Pith Number

pith:7JQQVKVB

pith:2017:7JQQVKVBMQZQGKETB2MZDWADVC

not attested not anchored not stored refs pending

Abelian-Square-Rich Words

Filippo Mignosi, Gabriele Fici, Jeffrey Shallit

arxiv:1701.00948 v3 · 2017-01-04 · cs.DM · cs.FL · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JQQVKVBMQZQGKETB2MZDWADVC}

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	2026-05-18T00:50:03.874922Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa610aaaa164330328930e9991d803a8ac3b5313d4494cb5794d76affb0d92c1

Aliases

arxiv: 1701.00948 · arxiv_version: 1701.00948v3 · doi: 10.48550/arxiv.1701.00948 · pith_short_12: 7JQQVKVBMQZQ · pith_short_16: 7JQQVKVBMQZQGKET · pith_short_8: 7JQQVKVB

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/7JQQVKVBMQZQGKETB2MZDWADVC \
  | 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: fa610aaaa164330328930e9991d803a8ac3b5313d4494cb5794d76affb0d92c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f02d1e665af1d59c310e75b268dc384701eb999d0d20b4c29bf256e36e7e629",
    "cross_cats_sorted": [
      "cs.FL",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2017-01-04T10:16:30Z",
    "title_canon_sha256": "71ef1e79fde2999366375fde5d376ac91b39b3220bc4fda38ccd7f7b9d1e3a8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00948",
    "kind": "arxiv",
    "version": 3
  }
}