Pith Number

pith:G2GNGX2M

pith:2010:G2GNGX2MAS6Q6DXZQO4SQMX5G4

not attested not anchored not stored refs pending

A Partial Taxonomy of Substitutability and Interchangeability

Berthe Y. Choueiry, Eugene C. Freuder, Robert Woodward, Shant Karakashian, Steven Prestwhich

arxiv:1010.4609 v1 · 2010-10-22 · 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{G2GNGX2MAS6Q6DXZQO4SQMX5G4}

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	2026-05-18T04:38:57.854189Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

368cd35f4c04bd0f0ef983b92832fd3700119cef682d3051172def3def9b4bcb

Aliases

arxiv: 1010.4609 · arxiv_version: 1010.4609v1 · doi: 10.48550/arxiv.1010.4609 · pith_short_12: G2GNGX2MAS6Q · pith_short_16: G2GNGX2MAS6Q6DXZ · pith_short_8: G2GNGX2M

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/G2GNGX2MAS6Q6DXZQO4SQMX5G4 \
  | 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: 368cd35f4c04bd0f0ef983b92832fd3700119cef682d3051172def3def9b4bcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90ebc15c72a49a93bf9128f2e150bd184e608fdbec0c317b23ff906e08d19a7b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2010-10-22T04:00:00Z",
    "title_canon_sha256": "d4e6bfffc40393bfb9e9d994ec5cacb2b7885c56b7991b6ae76d2cc0492aab55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4609",
    "kind": "arxiv",
    "version": 1
  }
}