32Z","title":"Exponential and power law distribution of mass clusters in a (magnetic-like) deposition model of elongated grains in 2D piles"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"cond-mat/0404143","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:b84de6074a30d74cc172216c0f101f2ea1f2ddc6cc6b76d919bdad13e1990014","target":"record","created_at":"2026-05-18T01:06:54Z","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":"33016af288af93ecaf633d49101515c0b985a72fae210eadcf961cf41d9fbd35","cross_cats_sorted":["cond-mat.mtrl-sci","cond-mat.soft"],"license":"","primary_cat":"cond-mat.stat-mech","submitted_at":"2004-04-06T16:31:32Z","title_canon_sha256":"273cd1e0c706313972474a23447e16c17ce136229b06239deef41f36bb26aef6"},"schema_version":"1.0","source":{"id":"cond-mat/0404143","kind":"arxiv","version":1}},"canonical_sha256":"6202b85e4ccee9bf905ad3c66e5f781afe07b9b6e674c270f4ebdd9b967ef082","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"6202b85e4ccee9bf905ad3c66e5f781afe07b9b6e674c270f4ebdd9b967ef082","first_computed_at":"2026-05-18T01:06:54.243464Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T01:06:54.243464Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"WIQvmi5xJvgBGYXgPqr/jNDHr62YCRCERihRdIc62v1+rSwsh7YgRQHM6d9j4I/FZxaYWb5rb5N1H+W/nbtPBA==","signature_status":"signed_v1","signed_at":"2026-05-18T01:06:54.243995Z","signed_message":"canonical_sha256_bytes"},"source_id":"cond-mat/0404143","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:b84de6074a30d74cc172216c0f101f2ea1f2ddc6cc6b76d919bdad13e1990014","sha256:9e992b580242ee66c01c0c676adace7efcd38f0f6940e658c2749dcc396f91f6"],"state_sha256":"c6c5ea136494ce3cf8c87d5f6620b3b3616422c38f2db549fd7ba9e0c4477324"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"UOcaDqkGUWZcf729Rt8gqpwfo9PeL6IeBfs4Sm+BhQKv1oVRBVc/oSxX0knPGgG4gI2c3YXreX2XVzfg5aV/AQ==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-11T08:28:35.287291Z","bundle_sha256":"88587ee10b41686641ca062491ea71578fd229ed13f3abe5f76927a586c83b6d"}}