Pith Number

pith:OUR3LNI4

pith:2009:OUR3LNI447HOIKN5XGUPVNTKXR

not attested not anchored not stored refs pending

On theories of random variables

Ita\"i Ben Yaacov (ICJ)

arxiv:0901.1584 v3 · 2009-01-12 · math.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{OUR3LNI447HOIKN5XGUPVNTKXR}

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	2026-05-18T02:59:06.957250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7523b5b51ce7cee429bdb9a8fab66abc423286536ee15500cd12d55717b668e6

Aliases

arxiv: 0901.1584 · arxiv_version: 0901.1584v3 · doi: 10.48550/arxiv.0901.1584 · pith_short_12: OUR3LNI447HO · pith_short_16: OUR3LNI447HOIKN5 · pith_short_8: OUR3LNI4

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/OUR3LNI447HOIKN5XGUPVNTKXR \
  | 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: 7523b5b51ce7cee429bdb9a8fab66abc423286536ee15500cd12d55717b668e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb1cdbe8d1364f27c882f31a2e999af1706a72595be4c6836b742aab9854c1b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2009-01-12T14:32:34Z",
    "title_canon_sha256": "e08f68f7975a231dba463748703478d5cc299f3a4a6a3ca5036a92b18982cca4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1584",
    "kind": "arxiv",
    "version": 3
  }
}