Pith Number

pith:JMWUYP56

pith:2014:JMWUYP56IXX2TXD5OQ7LBS6MUY

not attested not anchored not stored refs pending

On the Construction and the Cardinality of Finite $\sigma$-Fields

M. Sreehari, P. Vellaisamy, S. Ghosh

arxiv:1405.2401 v1 · 2014-05-10 · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMWUYP56IXX2TXD5OQ7LBS6MUY}

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	2026-05-18T02:45:04.094812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b2d4c3fbe45efa9dc7d743eb0cbcca619d736d0fc3b6475d647a82fc0d300f4

Aliases

arxiv: 1405.2401 · arxiv_version: 1405.2401v1 · doi: 10.48550/arxiv.1405.2401 · pith_short_12: JMWUYP56IXX2 · pith_short_16: JMWUYP56IXX2TXD5 · pith_short_8: JMWUYP56

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/JMWUYP56IXX2TXD5OQ7LBS6MUY \
  | 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: 4b2d4c3fbe45efa9dc7d743eb0cbcca619d736d0fc3b6475d647a82fc0d300f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5ab5abc2629f3f8dd2d916ccbd696b7c2fd23337eda02cb44725a99babe65f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2014-05-10T06:49:58Z",
    "title_canon_sha256": "503969bd7d4968464362beb1a0ccae5dc7d71efc190225658737b1d4600fd486"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.2401",
    "kind": "arxiv",
    "version": 1
  }
}