Pith Number

pith:W5LBP4YE

pith:2010:W5LBP4YE3ANO6XYEHOXFQZ2CXD

not attested not anchored not stored refs pending

Another extension of the disc algebra

N. Papadatos, V. Nestoridis

arxiv:1012.3674 v2 · 2010-12-16 · 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{W5LBP4YE3ANO6XYEHOXFQZ2CXD}

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	2026-05-18T00:58:04.843899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b75617f304d81aef5f043bae586742b8ff5d7cbb35ce709b5f022f95d62facdd

Aliases

arxiv: 1012.3674 · arxiv_version: 1012.3674v2 · doi: 10.48550/arxiv.1012.3674 · pith_short_12: W5LBP4YE3ANO · pith_short_16: W5LBP4YE3ANO6XYE · pith_short_8: W5LBP4YE

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/W5LBP4YE3ANO6XYEHOXFQZ2CXD \
  | 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: b75617f304d81aef5f043bae586742b8ff5d7cbb35ce709b5f022f95d62facdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "150a787789ae15e23e6acf8bc4bffe2e6633c797457f66d664dd436a02aab95a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2010-12-16T16:59:29Z",
    "title_canon_sha256": "d43895a6d211ab2f1b1f2818c25ecd043aa4509efb786a43aa52f963e3d1819e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3674",
    "kind": "arxiv",
    "version": 2
  }
}