Pith Number

pith:B3DST674

pith:2003:B3DST674UJEQKD7ZRNUVXQGXVH

not attested not anchored not stored refs pending

Are Aftershocks of Large Californian Earthquakes Diffusing?

Agnes Helmstetter (UCLA), CNRS-Univ. Nice), Didier Sornette (UCLA, Guy Ouillon (CNRS-Univ. Nice)

arxiv:physics/0303075 v2 · 2003-03-19 · 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{B3DST674UJEQKD7ZRNUVXQGXVH}

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	2026-05-18T01:38:08.962225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ec729fbfca249050ff98b695bc0d7a9c2dc690a9420e99050fdd7c45c6be583

Aliases

arxiv: physics/0303075 · arxiv_version: physics/0303075v2 · doi: 10.48550/arxiv.physics/0303075 · pith_short_12: B3DST674UJEQ · pith_short_16: B3DST674UJEQKD7Z · pith_short_8: B3DST674

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/B3DST674UJEQKD7ZRNUVXQGXVH \
  | 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: 0ec729fbfca249050ff98b695bc0d7a9c2dc690a9420e99050fdd7c45c6be583

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e31e6de44ad4e765f4fbe737b4fa46a4a27a7c8aff598546d2ab9403963e2c6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2003-03-19T20:18:12Z",
    "title_canon_sha256": "7b4115510c36337e125aab3af4235f3f30510dd4e6e391b4d6beb8e25e61df4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0303075",
    "kind": "arxiv",
    "version": 2
  }
}