Pith Number

pith:PN76X6RQ

pith:2018:PN76X6RQ4TOJTPYHBYFJB47VM7

not attested not anchored not stored refs pending

Biorthogonal splines for optimal weak patch-coupling in isogeometric analysis with applications to finite deformation elasticity

Alexander Popp, Alexander Seitz, Barbara Wohlmuth, Linus Wunderlich, Mert Deniz Alaydin

arxiv:1806.11535 v1 · 2018-06-29 · 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{PN76X6RQ4TOJTPYHBYFJB47VM7}

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	2026-05-17T23:55:20.448451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b7febfa30e4dc99bf070e0a90f3f567d6ed79821e865310d08263228b33b585

Aliases

arxiv: 1806.11535 · arxiv_version: 1806.11535v1 · doi: 10.48550/arxiv.1806.11535 · pith_short_12: PN76X6RQ4TOJ · pith_short_16: PN76X6RQ4TOJTPYH · pith_short_8: PN76X6RQ

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/PN76X6RQ4TOJTPYHBYFJB47VM7 \
  | 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: 7b7febfa30e4dc99bf070e0a90f3f567d6ed79821e865310d08263228b33b585

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a81aef31eb0d275e18f61e61c63ea0bd23c2c86a3e5d1b06ebd1160f7443ed73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-06-29T17:02:16Z",
    "title_canon_sha256": "904f95108b01ebf1774990f1de6e9d8165430978a69e0ccb8d423e857a597686"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.11535",
    "kind": "arxiv",
    "version": 1
  }
}