Pith Number

pith:3WNHOOCI

pith:2015:3WNHOOCIB35OWYZNRKLEPBJHO5

not attested not anchored not stored refs pending

Symbolic Manipulation of Code Properties

Casey Meijer, Nelma Moreira, Rog\'erio Reis, Stavros Konstantinidis

arxiv:1504.04715 v2 · 2015-04-18 · 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{3WNHOOCIB35OWYZNRKLEPBJHO5}

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	2026-05-18T01:10:15.210542Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd9a7738480efaeb632d8a96478527776e74012006c9c97ef3b945ba327bd285

Aliases

arxiv: 1504.04715 · arxiv_version: 1504.04715v2 · doi: 10.48550/arxiv.1504.04715 · pith_short_12: 3WNHOOCIB35O · pith_short_16: 3WNHOOCIB35OWYZN · pith_short_8: 3WNHOOCI

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/3WNHOOCIB35OWYZNRKLEPBJHO5 \
  | 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: dd9a7738480efaeb632d8a96478527776e74012006c9c97ef3b945ba327bd285

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3734cae818434557bb1de47617ed6119f20e8445ff915d6725d11d33e65075f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2015-04-18T13:19:49Z",
    "title_canon_sha256": "c2cf67669a1b709cca497ad01bbba72fbbbd55930b450256320c634a1a153332"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04715",
    "kind": "arxiv",
    "version": 2
  }
}