Pith Number

pith:K6UBWNSS

pith:2021:K6UBWNSSV4RNMJK52JYG5AR5BF

not attested not anchored not stored refs pending

Proof Generation in CDSAT

Italy), Maria Paola Bonacina (Universit\`a degli Studi di Verona

arxiv:2107.02351 v1 · 2021-07-06 · cs.LO · 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{K6UBWNSSV4RNMJK52JYG5AR5BF}

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	2026-07-05T02:55:19.674935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57a81b3652af22d6255dd2706e823d0969603c0b3e9579874e1885d3e142e2ef

Aliases

arxiv: 2107.02351 · arxiv_version: 2107.02351v1 · doi: 10.48550/arxiv.2107.02351 · pith_short_12: K6UBWNSSV4RN · pith_short_16: K6UBWNSSV4RNMJK5 · pith_short_8: K6UBWNSS

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/K6UBWNSSV4RNMJK52JYG5AR5BF \
  | 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: 57a81b3652af22d6255dd2706e823d0969603c0b3e9579874e1885d3e142e2ef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a67f8aa0f7db995cba271155ac9c5f21a60451737eb1c05cf226a495d432d51",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2021-07-06T02:35:21Z",
    "title_canon_sha256": "91cce612b292a25d4230439a6f621b602fd673cac0b12176d6fc966dfddfcf96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.02351",
    "kind": "arxiv",
    "version": 1
  }
}