Pith Number

pith:4EPXDK2K

pith:2012:4EPXDK2KVRLTQ7KI233A24E2PX

not attested not anchored not stored refs pending

Hirota's method and the search for integrable partial difference equations. 1. Equations on a 3x3 stencil

Da-jun Zhang, Jarmo Hietarinta

arxiv:1210.4708 v1 · 2012-10-17 · 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{4EPXDK2KVRLTQ7KI233A24E2PX}

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	2026-05-18T03:42:56.343292Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e11f71ab4aac57387d48d6f60d709a7dd62b40a7cabb8b38b3ef406a90e6787a

Aliases

arxiv: 1210.4708 · arxiv_version: 1210.4708v1 · doi: 10.48550/arxiv.1210.4708 · pith_short_12: 4EPXDK2KVRLT · pith_short_16: 4EPXDK2KVRLTQ7KI · pith_short_8: 4EPXDK2K

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/4EPXDK2KVRLTQ7KI233A24E2PX \
  | 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: e11f71ab4aac57387d48d6f60d709a7dd62b40a7cabb8b38b3ef406a90e6787a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2e1f1a059338bb021206ee42dbf6b8225057835ddeb3652d3adccf04d32fea43",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-10-17T12:03:59Z",
    "title_canon_sha256": "45172de46a853764949bd9394db8bb813993b70325c5dfa15d62797ef2b60f1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4708",
    "kind": "arxiv",
    "version": 1
  }
}