Pith Number

pith:XQKQZ5NB

pith:2018:XQKQZ5NBXOJ37S3IUCQ3LSEYVX

not attested not anchored not stored refs pending

Isentropes and Lyapunov exponents

Gabriella Keszthelyi, Zolt\'an Buczolich

arxiv:1804.01837 v2 · 2018-04-05 · math.DS · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XQKQZ5NBXOJ37S3IUCQ3LSEYVX}

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	2026-05-17T23:41:01.318476Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc150cf5a1bb93bfcb68a0a1b5c898adf8701fec56c3f5fe94a15e71c669fe0a

Aliases

arxiv: 1804.01837 · arxiv_version: 1804.01837v2 · doi: 10.48550/arxiv.1804.01837 · pith_short_12: XQKQZ5NBXOJ3 · pith_short_16: XQKQZ5NBXOJ37S3I · pith_short_8: XQKQZ5NB

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/XQKQZ5NBXOJ37S3IUCQ3LSEYVX \
  | 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: bc150cf5a1bb93bfcb68a0a1b5c898adf8701fec56c3f5fe94a15e71c669fe0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2b723001b6d19b4d90a4a9cc3504189e3bf3b5ba1cf33d915f2ab1d8095ccb1",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2018-04-05T13:21:27Z",
    "title_canon_sha256": "6c1ad5af4c1cafc6c86486ba11bbe065b48136e16176414e55d025f6deb40a2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01837",
    "kind": "arxiv",
    "version": 2
  }
}