Pith Number

pith:SYB4YC4I

pith:2018:SYB4YC4IG5XOJK5FXESKZFOJDI

not attested not anchored not stored refs pending

Weak Cost Register Automata are Still Powerful

Filip Mazowiecki, Guillermo A. P\'erez, Micha\"el Cadilhac, Shaull Almagor

arxiv:1804.06336 v1 · 2018-04-17 · 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{SYB4YC4IG5XOJK5FXESKZFOJDI}

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	2026-05-18T00:18:20.982678Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9603cc0b88376ee4aba5b924ac95c91a17bf5574ba990daab6edb15fe52ba811

Aliases

arxiv: 1804.06336 · arxiv_version: 1804.06336v1 · doi: 10.48550/arxiv.1804.06336 · pith_short_12: SYB4YC4IG5XO · pith_short_16: SYB4YC4IG5XOJK5F · pith_short_8: SYB4YC4I

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/SYB4YC4IG5XOJK5FXESKZFOJDI \
  | 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: 9603cc0b88376ee4aba5b924ac95c91a17bf5574ba990daab6edb15fe52ba811

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07a94096d47bf2ca8892b7ecf7846c33924a89ed00d39db529c6eba9cc0fda87",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-04-17T16:03:23Z",
    "title_canon_sha256": "e6e509841f20b27cf4979813e670a977d68ce69fe64888923ea3a26469afdcf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06336",
    "kind": "arxiv",
    "version": 1
  }
}