Pith Number

pith:A6WVQZQJ

pith:2013:A6WVQZQJU7SX33YUPSO2IFGKYC

not attested not anchored not stored refs pending

Unfitted finite element methods using bulk meshes for surface partial differential equations

Charles M. Elliott, Klaus Deckelnick, Thomas Ranner

arxiv:1312.2905 v2 · 2013-12-10 · 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{A6WVQZQJU7SX33YUPSO2IFGKYC}

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	2026-05-18T02:55:58.706802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07ad586609a7e57def147c9da414cac0be6600a2ae11e7aebdc260df1fd6e6d3

Aliases

arxiv: 1312.2905 · arxiv_version: 1312.2905v2 · doi: 10.48550/arxiv.1312.2905 · pith_short_12: A6WVQZQJU7SX · pith_short_16: A6WVQZQJU7SX33YU · pith_short_8: A6WVQZQJ

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/A6WVQZQJU7SX33YUPSO2IFGKYC \
  | 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: 07ad586609a7e57def147c9da414cac0be6600a2ae11e7aebdc260df1fd6e6d3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82181780d1c94b3a4ec2ba2c7cfd2c98cd137c50593eb739b25569d38ac16cb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-12-10T18:19:45Z",
    "title_canon_sha256": "1648c0f3f5bd507de83f5c572e7d4bf6b33ed2f227bc23c12896ea026db2b4d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.2905",
    "kind": "arxiv",
    "version": 2
  }
}