Pith Number

pith:W4WEXUN5

pith:2011:W4WEXUN5OWTZK7VXYHDQISWYK4

not attested not anchored not stored refs pending

Computing Optimal Cycle Mean in Parallel on CUDA

Ji\v{r}\'i Barnat, Lubo\v{s} Brim, Milan \v{C}e\v{s}ka, Petr Bauch

arxiv:1111.0627 v1 · 2011-11-02 · cs.DC · cs.DS

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4WEXUN5OWTZK7VXYHDQISWYK4}

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	2026-05-18T04:09:37.266867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72c4bd1bd75a7957eb7c1c7044ad8572c234dd53fc422caa5c9dcc511d93373

Aliases

arxiv: 1111.0627 · arxiv_version: 1111.0627v1 · doi: 10.48550/arxiv.1111.0627 · pith_short_12: W4WEXUN5OWTZ · pith_short_16: W4WEXUN5OWTZK7VX · pith_short_8: W4WEXUN5

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/W4WEXUN5OWTZK7VXYHDQISWYK4 \
  | 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: b72c4bd1bd75a7957eb7c1c7044ad8572c234dd53fc422caa5c9dcc511d93373

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cdd89ac01b4e43e27667addef54bc8ee6f57943e75ee8b058cd70e693a21c9a",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2011-11-02T03:04:48Z",
    "title_canon_sha256": "fd147f2208d9f52fcbb5b2de5f860eb0cffe9399838e68c0b8d2371e355cef40"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.0627",
    "kind": "arxiv",
    "version": 1
  }
}