Pith Number

pith:PBPXSEOM

pith:2025:PBPXSEOMHHLBN26CHWJWFQM5WO

not attested not anchored not stored refs pending

Semaphores Augmented with a Waiting Array

Alex Kogan, Dave Dice

arxiv:2501.18447 v3 · 2025-01-30 · 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{PBPXSEOMHHLBN26CHWJWFQM5WO}

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	2026-07-05T10:52:19.039541Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

785f7911cc39d616ebc23d9362c19db385daa5b2afd33e8fd66598867af516ea

Aliases

arxiv: 2501.18447 · arxiv_version: 2501.18447v3 · doi: 10.48550/arxiv.2501.18447 · pith_short_12: PBPXSEOMHHLB · pith_short_16: PBPXSEOMHHLBN26C · pith_short_8: PBPXSEOM

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/PBPXSEOMHHLBN26CHWJWFQM5WO \
  | 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: 785f7911cc39d616ebc23d9362c19db385daa5b2afd33e8fd66598867af516ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5d9a5473f4662bc8c564a8e1b3dceec578824c87087a408f891539989b33d2b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2025-01-30T16:00:15Z",
    "title_canon_sha256": "a26c4cf332fde372f4e4afdbeb63cc504160d5c2b30be66502803da30dbdd766"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.18447",
    "kind": "arxiv",
    "version": 3
  }
}