Pith Number

pith:INFMAJL4

pith:2012:INFMAJL4KE3OA5O2K5AIWYLQ4Z

not attested not anchored not stored refs pending

A simple method for finite range decomposition of quadratic forms and Gaussian fields

Roland Bauerschmidt

arxiv:1206.2212 v3 · 2012-06-11 · math.PR · math-ph · math.AP · 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{INFMAJL4KE3OA5O2K5AIWYLQ4Z}

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	2026-05-17T23:46:42.363800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

434ac0257c5136e075da57408b6170e676fa4ef021f2969c865fb7f9afc3cfc4

Aliases

arxiv: 1206.2212 · arxiv_version: 1206.2212v3 · doi: 10.48550/arxiv.1206.2212 · pith_short_12: INFMAJL4KE3O · pith_short_16: INFMAJL4KE3OA5O2 · pith_short_8: INFMAJL4

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/INFMAJL4KE3OA5O2K5AIWYLQ4Z \
  | 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: 434ac0257c5136e075da57408b6170e676fa4ef021f2969c865fb7f9afc3cfc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "effceae7b636f7734d745b1748f8179815475a026b6f9b312f1023e401a3d6a1",
    "cross_cats_sorted": [
      "math-ph",
      "math.AP",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2012-06-11T14:14:11Z",
    "title_canon_sha256": "fffba8466a53dceece1fc6beafd5012d9f39b9626ad703d1986a86cfdb04d7c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.2212",
    "kind": "arxiv",
    "version": 3
  }
}