Pith Number

pith:P7AZWADZ

pith:2014:P7AZWADZRO7PTGO5YSVFMWTENV

not attested not anchored not stored refs pending

An Intensional Concurrent Faithful Encoding of Turing Machines

Saclay), Thomas Given-Wilson (INRIA

arxiv:1404.0545 v4 · 2014-04-02 · 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{P7AZWADZRO7PTGO5YSVFMWTENV}

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	2026-05-18T02:39:16.460537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7fc19b00798bbef999ddc4aa565a646d5d3c511d978aa42d5e8181d051e35c6f

Aliases

arxiv: 1404.0545 · arxiv_version: 1404.0545v4 · doi: 10.48550/arxiv.1404.0545 · pith_short_12: P7AZWADZRO7P · pith_short_16: P7AZWADZRO7PTGO5 · pith_short_8: P7AZWADZ

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/P7AZWADZRO7PTGO5YSVFMWTENV \
  | 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: 7fc19b00798bbef999ddc4aa565a646d5d3c511d978aa42d5e8181d051e35c6f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "178cf1b0f4c66342610c6b164ddac1f3a18d0b945daa6e21dabaaec23601c7b0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2014-04-02T13:25:43Z",
    "title_canon_sha256": "b603c588f882d1866223447c2dcec651d419841f14c8a92374f22a4662dcd182"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.0545",
    "kind": "arxiv",
    "version": 4
  }
}