Pith Number

pith:FTFQKWCW

pith:2013:FTFQKWCWJOCFAL422ORQXI4JJS

not attested not anchored not stored refs pending

Using Mathematica & Matlab for CAGD/CAD research and education

M.A Jamaludin, R.U. Gobithaasan

arxiv:1303.3077 v2 · 2013-03-13 · cs.CY · cs.CG · cs.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FTFQKWCWJOCFAL422ORQXI4JJS}

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	2026-05-18T03:30:55.973873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2ccb0558564b84502f9ad3a30ba3894c9061ae6d96ab55446169d6a9f6198112

Aliases

arxiv: 1303.3077 · arxiv_version: 1303.3077v2 · doi: 10.48550/arxiv.1303.3077 · pith_short_12: FTFQKWCWJOCF · pith_short_16: FTFQKWCWJOCFAL42 · pith_short_8: FTFQKWCW

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/FTFQKWCWJOCFAL422ORQXI4JJS \
  | 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: 2ccb0558564b84502f9ad3a30ba3894c9061ae6d96ab55446169d6a9f6198112

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10617986641a729f0ecf3b31df03368b3219265a754cf0e85150b8cd852b3ff7",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2013-03-13T02:22:41Z",
    "title_canon_sha256": "53d67fba45f57734f1ae588c35654f5ac8cd47e316f3179a5522e61d5471522a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3077",
    "kind": "arxiv",
    "version": 2
  }
}