Pith Number

pith:ZLDOGCPU

pith:2018:ZLDOGCPUZ6EFN4K6NS77LZPQTJ

not attested not anchored not stored refs pending

How Much Data Do You Need? An Operational, Pre-Asymptotic Metric for Fat-tailedness

Nassim Nicholas Taleb

arxiv:1802.05495 v3 · 2018-02-15 · stat.ME · q-fin.ST

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZLDOGCPUZ6EFN4K6NS77LZPQTJ}

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	2026-05-17T23:47:40.157494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cac6e309f4cf8856f15e6cbff5e5f09a515e9a6213d2a8d9471f7d0292757aec

Aliases

arxiv: 1802.05495 · arxiv_version: 1802.05495v3 · doi: 10.48550/arxiv.1802.05495 · pith_short_12: ZLDOGCPUZ6EF · pith_short_16: ZLDOGCPUZ6EFN4K6 · pith_short_8: ZLDOGCPU

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/ZLDOGCPUZ6EFN4K6NS77LZPQTJ \
  | 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: cac6e309f4cf8856f15e6cbff5e5f09a515e9a6213d2a8d9471f7d0292757aec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6705e4370c6e6a9e7f7294fa20e36732d5cd037d622a533b3cc685dedf72811b",
    "cross_cats_sorted": [
      "q-fin.ST"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2018-02-15T11:57:08Z",
    "title_canon_sha256": "8c5c141af5698b33a6ca9cd9de29ce3a51f570d964d06237f92cdbf682e9dbbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05495",
    "kind": "arxiv",
    "version": 3
  }
}