Pith Number

pith:JHK2HKZF

pith:2018:JHK2HKZF65LLJ3R25VHSJJ2X6G

not attested not anchored not stored refs pending

Enumerating Cryptarithms Using Deterministic Finite Automata

Ayumi Shinohara, Diptarama Hendrian, Ryo Yoshinaka, Takashi Horiyama, Yuki Nozaki

arxiv:1807.11580 v1 · 2018-07-27 · cs.FL · 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{JHK2HKZF65LLJ3R25VHSJJ2X6G}

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	2026-05-18T00:09:21.739467Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49d5a3ab25f756b4ee3aed4f24a757f19ef61aceda26d158736e48b7679a0903

Aliases

arxiv: 1807.11580 · arxiv_version: 1807.11580v1 · doi: 10.48550/arxiv.1807.11580 · pith_short_12: JHK2HKZF65LL · pith_short_16: JHK2HKZF65LLJ3R2 · pith_short_8: JHK2HKZF

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/JHK2HKZF65LLJ3R25VHSJJ2X6G \
  | 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: 49d5a3ab25f756b4ee3aed4f24a757f19ef61aceda26d158736e48b7679a0903

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8a81d2d0abac8ba302e3669f4d62b5a06d5b7b440275005ef4d2cf6cf75b6ac",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-07-27T01:37:45Z",
    "title_canon_sha256": "6ffedf8ecca079098367d1ae9aab1c283bd9c0b2138e0f7c76649f982d3a467c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.11580",
    "kind": "arxiv",
    "version": 1
  }
}