Pith Number

pith:WVCJH3FN

pith:2015:WVCJH3FNHQYI7K65OARHAOPD52

not attested not anchored not stored refs pending

Guided Grammar Convergence

Vadim Zaytsev

arxiv:1503.08476 v1 · 2015-03-29 · cs.SE · cs.FL · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WVCJH3FNHQYI7K65OARHAOPD52}

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	2026-05-18T02:20:01.695230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b54493ecad3c308fabdd70227039e3ee9ca32a9f921f24f31585a79f3b2a227a

Aliases

arxiv: 1503.08476 · arxiv_version: 1503.08476v1 · doi: 10.48550/arxiv.1503.08476 · pith_short_12: WVCJH3FNHQYI · pith_short_16: WVCJH3FNHQYI7K65 · pith_short_8: WVCJH3FN

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/WVCJH3FNHQYI7K65OARHAOPD52 \
  | 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: b54493ecad3c308fabdd70227039e3ee9ca32a9f921f24f31585a79f3b2a227a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7aab123e9df70f52b938c22023948e9bf3025ae1b9ee9c78a367c29127fea43f",
    "cross_cats_sorted": [
      "cs.FL",
      "cs.PL"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2015-03-29T18:40:45Z",
    "title_canon_sha256": "8318b52b1e75f7f326052ed49ff2f190ba9d368690ca7359e8b3e3de6518a00d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.08476",
    "kind": "arxiv",
    "version": 1
  }
}