Pith Number

pith:4U25SDCU

pith:2009:4U25SDCUIGTYOVOC45O7SXB7Q3

not attested not anchored not stored refs pending

Kinetic Friction by a Small Number of Intervening Inelastic Particles between Rough Surfaces

Hidetsugu Sakaguchi

arxiv:0909.2132 v1 · 2009-09-11 · cond-mat.soft · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4U25SDCUIGTYOVOC45O7SXB7Q3}

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	2026-05-18T02:11:57.036933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e535d90c5441a78755c2e75df95c3f86fc2b65f5298578b8c72b0d227d08102b

Aliases

arxiv: 0909.2132 · arxiv_version: 0909.2132v1 · doi: 10.48550/arxiv.0909.2132 · pith_short_12: 4U25SDCUIGTY · pith_short_16: 4U25SDCUIGTYOVOC · pith_short_8: 4U25SDCU

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/4U25SDCUIGTYOVOC45O7SXB7Q3 \
  | 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: e535d90c5441a78755c2e75df95c3f86fc2b65f5298578b8c72b0d227d08102b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56d37958806407a31ccad29f79b402f423461b8b4cb538d586e542b3be0c3d65",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2009-09-11T10:04:21Z",
    "title_canon_sha256": "96e46d31471ad03607b3287b21c7df2d15949c818db99429f2cf371cb450cb09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.2132",
    "kind": "arxiv",
    "version": 1
  }
}