Pith Number

pith:3PUJMKP7

pith:2017:3PUJMKP7FFJ6Z2PBH7J33WKS6K

not attested not anchored not stored refs pending

A Class of Automatic Sequences

Michel Rigo, Robert Underwood

arxiv:1712.10259 v2 · 2017-12-29 · 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{3PUJMKP7FFJ6Z2PBH7J33WKS6K}

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	2026-05-18T00:10:14.685530Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbe89629ff2953ece9e13fd3bdd952f2897d3195ccedfcb45cc89fe16aca6f1a

Aliases

arxiv: 1712.10259 · arxiv_version: 1712.10259v2 · doi: 10.48550/arxiv.1712.10259 · pith_short_12: 3PUJMKP7FFJ6 · pith_short_16: 3PUJMKP7FFJ6Z2PB · pith_short_8: 3PUJMKP7

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/3PUJMKP7FFJ6Z2PBH7J33WKS6K \
  | 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: dbe89629ff2953ece9e13fd3bdd952f2897d3195ccedfcb45cc89fe16aca6f1a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "668c7f5c9062e265caf4e9545c2e499786aff71ddbde3274441e666eca5c0d5f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2017-12-29T15:40:20Z",
    "title_canon_sha256": "3be2666c12249a90d805a92afb79e10941ac08bc441f4cec7a1ccbf70416a9ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.10259",
    "kind": "arxiv",
    "version": 2
  }
}