Pith Number

pith:4QOBTNMW

pith:2012:4QOBTNMWM5YOYVU25VBXJKILGR

not attested not anchored not stored refs pending

Are megaquakes clustered?

Eli Ben-Naim, Eric G. Daub, Paul A. Johnson, Robert A. Guyer

arxiv:1203.1031 v1 · 2012-03-05 · physics.geo-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QOBTNMWM5YOYVU25VBXJKILGR}

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	2026-05-18T03:59:02.822778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e41c19b5966770ec569aed4374a90b3475057734d08c8f8e2dfd2bc2ee8ddf03

Aliases

arxiv: 1203.1031 · arxiv_version: 1203.1031v1 · doi: 10.48550/arxiv.1203.1031 · pith_short_12: 4QOBTNMWM5YO · pith_short_16: 4QOBTNMWM5YOYVU2 · pith_short_8: 4QOBTNMW

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/4QOBTNMWM5YOYVU25VBXJKILGR \
  | 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: e41c19b5966770ec569aed4374a90b3475057734d08c8f8e2dfd2bc2ee8ddf03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc3bf47db957e10394aa8985d23896ef30c37c2de2c6654032cf5688f08348f1",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2012-03-05T20:51:34Z",
    "title_canon_sha256": "04a0862ca3483ecb5fe4d8ea35d8ff4b614e53310f4adb411e73c9c4b03079a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1031",
    "kind": "arxiv",
    "version": 1
  }
}