Pith Number

pith:KLGUOGW4

pith:2000:KLGUOGW42UPADD5KMQ5X75KTL5

not attested not anchored not stored refs pending

On the K-property of quantized Arnold cat maps

Sergey Neshveyev

arxiv:math/0002080 v1 · 2000-02-10 · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KLGUOGW42UPADD5KMQ5X75KTL5}

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	2026-05-18T01:38:30.374478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

52cd471adcd51e018faa643b7ff5535f66d84e5da9568ee84809d2612c3cfd75

Aliases

arxiv: math/0002080 · arxiv_version: math/0002080v1 · doi: 10.48550/arxiv.math/0002080 · pith_short_12: KLGUOGW42UPA · pith_short_16: KLGUOGW42UPADD5K · pith_short_8: KLGUOGW4

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/KLGUOGW42UPADD5KMQ5X75KTL5 \
  | 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: 52cd471adcd51e018faa643b7ff5535f66d84e5da9568ee84809d2612c3cfd75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9836685630f6cc5ecb89910e5e3b4c9eff71d2041a2d0e59776406fbc20f1d12",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.OA",
    "submitted_at": "2000-02-10T19:54:57Z",
    "title_canon_sha256": "ee8eaaf33825f7bdd1ed41ebcb1866c386c5b70e15c0dcdbe69558a836a20d12"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0002080",
    "kind": "arxiv",
    "version": 1
  }
}