Pith Number

pith:D2F3CDP5

pith:2014:D2F3CDP5JC5LO2W6IVOCHNGATZ

not attested not anchored not stored refs pending

Shapes, fingerprints and rational lemniscates

Malik Younsi

arxiv:1406.3545 v2 · 2014-06-13 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2F3CDP5JC5LO2W6IVOCHNGATZ}

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	2026-05-18T02:49:11.440327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e8bb10dfd48bab76ade455c23b4c09e561d1456c9aa5c31524ca7f88a5005c3

Aliases

arxiv: 1406.3545 · arxiv_version: 1406.3545v2 · doi: 10.48550/arxiv.1406.3545 · pith_short_12: D2F3CDP5JC5L · pith_short_16: D2F3CDP5JC5LO2W6 · pith_short_8: D2F3CDP5

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/D2F3CDP5JC5LO2W6IVOCHNGATZ \
  | 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: 1e8bb10dfd48bab76ade455c23b4c09e561d1456c9aa5c31524ca7f88a5005c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7228db6030f2f00cd970f5ea11aa7eab32ef7ad2f580f3cfa1ec2315f2c06ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-06-13T14:20:24Z",
    "title_canon_sha256": "3e15cdf8f2b8c7d8c68dff90cb4e754152731cfa99e9d085c6c2e4c337e764f4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.3545",
    "kind": "arxiv",
    "version": 2
  }
}