Pith Number

pith:2QOG7WVV

pith:2016:2QOG7WVVZQ3UIJAOQAUBFGMBOW

not attested not anchored not stored refs pending

Implicit equations of non-degenerate rational Bezier quadric triangles

A. Canton, E. Rosado Maria, L. Fernandez-Jambrina, M.J. Vazquez-Gallo

arxiv:1601.03224 v1 · 2016-01-13 · cs.GR · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2QOG7WVVZQ3UIJAOQAUBFGMBOW}

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	2026-05-18T01:22:55.063461Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d41c6fdab5cc3744240e802812998175a424df43c8bc6f5c43cdf972aa61a77e

Aliases

arxiv: 1601.03224 · arxiv_version: 1601.03224v1 · doi: 10.48550/arxiv.1601.03224 · pith_short_12: 2QOG7WVVZQ3U · pith_short_16: 2QOG7WVVZQ3UIJAO · pith_short_8: 2QOG7WVV

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/2QOG7WVVZQ3UIJAOQAUBFGMBOW \
  | 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: d41c6fdab5cc3744240e802812998175a424df43c8bc6f5c43cdf972aa61a77e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22aca54dc4fcdb06c049b3da0a7017889a04df0530b4d3350dc4939bad98c6e0",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.GR",
    "submitted_at": "2016-01-13T13:11:42Z",
    "title_canon_sha256": "ac7fa3316abf3aa7fbcd2b3e0fad9630ada8860e100379dbe6b58bc0196d0ed5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03224",
    "kind": "arxiv",
    "version": 1
  }
}