Pith Number

pith:PVA7NDM3

pith:2003:PVA7NDM3CE5BQUY7LMKBTQCWMI

not attested not anchored not stored refs pending

Importance of direct and indirect triggered seismicity

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

arxiv:physics/0303070 v2 · 2003-03-18 · 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{PVA7NDM3CE5BQUY7LMKBTQCWMI}

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	2026-05-18T01:38:08.970446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d41f68d9b113a18531f5b1419c05662328911ed598ffc387419157c5a417cc7

Aliases

arxiv: physics/0303070 · arxiv_version: physics/0303070v2 · doi: 10.48550/arxiv.physics/0303070 · pith_short_12: PVA7NDM3CE5B · pith_short_16: PVA7NDM3CE5BQUY7 · pith_short_8: PVA7NDM3

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/PVA7NDM3CE5BQUY7LMKBTQCWMI \
  | 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: 7d41f68d9b113a18531f5b1419c05662328911ed598ffc387419157c5a417cc7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23e81987601ab40583f7cee35b3a7b23ac4840556584bd2b3cbe5647eb44856a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2003-03-18T20:09:04Z",
    "title_canon_sha256": "c79196c286b98ceb0cfea19bfd8bb5734da38f9cb3234f490e3380875bab4580"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0303070",
    "kind": "arxiv",
    "version": 2
  }
}