Pith Number

pith:XKH7RQVA

pith:2014:XKH7RQVAH3PF7PYLYQIZ54FVRU

not attested not anchored not stored refs pending

On finite complete rewriting systems, finite derivation type, and automaticity for homogeneous monoids

Alan J. Cain, Ant\'onio Malheiro, Robert Gray

arxiv:1407.7428 v2 · 2014-07-28 · math.GR · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XKH7RQVAH3PF7PYLYQIZ54FVRU}

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	2026-05-18T00:44:37.449983Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba8ff8c2a03ede5fbf0bc4119ef0b58d1b5f486ff28b2d67944b0209700f67c1

Aliases

arxiv: 1407.7428 · arxiv_version: 1407.7428v2 · doi: 10.48550/arxiv.1407.7428 · pith_short_12: XKH7RQVAH3PF · pith_short_16: XKH7RQVAH3PF7PYL · pith_short_8: XKH7RQVA

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/XKH7RQVAH3PF7PYLYQIZ54FVRU \
  | 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: ba8ff8c2a03ede5fbf0bc4119ef0b58d1b5f486ff28b2d67944b0209700f67c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1871b8b41153499898857cd2900db05e169940686dc86bc948b681514854ded1",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2014-07-28T14:19:06Z",
    "title_canon_sha256": "1ab60a73f115f21f939e5f870e7059ad950a0f6c64a7648923dbbed20bc05900"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.7428",
    "kind": "arxiv",
    "version": 2
  }
}