Pith Number

pith:HQ6S53X7

pith:2011:HQ6S53X7TCXZCOGLF5TEXFBS2E

not attested not anchored not stored refs pending

Record-replay debugging for the SCOOP concurrency model

Benjamin Morandi, Bertrand Meyer, Sebastian Nanz

arxiv:1111.1170 v3 · 2011-11-04 · 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{HQ6S53X7TCXZCOGLF5TEXFBS2E}

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	2026-05-18T02:21:34.902214Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c3d2eeeff98af9138cb2f664b9432d10fe0fe933cdc5f6f1aca7e1cf0b92bb6

Aliases

arxiv: 1111.1170 · arxiv_version: 1111.1170v3 · doi: 10.48550/arxiv.1111.1170 · pith_short_12: HQ6S53X7TCXZ · pith_short_16: HQ6S53X7TCXZCOGL · pith_short_8: HQ6S53X7

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/HQ6S53X7TCXZCOGLF5TEXFBS2E \
  | 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: 3c3d2eeeff98af9138cb2f664b9432d10fe0fe933cdc5f6f1aca7e1cf0b92bb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c5a6c9d7373980057a8410144fa293686a90a482d45b32276b93898ae1226064",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2011-11-04T16:15:14Z",
    "title_canon_sha256": "eabf9ea37eae3fedabe9d6e5f736bef2b947da8151fecfa2443db914c1b6526e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1170",
    "kind": "arxiv",
    "version": 3
  }
}