Pith Number

pith:MQZKMKPO

pith:2018:MQZKMKPOD6FVSAYEZDEANJ6BPS

not attested not anchored not stored refs pending

What Does This Notation Mean Anyway?

David Feller, Fairouz Kamareddine (ULTRA), Joe B. Wells, Sebastien Carlier

arxiv:1806.08771 v1 · 2018-06-12 · cs.LO · cs.FL · 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{MQZKMKPOD6FVSAYEZDEANJ6BPS}

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	2026-05-18T00:12:36.190135Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6432a629ee1f8b590304c8c806a7c17c97ed35f16f3d29978ced94a1b3852108

Aliases

arxiv: 1806.08771 · arxiv_version: 1806.08771v1 · doi: 10.48550/arxiv.1806.08771 · pith_short_12: MQZKMKPOD6FV · pith_short_16: MQZKMKPOD6FVSAYE · pith_short_8: MQZKMKPO

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/MQZKMKPOD6FVSAYEZDEANJ6BPS \
  | 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: 6432a629ee1f8b590304c8c806a7c17c97ed35f16f3d29978ced94a1b3852108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49ed2a699898d70cfe6fe623636d46e4afd56ff6f5f5f3c90bf2e2f91ecacbcf",
    "cross_cats_sorted": [
      "cs.FL",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-06-12T13:07:15Z",
    "title_canon_sha256": "f7f87ac471e454c8ea428ac623e2e307815dcfbdb902da1f52dc6c6207bb73e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08771",
    "kind": "arxiv",
    "version": 1
  }
}