Pith Number

pith:DALOC4BV

pith:2012:DALOC4BVWQWLY7X5UUAXAKNVO4

not attested not anchored not stored refs pending

The shape of a ponytail and the statistical physics of hair fiber bundles

Patrick B. Warren, Raymond E. Goldstein, Robin C. Ball

arxiv:1204.0371 v1 · 2012-04-02 · cond-mat.stat-mech · 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{DALOC4BVWQWLY7X5UUAXAKNVO4}

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	2026-05-18T03:58:49.484706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1816e17035b42cbc7efda5017029b5770797bf14b22b4740091a6859d4b3d4d4

Aliases

arxiv: 1204.0371 · arxiv_version: 1204.0371v1 · doi: 10.48550/arxiv.1204.0371 · pith_short_12: DALOC4BVWQWL · pith_short_16: DALOC4BVWQWLY7X5 · pith_short_8: DALOC4BV

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/DALOC4BVWQWLY7X5UUAXAKNVO4 \
  | 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: 1816e17035b42cbc7efda5017029b5770797bf14b22b4740091a6859d4b3d4d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffdc23411546a6eec3bc3f87d7dfc66a7eddecdf884cd1bc3924228b212b7f7c",
    "cross_cats_sorted": [
      "cond-mat.soft"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.stat-mech",
    "submitted_at": "2012-04-02T11:27:01Z",
    "title_canon_sha256": "b8064c6e453d30152e26c54f19544803c7601ffe38c11eab027a9e46cac36238"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0371",
    "kind": "arxiv",
    "version": 1
  }
}