Pith Number

pith:OYA7MS7F

pith:2011:OYA7MS7FAPBA5CESHSMNI32RWY

not attested not anchored not stored refs pending

How Unlucky is 25-Sigma?

Chris Humphrey, John Cotter, Kevin Dowd, Margaret Woods

arxiv:1103.5672 v1 · 2011-03-29 · q-fin.GN · q-fin.RM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYA7MS7FAPBA5CESHSMNI32RWY}

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	2026-05-18T04:25:29.101946Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7601f64be503c20e88923c98d46f51b6091000352eeb8cd0b6cc30b62ed94b5b

Aliases

arxiv: 1103.5672 · arxiv_version: 1103.5672v1 · doi: 10.48550/arxiv.1103.5672 · pith_short_12: OYA7MS7FAPBA · pith_short_16: OYA7MS7FAPBA5CES · pith_short_8: OYA7MS7F

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/OYA7MS7FAPBA5CESHSMNI32RWY \
  | 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: 7601f64be503c20e88923c98d46f51b6091000352eeb8cd0b6cc30b62ed94b5b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "16e5c65b8ca9efab8db1a43f9f1b0613da4ff3e59476c0a23fd74c88d6b9f998",
    "cross_cats_sorted": [
      "q-fin.RM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.GN",
    "submitted_at": "2011-03-29T14:59:44Z",
    "title_canon_sha256": "31ddb175a7e6a6a2bb4de6e562a867f5e0f63171dd62dcf54b495e6861259f2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5672",
    "kind": "arxiv",
    "version": 1
  }
}