Pith Number

pith:KZ7HST5X

pith:2019:KZ7HST5XSXUCA4O4PSP2CFCEB4

not attested not anchored not stored refs pending

Efficient Randomized Test-And-Set Implementations

George Giakkoupis, Philipp Woelfel

arxiv:1902.04002 v1 · 2019-02-11 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KZ7HST5XSXUCA4O4PSP2CFCEB4}

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	2026-05-17T23:54:17.401593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

567e794fb795e82071dc7c9fa114440f2f84e5d3f6e4464e8d0dd0e1cd6a982a

Aliases

arxiv: 1902.04002 · arxiv_version: 1902.04002v1 · doi: 10.48550/arxiv.1902.04002 · pith_short_12: KZ7HST5XSXUC · pith_short_16: KZ7HST5XSXUCA4O4 · pith_short_8: KZ7HST5X

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/KZ7HST5XSXUCA4O4PSP2CFCEB4 \
  | 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: 567e794fb795e82071dc7c9fa114440f2f84e5d3f6e4464e8d0dd0e1cd6a982a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a64560768625898e65fd9499b3e155c53ad8d24d35c1e074cf100303852442f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2019-02-11T17:07:40Z",
    "title_canon_sha256": "7c22e74b4809a2872a505c9b7a313ef4785954e982513b6dc1b5abe791d97f2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04002",
    "kind": "arxiv",
    "version": 1
  }
}