pith. sign in
Pith Number

pith:OQFG6ZPI

pith:2014:OQFG6ZPIUGEBHWVXYZBX74A2CQ
not attested not anchored not stored refs pending

Measurement of normal contact stiffness of fractal rough surfaces

Bruno Guelorget, Chongpu Zhai, Delphine Retraint, Dorian Hanaor, Gw\'ena\"elle Proust, S\'ebastien Bevand, Yixiang Gan

arxiv:1408.6272 v2 · 2014-08-26 · cond-mat.mtrl-sci · cond-mat.soft

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{OQFG6ZPIUGEBHWVXYZBX74A2CQ}

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Record completeness

1 Bitcoin timestamp
2 Internet Archive
3 Author claim open · sign in to claim
4 Citations open
5 Replications open
Portable graph bundle live · download bundle · merged state
The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.
Receipt and verification
First computed 2026-05-18T02:43:44.851253Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

740a6f65e8a18813dab7c6437ff01a142530500043afe2f38ed5e5a4947acfda

Aliases

arxiv: 1408.6272 · arxiv_version: 1408.6272v2 · doi: 10.48550/arxiv.1408.6272 · pith_short_12: OQFG6ZPIUGEB · pith_short_16: OQFG6ZPIUGEBHWVX · pith_short_8: OQFG6ZPI
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/OQFG6ZPIUGEBHWVXYZBX74A2CQ \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 740a6f65e8a18813dab7c6437ff01a142530500043afe2f38ed5e5a4947acfda
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "abdb6b5f87aba10133f3adbefa359331d4a703a8e9f989d1189aa7358083170d",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2014-08-26T22:08:26Z",
    "title_canon_sha256": "8c2aa7aac67d4313183c76cbcbc0e1032a730f65480292aeef01e4f95acc796f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.6272",
    "kind": "arxiv",
    "version": 2
  }
}