Pith Number

pith:ZSA6L3O4

pith:2018:ZSA6L3O4GLZSOFLZ2KYQPNDE7J

not attested not anchored not stored refs pending

Symmetry-preserving finite element schemes: An introductory investigation

Alexander Bihlo, Francis Valiquette

arxiv:1803.10058 v1 · 2018-03-27 · math.NA · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZSA6L3O4GLZSOFLZ2KYQPNDE7J}

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	2026-05-18T00:20:00.578744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cc81e5eddc32f3271579d2b107b464fa6d6cff40debcfe3b16e5e6139d3ea26a

Aliases

arxiv: 1803.10058 · arxiv_version: 1803.10058v1 · doi: 10.48550/arxiv.1803.10058 · pith_short_12: ZSA6L3O4GLZS · pith_short_16: ZSA6L3O4GLZSOFLZ · pith_short_8: ZSA6L3O4

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/ZSA6L3O4GLZSOFLZ2KYQPNDE7J \
  | 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: cc81e5eddc32f3271579d2b107b464fa6d6cff40debcfe3b16e5e6139d3ea26a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15cdf46db094855eee7bdd71806fb3b8fa1be8d46863f40da3fd9e2ef1e42432",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-03-27T13:10:54Z",
    "title_canon_sha256": "3d0e0684c6895bc1b14dad2aac32cb2c348d7fd263b650e736d3a8c6d50cf6c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10058",
    "kind": "arxiv",
    "version": 1
  }
}