Pith Number

pith:TUXWVGF5

pith:2013:TUXWVGF5X6JBFVZDGZTLRJCUTT

not attested not anchored not stored refs pending

Nonconforming finite element methods on quadrilateral meshes

Jun Hu, Shangyou Zhang

arxiv:1304.4305 v1 · 2013-04-16 · 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{TUXWVGF5X6JBFVZDGZTLRJCUTT}

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	2026-05-18T01:50:32.390899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9d2f6a98bdbf9212d7233666b8a4549cda33c4714198b0b485f813814b26fa2e

Aliases

arxiv: 1304.4305 · arxiv_version: 1304.4305v1 · doi: 10.48550/arxiv.1304.4305 · pith_short_12: TUXWVGF5X6JB · pith_short_16: TUXWVGF5X6JBFVZD · pith_short_8: TUXWVGF5

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/TUXWVGF5X6JBFVZDGZTLRJCUTT \
  | 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: 9d2f6a98bdbf9212d7233666b8a4549cda33c4714198b0b485f813814b26fa2e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb68c049ce1126b6d4701719dc12d6cd57bb1c1d8a9fdccadefeb85eabef3869",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-04-16T01:01:43Z",
    "title_canon_sha256": "36b2b6ad1b6b8f1ce92137140437f41d654960fe96cb282e1c130f51f4c91a99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4305",
    "kind": "arxiv",
    "version": 1
  }
}