Pith Number

pith:6E5GUKR7

pith:2013:6E5GUKR7TEAGR27ARFSSQDV5W7

not attested not anchored not stored refs pending

Qualitative Measures of Ambiguity

Michael S. K. M. Wong, Z. W. Wang

arxiv:1303.1507 v1 · 2013-03-06 · 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{6E5GUKR7TEAGR27ARFSSQDV5W7}

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	2026-05-18T03:31:42.453735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f13a6a2a3f990068ebe08965280ebdb7cea1f88a1ec16e9b35782be96b5e1513

Aliases

arxiv: 1303.1507 · arxiv_version: 1303.1507v1 · doi: 10.48550/arxiv.1303.1507 · pith_short_12: 6E5GUKR7TEAG · pith_short_16: 6E5GUKR7TEAGR27A · pith_short_8: 6E5GUKR7

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/6E5GUKR7TEAGR27ARFSSQDV5W7 \
  | 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: f13a6a2a3f990068ebe08965280ebdb7cea1f88a1ec16e9b35782be96b5e1513

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69bed55a2edff3bb1a8d0d94ca66e7eeb31bfa7dfc4b366f9f193a37104115ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-03-06T14:23:27Z",
    "title_canon_sha256": "0aa7b52103c6d77209e6551c9ba8b88a3a596218eea607638967bf76227631eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.1507",
    "kind": "arxiv",
    "version": 1
  }
}