Pith Number

pith:NTO4YBPW

pith:2013:NTO4YBPWYHMJVCPL4Y2HPIBEXC

not attested not anchored not stored refs pending

Perfectly normal type-2 fuzzy interpolation B-spline curve

Abd. Fatah Wahab, Rozaimi Zakaria, R.U. Gobithaasan

arxiv:1305.0001 v1 · 2013-04-30 · 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{NTO4YBPWYHMJVCPL4Y2HPIBEXC}

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	2026-05-18T03:26:42.282180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6cddcc05f6c1d89a89ebe63477a024b8916d93d3dc738a6fb71781b65160c552

Aliases

arxiv: 1305.0001 · arxiv_version: 1305.0001v1 · doi: 10.48550/arxiv.1305.0001 · pith_short_12: NTO4YBPWYHMJ · pith_short_16: NTO4YBPWYHMJVCPL · pith_short_8: NTO4YBPW

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/NTO4YBPWYHMJVCPL4Y2HPIBEXC \
  | 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: 6cddcc05f6c1d89a89ebe63477a024b8916d93d3dc738a6fb71781b65160c552

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "61b055c70b912ae23c50d8baa0acb3979cd7cb9e329987e3cd27a4fe506cb881",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2013-04-30T05:12:05Z",
    "title_canon_sha256": "9cc53bc9645c57d3d1f33eff57cee5b31ee0f4271feaf5cafdc71d6aeecce0bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.0001",
    "kind": "arxiv",
    "version": 1
  }
}