Pith Number

pith:YWFRQF4M

pith:2018:YWFRQF4MTRNMBUCC22W4C7BLHC

not attested not anchored not stored refs pending

Additive Number Theory via Approximation by Regular Languages

Jason Bell, Jeffrey Shallit, Thomas Finn Lidbetter

arxiv:1804.07996 v1 · 2018-04-21 · cs.FL · math.NT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YWFRQF4MTRNMBUCC22W4C7BLHC}

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	2026-05-18T00:17:49.884825Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c58b18178c9c5ac0d042d6adc17c2b388c0186c842eba2ad765ceb97fec2b371

Aliases

arxiv: 1804.07996 · arxiv_version: 1804.07996v1 · doi: 10.48550/arxiv.1804.07996 · pith_short_12: YWFRQF4MTRNM · pith_short_16: YWFRQF4MTRNMBUCC · pith_short_8: YWFRQF4M

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/YWFRQF4MTRNMBUCC22W4C7BLHC \
  | 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: c58b18178c9c5ac0d042d6adc17c2b388c0186c842eba2ad765ceb97fec2b371

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da8b987a9e9bcad1a535bb5815a6c310e459d3026f3379754d38fd3416d7ce4d",
    "cross_cats_sorted": [
      "math.NT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-04-21T16:44:47Z",
    "title_canon_sha256": "f71080e2839d2dab1a09d8b06dee16231f577d95dd6fc259a57f93c4413fbaa9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.07996",
    "kind": "arxiv",
    "version": 1
  }
}