Pith Number

pith:2ZII4URP

pith:2016:2ZII4URP7KVVZZIF2X6MBRHMM4

not attested not anchored not stored refs pending

Stable discontinuous Galerkin FEM without penalty parameters

Iain Smears, Lorenz John, Michael Neilan

arxiv:1602.04625 v2 · 2016-02-15 · 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{2ZII4URP7KVVZZIF2X6MBRHMM4}

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	2026-05-18T00:50:40.378290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6508e522ffaab5ce505d5fcc0c4ec67186f083b5d9be5538835d2d4a975dc12

Aliases

arxiv: 1602.04625 · arxiv_version: 1602.04625v2 · doi: 10.48550/arxiv.1602.04625 · pith_short_12: 2ZII4URP7KVV · pith_short_16: 2ZII4URP7KVVZZIF · pith_short_8: 2ZII4URP

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/2ZII4URP7KVVZZIF2X6MBRHMM4 \
  | 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: d6508e522ffaab5ce505d5fcc0c4ec67186f083b5d9be5538835d2d4a975dc12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e65ad1130705231ff47f7534fbab002d3118ffd52325e8aed78bfd46f738b95",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-15T10:58:17Z",
    "title_canon_sha256": "fd105ce2b28cadc304e3fa11c0e116c86bdd4eff543a73fb5a85335e5cee7184"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04625",
    "kind": "arxiv",
    "version": 2
  }
}