Pith Number

pith:67DYXT3B

pith:2013:67DYXT3BQYNT5RJMLTGK2XG7TM

not attested not anchored not stored refs pending

An Eulerian space-time finite element method for diffusion problems on evolving surfaces

Arnold Reusken, Maxim A. Olshanskii, Xianmin Xu

arxiv:1304.6155 v3 · 2013-04-23 · 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{67DYXT3BQYNT5RJMLTGK2XG7TM}

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	2026-05-18T02:54:39.634731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7c78bcf61861b3ec52c5cccad5cdf9b1c73b1055f3d55124de26998e55e981a

Aliases

arxiv: 1304.6155 · arxiv_version: 1304.6155v3 · doi: 10.48550/arxiv.1304.6155 · pith_short_12: 67DYXT3BQYNT · pith_short_16: 67DYXT3BQYNT5RJM · pith_short_8: 67DYXT3B

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/67DYXT3BQYNT5RJMLTGK2XG7TM \
  | 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: f7c78bcf61861b3ec52c5cccad5cdf9b1c73b1055f3d55124de26998e55e981a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f85d8ef713e87b26b4af131559104117d1c193018ab184c05458ca1f36db5745",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-04-23T03:02:27Z",
    "title_canon_sha256": "012f58624e14271291230ad1edf1b43cdc07621ac932c8149d693d7fb8f50249"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6155",
    "kind": "arxiv",
    "version": 3
  }
}