Pith Number

pith:UKBONHPZ

pith:2017:UKBONHPZR6U4PV2FRHI5Z2DH7V

not attested not anchored not stored refs pending

The Generalized Nagell-Ljunggren Problem: Powers with Repetitive Representations

Andrew Bridy, Arlo Shallit, Jeffrey Shallit, Robert J. Lemke Oliver

arxiv:1707.03894 v2 · 2017-07-12 · math.NT · 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{UKBONHPZR6U4PV2FRHI5Z2DH7V}

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	2026-05-18T00:39:45.715682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a282e69df98fa9c7d74589d1dce867fd5447b17a90796cf729a8de3ef0880f8f

Aliases

arxiv: 1707.03894 · arxiv_version: 1707.03894v2 · doi: 10.48550/arxiv.1707.03894 · pith_short_12: UKBONHPZR6U4 · pith_short_16: UKBONHPZR6U4PV2F · pith_short_8: UKBONHPZ

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/UKBONHPZR6U4PV2FRHI5Z2DH7V \
  | 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: a282e69df98fa9c7d74589d1dce867fd5447b17a90796cf729a8de3ef0880f8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73bbc06a9474b0660091b7b39de38ba74626df768ef277434706577c525ed58c",
    "cross_cats_sorted": [
      "cs.FL",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2017-07-12T20:25:31Z",
    "title_canon_sha256": "3de909da895b4214d2ee3942af2a96ce774a60ac79ae784fe2d507370a29c3d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.03894",
    "kind": "arxiv",
    "version": 2
  }
}