Pith Number

pith:6UNOPF6F

pith:2025:6UNOPF6FFSL7DFNXVG7A6AN23U

not attested not anchored not stored refs pending

Global Permutation Entropy

Abhijeet Avhale (1), Emanuele Verri (1) ((1) University of Greifswald, Germany), Greifswald, Joscha Diehl (1), Niraj Velankar (1)

arxiv:2508.19955 v1 · 2025-08-27 · cs.LG · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6UNOPF6FFSL7DFNXVG7A6AN23U}

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	2026-07-05T12:00:20.787893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f51ae797c52c97f195b7a9be0f01badd20918f0b9767923363a0e20fb7ec9868

Aliases

arxiv: 2508.19955 · arxiv_version: 2508.19955v1 · doi: 10.48550/arxiv.2508.19955 · pith_short_12: 6UNOPF6FFSL7 · pith_short_16: 6UNOPF6FFSL7DFNX · pith_short_8: 6UNOPF6F

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/6UNOPF6FFSL7DFNXVG7A6AN23U \
  | 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: f51ae797c52c97f195b7a9be0f01badd20918f0b9767923363a0e20fb7ec9868

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f0036a22d7f9f8219897860e58a49462cc593813511485efc53686c728cfb23",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-08-27T15:08:12Z",
    "title_canon_sha256": "d2c5cadb340b4fe0597e2f8ffe28566e638ecba6e33f19484c023a514d855ca9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.19955",
    "kind": "arxiv",
    "version": 1
  }
}