Pith Number

pith:XR7CHJQ3

pith:2006:XR7CHJQ3E6KG77WIVIHHGYRGIV

not attested not anchored not stored refs pending

Quasi-exact solvability in a general polynomial setting

David Gomez-Ullate, Niky Kamran, Robert Milson

arxiv:nlin/0610065 v1 · 2006-10-27 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XR7CHJQ3E6KG77WIVIHHGYRGIV}

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	2026-05-18T03:20:33.374834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc7e23a61b27946ffec8aa0e736226454012206c92008fd789628c049d12e762

Aliases

arxiv: nlin/0610065 · arxiv_version: nlin/0610065v1 · doi: 10.48550/arxiv.nlin/0610065 · pith_short_12: XR7CHJQ3E6KG · pith_short_16: XR7CHJQ3E6KG77WI · pith_short_8: XR7CHJQ3

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/XR7CHJQ3E6KG77WIVIHHGYRGIV \
  | 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: bc7e23a61b27946ffec8aa0e736226454012206c92008fd789628c049d12e762

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbe6714fa63393a06efc4df03a4dda464c513f58793d988f9b63359c3584049b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "nlin.SI",
    "submitted_at": "2006-10-27T10:26:57Z",
    "title_canon_sha256": "91f988f93a7af585ee85319540984be5d506535a4112b32bfd006277dab0b7c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "nlin/0610065",
    "kind": "arxiv",
    "version": 1
  }
}