Pith Number

pith:4JIYRQXG

pith:2013:4JIYRQXGW3EAO37G3B37W5ISY7

not attested not anchored not stored refs pending

Learning From What You Don't Observe

Mark Alan Peot, Ross D. Shachter

arxiv:1301.7407 v1 · 2013-01-30 · 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{4JIYRQXGW3EAO37G3B37W5ISY7}

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	2026-05-18T03:34:59.913648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e25188c2e6b6c8076fe6d877fb7512c7df2a8baeafb1bfa428d1210601eaf0f5

Aliases

arxiv: 1301.7407 · arxiv_version: 1301.7407v1 · doi: 10.48550/arxiv.1301.7407 · pith_short_12: 4JIYRQXGW3EA · pith_short_16: 4JIYRQXGW3EAO37G · pith_short_8: 4JIYRQXG

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/4JIYRQXGW3EAO37G3B37W5ISY7 \
  | 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: e25188c2e6b6c8076fe6d877fb7512c7df2a8baeafb1bfa428d1210601eaf0f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bb132907a8115d232bfc2c0eee29b20cc0e9ace06850697f1419a726be5375c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-01-30T15:06:25Z",
    "title_canon_sha256": "6afb52403f724093ec98aaca345111f8822b59ae1daa5baa74929c73572654be"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.7407",
    "kind": "arxiv",
    "version": 1
  }
}