Pith Number

pith:WRXXTPZT

pith:2010:WRXXTPZTADOQWA2PYH72AKWKHZ

not attested not anchored not stored refs pending

Recursion operators, conservation laws and integrability conditions for difference equations

Alexander V. Mikhailov, Jing Ping Wang, Pavlos Xenitidis

arxiv:1004.5346 v1 · 2010-04-29 · nlin.SI · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRXXTPZTADOQWA2PYH72AKWKHZ}

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	2026-05-18T02:07:45.021397Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b46f79bf3300dd0b034fc1ffa02aca3e5f5be37d2f1c58c4421b2b3b6ca3c3c4

Aliases

arxiv: 1004.5346 · arxiv_version: 1004.5346v1 · doi: 10.48550/arxiv.1004.5346 · pith_short_12: WRXXTPZTADOQ · pith_short_16: WRXXTPZTADOQWA2P · pith_short_8: WRXXTPZT

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/WRXXTPZTADOQWA2PYH72AKWKHZ \
  | 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: b46f79bf3300dd0b034fc1ffa02aca3e5f5be37d2f1c58c4421b2b3b6ca3c3c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a821f9cdaf7128a406c69c5e9eaaab04a798352d6d4a5cd89fde680cff752e47",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2010-04-29T17:38:43Z",
    "title_canon_sha256": "f6929550e7245990e45ebc2e1aa49fb2e00a1c5facef8eb15840ef90fea146c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.5346",
    "kind": "arxiv",
    "version": 1
  }
}