Pith Number

pith:FLQ7J5KI

pith:2014:FLQ7J5KIRORKVADTHTPMY4C4K5

not attested not anchored not stored refs pending

Three Datatype Defining Rewrite Systems for Datatypes of Integers each extending a Datatype of Naturals

Alban Ponse, Jan A. Bergstra

arxiv:1406.3280 v4 · 2014-06-12 · cs.LO · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FLQ7J5KIRORKVADTHTPMY4C4K5}

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	2026-05-18T01:11:00.430289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ae1f4f5488ba2aa80733cdecc705c57619ccc52a27d1c243b12130e739726f7

Aliases

arxiv: 1406.3280 · arxiv_version: 1406.3280v4 · doi: 10.48550/arxiv.1406.3280 · pith_short_12: FLQ7J5KIRORK · pith_short_16: FLQ7J5KIRORKVADT · pith_short_8: FLQ7J5KI

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/FLQ7J5KIRORKVADTHTPMY4C4K5 \
  | 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: 2ae1f4f5488ba2aa80733cdecc705c57619ccc52a27d1c243b12130e739726f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe7f93c13f038181cdc9702b41e8c9a93c38aa1e1e11d193d7327bd050738aeb",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-06-12T16:21:18Z",
    "title_canon_sha256": "3ee49e8e0d28ef3a287536082d50b6412de209c57b8b279b5e6d90b4f6b5300b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3280",
    "kind": "arxiv",
    "version": 4
  }
}