Pith Number

pith:GPRIKXRL

pith:2013:GPRIKXRLRP62ZFGAP3F2P4NIUH

not attested not anchored not stored refs pending

On Weak Tractability of the Clenshaw-Curtis Smolyak Algorithm

Aicke Hinrichs, Erich Novak, Mario Ullrich

arxiv:1309.0360 v2 · 2013-09-02 · 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{GPRIKXRLRP62ZFGAP3F2P4NIUH}

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	2026-05-18T02:53:41.151199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

33e2855e2b8bfdac94c07ecba7f1a8a1eeb035cf336a9ccc98d37d6b6ed4bdbd

Aliases

arxiv: 1309.0360 · arxiv_version: 1309.0360v2 · doi: 10.48550/arxiv.1309.0360 · pith_short_12: GPRIKXRLRP62 · pith_short_16: GPRIKXRLRP62ZFGA · pith_short_8: GPRIKXRL

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/GPRIKXRLRP62ZFGAP3F2P4NIUH \
  | 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: 33e2855e2b8bfdac94c07ecba7f1a8a1eeb035cf336a9ccc98d37d6b6ed4bdbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77a004eff5c1e31242b6ed7a5f32f899f7632e3544accf6c92aa0b98bdc1a081",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2013-09-02T10:56:45Z",
    "title_canon_sha256": "f2142b76636d96799426ef6c6d806a6ebab92a1db555ed8b596517ab785c373d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0360",
    "kind": "arxiv",
    "version": 2
  }
}