Pith Number

pith:I6GEYYO5

pith:2020:I6GEYYO5MSCC77XIYQ7X7VGVIS

not attested not anchored not stored refs pending

Tuned Hybrid Non-Uniform Subdivision Surfaces with Optimal Convergence Rates

Thomas J. R. Hughes, Xiaodong Wei, Xin Li, Yongjie Jessica Zhang

arxiv:2003.12097 v1 · 2020-03-26 · 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{I6GEYYO5MSCC77XIYQ7X7VGVIS}

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	2026-07-05T00:50:55.440367Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

478c4c61dd64842ffee8c43f7fd4d544b7d310d6587d38bb338c1b8b560e6c1b

Aliases

arxiv: 2003.12097 · arxiv_version: 2003.12097v1 · doi: 10.48550/arxiv.2003.12097 · pith_short_12: I6GEYYO5MSCC · pith_short_16: I6GEYYO5MSCC77XI · pith_short_8: I6GEYYO5

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/I6GEYYO5MSCC77XIYQ7X7VGVIS \
  | 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: 478c4c61dd64842ffee8c43f7fd4d544b7d310d6587d38bb338c1b8b560e6c1b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "313151da380ff86b111b0160ed9860d8392ad777e44fb8fa871d2096956626c9",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2020-03-26T18:30:56Z",
    "title_canon_sha256": "f070123a8668303912c4cf8f99c5d147958d2a9c4d3281fbaeb97aa3122e0284"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.12097",
    "kind": "arxiv",
    "version": 1
  }
}