Pith Number

pith:ZKJUDRT7

pith:2015:ZKJUDRT7B6E6QZVRUPXQRHE3JM

not attested not anchored not stored refs pending

Limits of level and parameter dependent subdivision schemes: a matrix approach

Costanza Conti, Maria Charina, Nicola Guglielmi, Vladimir Protasov

arxiv:1502.07053 v1 · 2015-02-25 · 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{ZKJUDRT7B6E6QZVRUPXQRHE3JM}

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	2026-05-18T02:26:12.001127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca9341c67f0f89e866b1a3ef089c9b4b38938df153c4f677a94c77dd46e4fa2b

Aliases

arxiv: 1502.07053 · arxiv_version: 1502.07053v1 · doi: 10.48550/arxiv.1502.07053 · pith_short_12: ZKJUDRT7B6E6 · pith_short_16: ZKJUDRT7B6E6QZVR · pith_short_8: ZKJUDRT7

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/ZKJUDRT7B6E6QZVRUPXQRHE3JM \
  | 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: ca9341c67f0f89e866b1a3ef089c9b4b38938df153c4f677a94c77dd46e4fa2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2da253c8773ab4cc700d6449e97729b0f09ed1a34670bbf5f86a0248c1f1e915",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-02-25T05:23:47Z",
    "title_canon_sha256": "5c928b13ee36e3c90e09fbd91172db4964c2a3605cc13cd07a92a9dae5803a1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.07053",
    "kind": "arxiv",
    "version": 1
  }
}