Pith Number

pith:US5T3NLW

pith:2018:US5T3NLWAG4RTKST2MSVKBO7RU

not attested not anchored not stored refs pending

The process of purely event-driven programs

Bas van den Heuvel

arxiv:1803.11229 v2 · 2018-03-29 · cs.PL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{US5T3NLWAG4RTKST2MSVKBO7RU}

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	2026-05-18T00:07:21.862130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4bb3db57601b919aa53d3255505df8d2e6da721b6446d5dc27de7f3436a5625

Aliases

arxiv: 1803.11229 · arxiv_version: 1803.11229v2 · doi: 10.48550/arxiv.1803.11229 · pith_short_12: US5T3NLWAG4R · pith_short_16: US5T3NLWAG4RTKST · pith_short_8: US5T3NLW

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/US5T3NLWAG4RTKST2MSVKBO7RU \
  | 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: a4bb3db57601b919aa53d3255505df8d2e6da721b6446d5dc27de7f3436a5625

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dfb491771a3854897ecb6ce0d6c8bb99c5838cd684b8b1e4f7e36f5aee118398",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2018-03-29T19:30:49Z",
    "title_canon_sha256": "91f461bd0ae2149e16b7b358ea2c7bc82e4585618ec384054c32c889f009cf2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.11229",
    "kind": "arxiv",
    "version": 2
  }
}