Pith Number

pith:WVR6KR2D

pith:2022:WVR6KR2D6JAIKEZXGGYISGYFHH

not attested not anchored not stored refs pending

Lang-n-Send Extended: Sending Regular Expressions to Monitors

Matteo Cimini (University of Massachusetts Lowell, USA)

arxiv:2208.04635 v1 · 2022-08-09 · 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{WVR6KR2D6JAIKEZXGGYISGYFHH}

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	2026-07-05T04:46:59.611865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b563e54743f24085133731b0891b0539eff50a8e7e0bed94a42b37df9c83a650

Aliases

arxiv: 2208.04635 · arxiv_version: 2208.04635v1 · doi: 10.48550/arxiv.2208.04635 · pith_short_12: WVR6KR2D6JAI · pith_short_16: WVR6KR2D6JAIKEZX · pith_short_8: WVR6KR2D

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/WVR6KR2D6JAIKEZXGGYISGYFHH \
  | 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: b563e54743f24085133731b0891b0539eff50a8e7e0bed94a42b37df9c83a650

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "749dae8a5cdcf900829772b1de4ee860ec7b54bf44770f14d2f0d95bfe083358",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2022-08-09T09:54:38Z",
    "title_canon_sha256": "b267b93377a590ac6f66d4c72e991460ff493c349b1c17f2ffc39d6ae07bfa55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2208.04635",
    "kind": "arxiv",
    "version": 1
  }
}