Pith Number

pith:7SZWY333

pith:2012:7SZWY3336P2KCTTSF2CAPCDRJ4

not attested not anchored not stored refs pending

Algebraic entropy for semi-discrete equations

C-M. Viallet, D.K. Demskoi

arxiv:1206.1214 v1 · 2012-06-06 · nlin.SI · math-ph · math.DS · 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{7SZWY3336P2KCTTSF2CAPCDRJ4}

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	2026-05-18T01:57:07.154674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcb36c6f7bf3f4a14e722e840788714f353b9b62587615b26a84419793e5557b

Aliases

arxiv: 1206.1214 · arxiv_version: 1206.1214v1 · doi: 10.48550/arxiv.1206.1214 · pith_short_12: 7SZWY3336P2K · pith_short_16: 7SZWY3336P2KCTTS · pith_short_8: 7SZWY333

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/7SZWY3336P2KCTTSF2CAPCDRJ4 \
  | 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: fcb36c6f7bf3f4a14e722e840788714f353b9b62587615b26a84419793e5557b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaccfe4bc7cd2656e178821092f359c74c7be852a703dd18003d2c3aa9a132c9",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2012-06-06T13:17:54Z",
    "title_canon_sha256": "883984311de256c4109bb3481cc80998b9eb94626fcbd9076f19ad733135021c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.1214",
    "kind": "arxiv",
    "version": 1
  }
}