Pith Number

pith:FFQ4EMJO

pith:2011:FFQ4EMJO3CGGTIR6TNTWYL47PC

not attested not anchored not stored refs pending

Parallel algorithms for normalization

Andreas Steenpass, Gerhard Pfister, Janko Boehm, Santiago Laplagne, Stefan Steidel, Wolfram Decker

arxiv:1110.4299 v2 · 2011-10-19 · math.AC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FFQ4EMJO3CGGTIR6TNTWYL47PC}

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	2026-05-18T03:33:59.943465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2961c2312ed88c69a23e9b676c2f9f78b5b4215d658bf673a2e3ecfeac7eeddd

Aliases

arxiv: 1110.4299 · arxiv_version: 1110.4299v2 · doi: 10.48550/arxiv.1110.4299 · pith_short_12: FFQ4EMJO3CGG · pith_short_16: FFQ4EMJO3CGGTIR6 · pith_short_8: FFQ4EMJO

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/FFQ4EMJO3CGGTIR6TNTWYL47PC \
  | 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: 2961c2312ed88c69a23e9b676c2f9f78b5b4215d658bf673a2e3ecfeac7eeddd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "018299d43fc853d6eac23983423974fecd23e170f5114d8fc15c72b02bf5fb8a",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2011-10-19T14:47:10Z",
    "title_canon_sha256": "2b7e79ca24836fdddc088a1445894ebc4009881cd4c9c89ea4b250568f90a4ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.4299",
    "kind": "arxiv",
    "version": 2
  }
}