Pith Number

pith:6VO54RBB

pith:2014:6VO54RBBUM5KJAWR7JSTN4XA6K

not attested not anchored not stored refs pending

B\'{e}zier projection: a unified approach for local projection and quadrature-free refinement and coarsening of NURBS and T-splines with particular application to isogeometric design and analysis

Derek C. Thomas, Emily J. Evans, John A. Evans, Kevin Tew, Michael A. Scott

arxiv:1404.7155 v1 · 2014-04-28 · 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{6VO54RBBUM5KJAWR7JSTN4XA6K}

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	2026-05-18T01:43:22.354639Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f55dde4421a33aa482d1fa6536f2e0f2af48b45b6fea6ab3ebed07a064363118

Aliases

arxiv: 1404.7155 · arxiv_version: 1404.7155v1 · doi: 10.48550/arxiv.1404.7155 · pith_short_12: 6VO54RBBUM5K · pith_short_16: 6VO54RBBUM5KJAWR · pith_short_8: 6VO54RBB

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/6VO54RBBUM5KJAWR7JSTN4XA6K \
  | 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: f55dde4421a33aa482d1fa6536f2e0f2af48b45b6fea6ab3ebed07a064363118

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4359d1da2c6364e75b48bbef24e42892257710430a0ea81deb5c3098a8f38314",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-04-28T20:05:31Z",
    "title_canon_sha256": "8191ade7bcc7c87c5562536a1de4f857e7c06f3d2ee04c24c36f72091f4081c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.7155",
    "kind": "arxiv",
    "version": 1
  }
}