Pith Number

pith:YY4CPT4J

pith:2015:YY4CPT4JMQ7X23RNO2OWHVBHQZ

not attested not anchored not stored refs pending

On Isogeometric Subdivision Methods for PDEs on Surfaces

Angelos Mantzaflaris, Bert J\"uttler, Martin Rumpf, Ricardo Perl

arxiv:1503.03730 v1 · 2015-03-12 · 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{YY4CPT4JMQ7X23RNO2OWHVBHQZ}

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	2026-05-18T02:24:27.531692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c63827cf89643f7d6e2d769d63d427866c7b9055fe173dc431d43e5b647680b0

Aliases

arxiv: 1503.03730 · arxiv_version: 1503.03730v1 · doi: 10.48550/arxiv.1503.03730 · pith_short_12: YY4CPT4JMQ7X · pith_short_16: YY4CPT4JMQ7X23RN · pith_short_8: YY4CPT4J

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/YY4CPT4JMQ7X23RNO2OWHVBHQZ \
  | 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: c63827cf89643f7d6e2d769d63d427866c7b9055fe173dc431d43e5b647680b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c963acc5e675f36ded0ab53b0a9b2294a586933e36dd0b63d387466bf1a5e4e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-03-12T14:17:54Z",
    "title_canon_sha256": "9f4078ac366bacc6226f50f3371dad8729c3483e00b4b025a969ba3c73befd2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.03730",
    "kind": "arxiv",
    "version": 1
  }
}