Pith Number

pith:UCBYUVTD

pith:2002:UCBYUVTDJ2ANPAAXY7O463PK7Q

not attested not anchored not stored refs pending

The serial harness interacting with a wall

B. Niederhauser, L.R.G. Fontes, M. Vachkovskaia, P.A. Ferrari

arxiv:math/0210218 v2 · 2002-10-15 · math.PR · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UCBYUVTDJ2ANPAAXY7O463PK7Q}

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	2026-05-18T04:08:43.138961Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0838a56634e80d78017c7ddcf6deafc138db64836a7172c48654bfabac190d9

Aliases

arxiv: math/0210218 · arxiv_version: math/0210218v2 · doi: 10.48550/arxiv.math/0210218 · pith_short_12: UCBYUVTDJ2AN · pith_short_16: UCBYUVTDJ2ANPAAX · pith_short_8: UCBYUVTD

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/UCBYUVTDJ2ANPAAXY7O463PK7Q \
  | 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: a0838a56634e80d78017c7ddcf6deafc138db64836a7172c48654bfabac190d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea5c70cec6089ce613d9fbddb741208d2465c532522f84c74691fa3a4d4dcc75",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "math.PR",
    "submitted_at": "2002-10-15T13:55:50Z",
    "title_canon_sha256": "acbfcf414ebcdb5513aaf752829899efb97cd9a793f678329eb93831819fa5f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0210218",
    "kind": "arxiv",
    "version": 2
  }
}