Pith Number

pith:A7GPY4WW

pith:2011:A7GPY4WW6ULMR43IMJVABMILEL

not attested not anchored not stored refs pending

Black swans or dragon kings? A simple test for deviations from the power law

Joanna Janczura, Rafal Weron

arxiv:1102.3712 v1 · 2011-02-17 · q-fin.ST · physics.soc-ph · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A7GPY4WW6ULMR43IMJVABMILEL}

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	2026-05-18T02:03:09.642619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07ccfc72d6f516c8f368626a00b10b22cb426584d88984437d943453a345f52d

Aliases

arxiv: 1102.3712 · arxiv_version: 1102.3712v1 · doi: 10.48550/arxiv.1102.3712 · pith_short_12: A7GPY4WW6ULM · pith_short_16: A7GPY4WW6ULMR43I · pith_short_8: A7GPY4WW

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/A7GPY4WW6ULMR43IMJVABMILEL \
  | 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: 07ccfc72d6f516c8f368626a00b10b22cb426584d88984437d943453a345f52d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83affbda4cb99c0c0eb6a66ab5f8cbc5e54e1a17947cde6cd465247d8861177e",
    "cross_cats_sorted": [
      "physics.soc-ph",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-fin.ST",
    "submitted_at": "2011-02-17T21:58:06Z",
    "title_canon_sha256": "f57bdf6f089e0175476b9f9cb503167d75e75d667a311b96feebfd19109eee7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.3712",
    "kind": "arxiv",
    "version": 1
  }
}