Pith Number

pith:4HQCLKZY

pith:2016:4HQCLKZYZYWWYP7IMYO6RHJZ5N

not attested not anchored not stored refs pending

A trace finite element method for PDEs on evolving surfaces

Maxim A. Olshanskii, Xianmin Xu

arxiv:1610.05831 v2 · 2016-10-19 · 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{4HQCLKZYZYWWYP7IMYO6RHJZ5N}

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	2026-05-18T00:50:59.359732Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e025ab38ce2d6c3fe8661de89d39eb7dcaea95b9e512da46c478f9c23b2af3

Aliases

arxiv: 1610.05831 · arxiv_version: 1610.05831v2 · doi: 10.48550/arxiv.1610.05831 · pith_short_12: 4HQCLKZYZYWW · pith_short_16: 4HQCLKZYZYWWYP7I · pith_short_8: 4HQCLKZY

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/4HQCLKZYZYWWYP7IMYO6RHJZ5N \
  | 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: e1e025ab38ce2d6c3fe8661de89d39eb7dcaea95b9e512da46c478f9c23b2af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14d0d3dae20d9cf78de06ffcd680beb6ab1f2a3b9c3279fcef7200d92ed4c8d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-10-19T00:22:15Z",
    "title_canon_sha256": "1b39015bc1ce30a7f3f79b2e877404c1a5ea4bff4d4f9b0b9abbf621f65b150d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05831",
    "kind": "arxiv",
    "version": 2
  }
}