Pith Number

pith:NZFIJSGY

pith:2018:NZFIJSGY3XRABANWDHE72RTMS2

not attested not anchored not stored refs pending

D.H. Lehmer's Tridiagonal determinant: An Etude in (Andrews-Inspired) Experimental Mathematics

Doron Zeilberger, Shalosh B. Ekhad

arxiv:1808.06730 v1 · 2018-08-21 · 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{NZFIJSGY3XRABANWDHE72RTMS2}

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	2026-05-18T00:07:39.247410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e4a84c8d8dde20081b619c9fd466c96b361399dca11f1b5acd6fd54b2e4aece

Aliases

arxiv: 1808.06730 · arxiv_version: 1808.06730v1 · doi: 10.48550/arxiv.1808.06730 · pith_short_12: NZFIJSGY3XRA · pith_short_16: NZFIJSGY3XRABANW · pith_short_8: NZFIJSGY

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/NZFIJSGY3XRABANWDHE72RTMS2 \
  | 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: 6e4a84c8d8dde20081b619c9fd466c96b361399dca11f1b5acd6fd54b2e4aece

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "60917766a35a2b2b37cd4a309f63a665edd3a3ee00e38be1af4bdf737180e1d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-08-21T01:21:04Z",
    "title_canon_sha256": "25de232b43dd3495c4e118ece452f0005783a1d312965d67a9e2d9c14c0763ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.06730",
    "kind": "arxiv",
    "version": 1
  }
}