Pith Number

pith:44KI6DBY

pith:2012:44KI6DBYLMRVRQCUVW2AYIWOCT

not attested not anchored not stored refs pending

Ulam's method for Lasota-Yorke maps with holes

Cecilia Gonz\'alez-Tokman, Christopher Bose, Gary Froyland, Rua Murray

arxiv:1204.2329 v2 · 2012-04-11 · math.DS · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{44KI6DBYLMRVRQCUVW2AYIWOCT}

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	2026-05-18T03:34:38.272404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e7148f0c385b2358c054adb40c22ce14c502b13070f0c4f7ca438378e7a065c9

Aliases

arxiv: 1204.2329 · arxiv_version: 1204.2329v2 · doi: 10.48550/arxiv.1204.2329 · pith_short_12: 44KI6DBYLMRV · pith_short_16: 44KI6DBYLMRVRQCU · pith_short_8: 44KI6DBY

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/44KI6DBYLMRVRQCUVW2AYIWOCT \
  | 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: e7148f0c385b2358c054adb40c22ce14c502b13070f0c4f7ca438378e7a065c9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "864d2cc959e3bc1f6970404d7693ecab935d6dad09412f8ae0a2add44dd45e66",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-04-11T03:50:48Z",
    "title_canon_sha256": "3a6d6b2a26d28b5764a82042a9dde0f3275c3551ba899c3c009cb7b1defa7899"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.2329",
    "kind": "arxiv",
    "version": 2
  }
}