Pith Number

pith:Z6CJCPCD

pith:2018:Z6CJCPCD52FMXFCFWS2KOGQIJF

not attested not anchored not stored refs pending

On Runtime Enforcement via Suppressions

Adrian Francalanza, Anna Ingolfsdottir, Ian Cassar, Luca Aceto

arxiv:1807.01004 v1 · 2018-07-03 · 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{Z6CJCPCD52FMXFCFWS2KOGQIJF}

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	2026-05-18T00:11:45.705725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cf84913c43ee8acb9445b4b4a71a084974314e1b6d875bfcf32be20060b5bc71

Aliases

arxiv: 1807.01004 · arxiv_version: 1807.01004v1 · doi: 10.48550/arxiv.1807.01004 · pith_short_12: Z6CJCPCD52FM · pith_short_16: Z6CJCPCD52FMXFCF · pith_short_8: Z6CJCPCD

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/Z6CJCPCD52FMXFCFWS2KOGQIJF \
  | 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: cf84913c43ee8acb9445b4b4a71a084974314e1b6d875bfcf32be20060b5bc71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78149f9a968304166ad0f70b47a429b05e3936a434a4833bdebc3db1b0d1d7ec",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-07-03T07:47:03Z",
    "title_canon_sha256": "0672b4ef39bf69615d393bb62dc25b2d51656c695996acc5340fbab7650b624f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.01004",
    "kind": "arxiv",
    "version": 1
  }
}