Pith Number

pith:OFMYBAAS

pith:2021:OFMYBAASFMZ7R7QGSCSXTEFMKG

not attested not anchored not stored refs pending

An optimally convergent smooth blended B-spline construction for semi-structured quadrilateral and hexahedral meshes

Deepesh Toshniwal, Fehmi Cirak, Kim Jie Koh

arxiv:2111.04401 v2 · 2021-11-08 · math.NA · cs.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{OFMYBAASFMZ7R7QGSCSXTEFMKG}

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	2026-07-05T04:43:36.578980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

71598080122b33f8fe0690a57990ac51ad66337d30b29391f7f394f83e80f1ad

Aliases

arxiv: 2111.04401 · arxiv_version: 2111.04401v2 · doi: 10.48550/arxiv.2111.04401 · pith_short_12: OFMYBAASFMZ7 · pith_short_16: OFMYBAASFMZ7R7QG · pith_short_8: OFMYBAAS

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/OFMYBAASFMZ7R7QGSCSXTEFMKG \
  | 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: 71598080122b33f8fe0690a57990ac51ad66337d30b29391f7f394f83e80f1ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5e89caf1d017d91b18494adce2d233436518dd1cc82c71ac899d8f67e77b07d",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2021-11-08T12:10:48Z",
    "title_canon_sha256": "c29eb13205aa6cb8abb0af50ea3a20686acd21da8615b7c9520cf09883de154b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.04401",
    "kind": "arxiv",
    "version": 2
  }
}