Pith Number

pith:BOR7ME3U

pith:2019:BOR7ME3UVOZNJWBJZWXD46ZNBM

not attested not anchored not stored refs pending

Provably size-guaranteed mesh generation with superconvergence

Nan Qi, Weiwei Zhang, Xiangrong Li, Yufeng Nie

arxiv:1902.08337 v1 · 2019-02-22 · 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{BOR7ME3UVOZNJWBJZWXD46ZNBM}

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	2026-05-17T23:52:57.590249Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ba3f61374abb2d4d829cdae3e7b2d0b0cac164607ffc767b3518bf205c6caaf

Aliases

arxiv: 1902.08337 · arxiv_version: 1902.08337v1 · doi: 10.48550/arxiv.1902.08337 · pith_short_12: BOR7ME3UVOZN · pith_short_16: BOR7ME3UVOZNJWBJ · pith_short_8: BOR7ME3U

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/BOR7ME3UVOZNJWBJZWXD46ZNBM \
  | 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: 0ba3f61374abb2d4d829cdae3e7b2d0b0cac164607ffc767b3518bf205c6caaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a54519a670cecce05fb452e6baf4f37026483df728d3c1eebff1cfc86fae2064",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-02-22T02:05:02Z",
    "title_canon_sha256": "de9ff1617b6871ecf9726e92b477128b6598ef432566798884f776b2b1b53ebb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.08337",
    "kind": "arxiv",
    "version": 1
  }
}