Pith Number

pith:FQGQUOZ6

pith:2014:FQGQUOZ67YCKHDEKIODGHZFPSF

not attested not anchored not stored refs pending

A narrow-band unfitted finite element method for elliptic PDEs posed on surfaces

Danil Safin, Maxim A. Olshanskii

arxiv:1401.7697 v3 · 2014-01-29 · 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{FQGQUOZ67YCKHDEKIODGHZFPSF}

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	2026-05-18T02:29:23.525361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c0d0a3b3efe04a38c8a438663e4af9166800e2ac7d7b67088e781becf4ff300

Aliases

arxiv: 1401.7697 · arxiv_version: 1401.7697v3 · doi: 10.48550/arxiv.1401.7697 · pith_short_12: FQGQUOZ67YCK · pith_short_16: FQGQUOZ67YCKHDEK · pith_short_8: FQGQUOZ6

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/FQGQUOZ67YCKHDEKIODGHZFPSF \
  | 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: 2c0d0a3b3efe04a38c8a438663e4af9166800e2ac7d7b67088e781becf4ff300

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13a3f33d949d538e92f76825fb9c0a71d533eafe7d0d21d5bef2fd1d92062320",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-01-29T23:09:28Z",
    "title_canon_sha256": "be9801ffc5f8eb5867c9754a1893e5dcb2439e18cec3902da91b6a9856d6c8b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.7697",
    "kind": "arxiv",
    "version": 3
  }
}