Pith Number

pith:MAOR4XJL

pith:2015:MAOR4XJLQ545PXFPKUXUYLX26T

not attested not anchored not stored refs pending

Entropy determination based on the ordinal structure of a dynamical system

Inga Stolz, Karsten Keller, Sergiy Maksymenko

arxiv:1502.01309 v1 · 2015-02-04 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MAOR4XJLQ545PXFPKUXUYLX26T}

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	2026-05-18T00:32:36.664719Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

601d1e5d2b8779d7dcaf552f4c2efaf4c8148e00629a585dd376a1c8be108280

Aliases

arxiv: 1502.01309 · arxiv_version: 1502.01309v1 · doi: 10.48550/arxiv.1502.01309 · pith_short_12: MAOR4XJLQ545 · pith_short_16: MAOR4XJLQ545PXFP · pith_short_8: MAOR4XJL

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/MAOR4XJLQ545PXFPKUXUYLX26T \
  | 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: 601d1e5d2b8779d7dcaf552f4c2efaf4c8148e00629a585dd376a1c8be108280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1032025ce90f70b1f9f92068a37950b6b81d1ad56524c56f7a4af1249a96ee6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-02-04T19:53:23Z",
    "title_canon_sha256": "6245c681a8170b7cf253b2947e651605ee6ab85f6e9772d07d11a474d0c3be9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01309",
    "kind": "arxiv",
    "version": 1
  }
}