Pith Number

pith:UULYRQR4

pith:2015:UULYRQR4EHW7UCD63C5ZMUMEJU

not attested not anchored not stored refs pending

General contact mechanics theory for randomly rough surfaces with application to rubber friction

Bo N.J. Persson, Michele Scaraggi

arxiv:1506.06955 v1 · 2015-06-23 · cond-mat.soft

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UULYRQR4EHW7UCD63C5ZMUMEJU}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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	2026-05-18T01:22:39.584968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a51788c23c21edfa087ed8bb9651844d040782c01c95e59b0aa089cb93cca1ac

Aliases

arxiv: 1506.06955 · arxiv_version: 1506.06955v1 · doi: 10.48550/arxiv.1506.06955 · pith_short_12: UULYRQR4EHW7 · pith_short_16: UULYRQR4EHW7UCD6 · pith_short_8: UULYRQR4

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UULYRQR4EHW7UCD63C5ZMUMEJU \
  | 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: a51788c23c21edfa087ed8bb9651844d040782c01c95e59b0aa089cb93cca1ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "742999009e45079d106c1a3f1388cbe5a2cf1f6b2b1f0b405f3935c7b24efbeb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2015-06-23T11:49:00Z",
    "title_canon_sha256": "d026018bd81984aedca5e060059a04f53ddc46e85a45e84dfaa488a4339069f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.06955",
    "kind": "arxiv",
    "version": 1
  }
}