Pith Number

pith:5QNUL6ZD

pith:2014:5QNUL6ZDXVQLPDKUBHCJ4RBLYM

not attested not anchored not stored refs pending

On the thin boundary of the fat attractor

Artur O. Lopes, Elismar R. Oliveira

arxiv:1402.7313 v4 · 2014-02-28 · 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{5QNUL6ZDXVQLPDKUBHCJ4RBLYM}

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	2026-05-18T00:54:58.382752Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec1b45fb23bd60b78d5409c49e442bc32615d3aead9e509d0df621aee48540f4

Aliases

arxiv: 1402.7313 · arxiv_version: 1402.7313v4 · doi: 10.48550/arxiv.1402.7313 · pith_short_12: 5QNUL6ZDXVQL · pith_short_16: 5QNUL6ZDXVQLPDKU · pith_short_8: 5QNUL6ZD

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/5QNUL6ZDXVQLPDKUBHCJ4RBLYM \
  | 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: ec1b45fb23bd60b78d5409c49e442bc32615d3aead9e509d0df621aee48540f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "faaa7e4128c2cd8c68a34f097aa50a2c649941917db9f6b2c172b815e3480164",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2014-02-28T16:39:37Z",
    "title_canon_sha256": "14749f4bbba10bd22f9a0135331e747b3c62ba866a8677459404fc810f3b2df6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.7313",
    "kind": "arxiv",
    "version": 4
  }
}