Pith Number

pith:RJJOPYVJ

pith:2018:RJJOPYVJ5TNDYRE7Z2NTPZDJXV

not attested not anchored not stored refs pending

A nodal type polynomial finite element exact sequence over quadrilaterals

Xinchen Zhou, Xin Fan, Zhaoliang Meng, Zhongxuan Luo

arxiv:1810.06223 v1 · 2018-10-15 · 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{RJJOPYVJ5TNDYRE7Z2NTPZDJXV}

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	2026-05-18T00:03:21.071528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a52e7e2a9ecda3c449fce9b37e469bd403a92779f186e6c8cdd583c15c78261

Aliases

arxiv: 1810.06223 · arxiv_version: 1810.06223v1 · doi: 10.48550/arxiv.1810.06223 · pith_short_12: RJJOPYVJ5TND · pith_short_16: RJJOPYVJ5TNDYRE7 · pith_short_8: RJJOPYVJ

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/RJJOPYVJ5TNDYRE7Z2NTPZDJXV \
  | 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: 8a52e7e2a9ecda3c449fce9b37e469bd403a92779f186e6c8cdd583c15c78261

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31ac89450a2473bd4dbf98557fb3cf96db81f4958127fea8dd38fde31a875bfc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-15T08:36:30Z",
    "title_canon_sha256": "62134fec755ad3a23b33de5d22e78e664b1f05272c79c500587ed0e5f6953cd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.06223",
    "kind": "arxiv",
    "version": 1
  }
}