Pith Number

pith:WMESA5OJ

pith:2018:WMESA5OJJH3K573P5XHDO265KG

not attested not anchored not stored refs pending

Permutation entropy revisited

Antonio Politi, Stuart J Watt

arxiv:1812.05075 v1 · 2018-12-12 · nlin.CD

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WMESA5OJJH3K573P5XHDO265KG}

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	2026-05-17T23:53:23.637269Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3092075c949f6aeff6fedce376bdd519e91c5ebc99d3ffee730b92f1e924e8e

Aliases

arxiv: 1812.05075 · arxiv_version: 1812.05075v1 · doi: 10.48550/arxiv.1812.05075 · pith_short_12: WMESA5OJJH3K · pith_short_16: WMESA5OJJH3K573P · pith_short_8: WMESA5OJ

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/WMESA5OJJH3K573P5XHDO265KG \
  | 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: b3092075c949f6aeff6fedce376bdd519e91c5ebc99d3ffee730b92f1e924e8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "619678e07aba2fd43260050d59d146c7b7e5311c74ba11323ea1bcd58ddf3b68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.CD",
    "submitted_at": "2018-12-12T18:27:12Z",
    "title_canon_sha256": "482e0c1138afeb54147f28bc0e50c64670891f5d8c2fc33a51ffad86494a8d24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05075",
    "kind": "arxiv",
    "version": 1
  }
}