Pith Number

pith:WIDSVHDO

pith:2019:WIDSVHDOYRSRZ6MO4E3IONPVKI

not attested not anchored not stored refs pending

The Power of One-State Turing Machines

Marzio De Biasi

arxiv:1901.07125 v1 · 2019-01-22 · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIDSVHDOYRSRZ6MO4E3IONPVKI}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-17T23:55:48.090759Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2072a9c6ec4651cf98ee1368735f55226598c792ead7b02b1a5faac44acd061

Aliases

arxiv: 1901.07125 · arxiv_version: 1901.07125v1 · doi: 10.48550/arxiv.1901.07125 · pith_short_12: WIDSVHDOYRSR · pith_short_16: WIDSVHDOYRSRZ6MO · pith_short_8: WIDSVHDO

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/WIDSVHDOYRSRZ6MO4E3IONPVKI \
  | 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: b2072a9c6ec4651cf98ee1368735f55226598c792ead7b02b1a5faac44acd061

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4a0f5f6f5248b4250d22d21535d5c42a7d0e429705ef19df36b942491593e9d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2019-01-22T00:09:17Z",
    "title_canon_sha256": "ba31b7de6c9af5230cdea446943e5488294efee26ba7a2dc7506833afb702726"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.07125",
    "kind": "arxiv",
    "version": 1
  }
}