Pith Number

pith:EGUOLBND

pith:1999:EGUOLBNDMU3SGWNU2D7SGSZI23

not attested not anchored not stored refs pending

Artifactual log-periodicity in finite size data: Relevance for earthquake aftershocks

A. Johansen, D. Sornette, H. Saleur, M.W. Lee, Y. Huang

arxiv:cond-mat/9911421 v2 · 1999-11-25 · cond-mat · physics.geo-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EGUOLBNDMU3SGWNU2D7SGSZI23}

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	2026-05-18T01:39:27.001934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21a8e585a365372359b4d0ff234b28d6dde49d829cf213f2c96cceed0824a8b6

Aliases

arxiv: cond-mat/9911421 · arxiv_version: cond-mat/9911421v2 · doi: 10.48550/arxiv.cond-mat/9911421 · pith_short_12: EGUOLBNDMU3S · pith_short_16: EGUOLBNDMU3SGWNU · pith_short_8: EGUOLBND

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/EGUOLBNDMU3SGWNU2D7SGSZI23 \
  | 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: 21a8e585a365372359b4d0ff234b28d6dde49d829cf213f2c96cceed0824a8b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea171d7f41e2048896d08ace98d1ee5d556d3f67137d8082615097ecda5f5a16",
    "cross_cats_sorted": [
      "physics.geo-ph"
    ],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1999-11-25T23:47:36Z",
    "title_canon_sha256": "68403e50d85c228230f828413b957cb97cf1c9be328f82dd1f9f428aadac0ab9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9911421",
    "kind": "arxiv",
    "version": 2
  }
}