Pith Number

pith:WKYABRZG

pith:2010:WKYABRZGRYYTPCICAJVM5T7JMC

not attested not anchored not stored refs pending

Higher analogues of the discrete-time Toda equation and the quotient-difference algorithm

Frank W. Nijhoff, Paul E. Spicer, Peter H. van der Kamp

arxiv:1005.0482 v2 · 2010-05-04 · nlin.SI · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WKYABRZGRYYTPCICAJVM5T7JMC}

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	2026-05-18T02:07:43.165157Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2b000c7268e31378902026acecfe960b62484c689b3d126da20e415692e341e

Aliases

arxiv: 1005.0482 · arxiv_version: 1005.0482v2 · doi: 10.48550/arxiv.1005.0482 · pith_short_12: WKYABRZGRYYT · pith_short_16: WKYABRZGRYYTPCIC · pith_short_8: WKYABRZG

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/WKYABRZGRYYTPCICAJVM5T7JMC \
  | 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: b2b000c7268e31378902026acecfe960b62484c689b3d126da20e415692e341e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d46f4b66df84ea56a34bddf533598a91a7413001d935873b8b301218e93d04ad",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2010-05-04T10:14:12Z",
    "title_canon_sha256": "2c8ccbbd3b252a1c841029cd37a700f37f8eecca34358397e1b50c380a4e9cba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.0482",
    "kind": "arxiv",
    "version": 2
  }
}