Pith Number

pith:A6GZ7UUA

pith:2022:A6GZ7UUAI6OBXHOEARUOFESINP

not attested not anchored not stored refs pending

Assessing Confidence with Assurance 2.0

John Rushby, Robin Bloomfield

arxiv:2205.04522 v4 · 2022-05-03 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6GZ7UUAI6OBXHOEARUOFESINP}

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	2026-07-05T08:14:47.486377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

078d9fd280479c1b9dc40468e292486be1d363d443e8a5305a5b589279810be3

Aliases

arxiv: 2205.04522 · arxiv_version: 2205.04522v4 · doi: 10.48550/arxiv.2205.04522 · pith_short_12: A6GZ7UUAI6OB · pith_short_16: A6GZ7UUAI6OBXHOE · pith_short_8: A6GZ7UUA

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/A6GZ7UUAI6OBXHOEARUOFESINP \
  | 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: 078d9fd280479c1b9dc40468e292486be1d363d443e8a5305a5b589279810be3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62e9fba4d44c4b3ac8cda2195f0e4eac41e12f164169a61c61bdd0d5b24befae",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2022-05-03T22:10:59Z",
    "title_canon_sha256": "aedd96b9f42802ab4abd5345ced43e976d809eaabdb8f2cb7ff99e5843be5c77"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.04522",
    "kind": "arxiv",
    "version": 4
  }
}