Pith Number

pith:6TXJYFKS

pith:2013:6TXJYFKSZY7FPVSEPYNTYEWK6M

not attested not anchored not stored refs pending

Soundness and Completeness of the NRB Verification Logic

Peter T. Breuer, Simon J. Pickin

arxiv:1306.5585 v2 · 2013-06-24 · 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{6TXJYFKSZY7FPVSEPYNTYEWK6M}

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	2026-05-18T00:06:31.687326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4ee9c1552ce3e57d6447e1b3c12caf323db50f6b98ac43bf0b3da4b1505ca8e

Aliases

arxiv: 1306.5585 · arxiv_version: 1306.5585v2 · doi: 10.48550/arxiv.1306.5585 · pith_short_12: 6TXJYFKSZY7F · pith_short_16: 6TXJYFKSZY7FPVSE · pith_short_8: 6TXJYFKS

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/6TXJYFKSZY7FPVSEPYNTYEWK6M \
  | 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: f4ee9c1552ce3e57d6447e1b3c12caf323db50f6b98ac43bf0b3da4b1505ca8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77549b8d093c1d613d555b794136de60f3a7daecd9490eb5765c92d347c65ccd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2013-06-24T11:55:25Z",
    "title_canon_sha256": "22a1e9c0ea2701421b248dae742947d3bda78de0370527610b9f82fea5f3dbb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5585",
    "kind": "arxiv",
    "version": 2
  }
}