Pith Number

pith:CPFD4AEA

pith:2012:CPFD4AEABECD4NCGB7VNQYR7F6

not attested not anchored not stored refs pending

Partially integrable generalizations of classical integrable models by combination of characteristics method and Hopf-Cole transformation

A. I. Zenchuk

arxiv:1210.7089 v1 · 2012-10-26 · 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{CPFD4AEABECD4NCGB7VNQYR7F6}

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	2026-05-18T03:42:12.768900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13ca3e008009043e34460fead8623f2fa1a780ecacbf486862bd7272e3d57c56

Aliases

arxiv: 1210.7089 · arxiv_version: 1210.7089v1 · doi: 10.48550/arxiv.1210.7089 · pith_short_12: CPFD4AEABECD · pith_short_16: CPFD4AEABECD4NCG · pith_short_8: CPFD4AEA

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/CPFD4AEABECD4NCGB7VNQYR7F6 \
  | 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: 13ca3e008009043e34460fead8623f2fa1a780ecacbf486862bd7272e3d57c56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "712a4c7299c23642794260a4a04a0b1669b4e4654417721f485476019f4fa34b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-10-26T10:16:48Z",
    "title_canon_sha256": "0605ff297fa9bd95dc0e59e5390723cb863b4dd048e5b23c242d37d98049e1bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.7089",
    "kind": "arxiv",
    "version": 1
  }
}