Pith Number

pith:WPHQDWBE

pith:2018:WPHQDWBEZO3JILAVAD2IWGYVUR

not attested not anchored not stored refs pending

On a family of sequences related to Chebyshev polynomials

Andrew N.W. Hone, L. Edson Jeffery, Robert G. Selcoe

arxiv:1802.01793 v3 · 2018-02-06 · 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{WPHQDWBEZO3JILAVAD2IWGYVUR}

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	2026-05-18T00:10:10.741627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3cf01d824cbb6942c1500f48b1b15a44e72fefa3512cabc0dc98d92e4b23fb1

Aliases

arxiv: 1802.01793 · arxiv_version: 1802.01793v3 · doi: 10.48550/arxiv.1802.01793 · pith_short_12: WPHQDWBEZO3J · pith_short_16: WPHQDWBEZO3JILAV · pith_short_8: WPHQDWBE

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/WPHQDWBEZO3JILAVAD2IWGYVUR \
  | 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: b3cf01d824cbb6942c1500f48b1b15a44e72fefa3512cabc0dc98d92e4b23fb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "676bee45f520ca99c0620720edc6517713e416ffd43a25e2f2a8f9eba3098802",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NT",
    "submitted_at": "2018-02-06T04:38:52Z",
    "title_canon_sha256": "9cce64a14cba15c69caa04d01f2074cbc5b1ce70f9d91e5508bcc9a5f6308123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.01793",
    "kind": "arxiv",
    "version": 3
  }
}