Pith Number

pith:4HFT5Z7E

pith:2017:4HFT5Z7EMMZ5E53CYV575WOXZD

not attested not anchored not stored refs pending

An efficient algorithm to decide periodicity of b-recognisable sets using MSDF convention

Bernard Boigelot, Isabelle Mainz, Michel Rigo, Victor Marsault

arxiv:1702.03715 v1 · 2017-02-13 · cs.FL · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HFT5Z7EMMZ5E53CYV575WOXZD}

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	2026-05-18T00:50:53.144739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1cb3ee7e46333d27762c57bfed9d7c8c07a0dde91c9d8db423502848a8b96d3

Aliases

arxiv: 1702.03715 · arxiv_version: 1702.03715v1 · doi: 10.48550/arxiv.1702.03715 · pith_short_12: 4HFT5Z7EMMZ5 · pith_short_16: 4HFT5Z7EMMZ5E53C · pith_short_8: 4HFT5Z7E

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/4HFT5Z7EMMZ5E53CYV575WOXZD \
  | 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: e1cb3ee7e46333d27762c57bfed9d7c8c07a0dde91c9d8db423502848a8b96d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "799a287f5c1214ddb1062f277467473a495c75a9ed4ccd488a3fdb9d10b32d71",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-02-13T10:51:45Z",
    "title_canon_sha256": "d009d677e6a8f28a2eccabeb886789d724b56b80759968cd2bec1cda6b4d6507"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.03715",
    "kind": "arxiv",
    "version": 1
  }
}