Pith Number

pith:O27VZPR6

pith:2021:O27VZPR6EHHO6J6H7BX2IOA6WU

not attested not anchored not stored refs pending

Automated Modular Verification for Race-Free Channels with Implicit and Explicit Synchronization

Andreea Costea, Florin Craciun, Shengchao Qin, Wei-Ngan Chin

arxiv:2109.11802 v1 · 2021-09-24 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O27VZPR6EHHO6J6H7BX2IOA6WU}

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	2026-07-05T03:17:07.647103Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76bf5cbe3e21ceef27c7f86fa4381eb52e7673e55a83d73d72d09765f195354d

Aliases

arxiv: 2109.11802 · arxiv_version: 2109.11802v1 · doi: 10.48550/arxiv.2109.11802 · pith_short_12: O27VZPR6EHHO · pith_short_16: O27VZPR6EHHO6J6H · pith_short_8: O27VZPR6

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/O27VZPR6EHHO6J6H7BX2IOA6WU \
  | 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: 76bf5cbe3e21ceef27c7f86fa4381eb52e7673e55a83d73d72d09765f195354d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad042d2808b8e78c6db26c2ac740634d7a463c5cb236f7d35c0f31a01f20c2d3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2021-09-24T08:29:18Z",
    "title_canon_sha256": "2cf3a0185dd05817f27e297f242e40e2270a1689469bce0de7b37250cbc9458f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11802",
    "kind": "arxiv",
    "version": 1
  }
}