Pith Number

pith:QVJLUJJP

pith:2015:QVJLUJJPACNSMJ6WR3UU6OU4NW

not attested not anchored not stored refs pending

Discontinuous Galerkin Isogeometric Analysis of Elliptic Diffusion Problems on Segmentations with Gaps

Christoph Hofer, Ioannis Toulopoulos, Ulrich Langer

arxiv:1511.05715 v1 · 2015-11-18 · 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{QVJLUJJPACNSMJ6WR3UU6OU4NW}

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	2026-05-18T01:26:32.947893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8552ba252f009b2627d68ee94f3a9c6da02068e0d12ec8da6a0d75a469b61355

Aliases

arxiv: 1511.05715 · arxiv_version: 1511.05715v1 · doi: 10.48550/arxiv.1511.05715 · pith_short_12: QVJLUJJPACNS · pith_short_16: QVJLUJJPACNSMJ6W · pith_short_8: QVJLUJJP

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/QVJLUJJPACNSMJ6WR3UU6OU4NW \
  | 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: 8552ba252f009b2627d68ee94f3a9c6da02068e0d12ec8da6a0d75a469b61355

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c205c5336ca27ff8f4d880993a399c5f5116a6ff20964dd886b6f05952b1a3bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-11-18T09:59:07Z",
    "title_canon_sha256": "9e6af6a1253bc709e7863a14092dc126ef345c89fb8fdd44e96761369fb1677d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.05715",
    "kind": "arxiv",
    "version": 1
  }
}