Pith Number

pith:LLURXARK

pith:2009:LLURXARKP66EVMSQ2OCIIAR7IA

not attested not anchored not stored refs pending

Critical features in electromagnetic anomalies detected prior to the L'Aquila earthquake

C. Nomicos, G. Antonopoulos, J. Kopanas, K. Eftaxias, L. Contoyianni, Y.F. Contoyiannis

arxiv:0905.2782 v1 · 2009-05-18 · 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{LLURXARKP66EVMSQ2OCIIAR7IA}

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	2026-05-18T02:13:39.018204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ae91b822a7fbc4ab250d38484023f4016e51cc1f6ae05e5fa4e73c8866d832e

Aliases

arxiv: 0905.2782 · arxiv_version: 0905.2782v1 · doi: 10.48550/arxiv.0905.2782 · pith_short_12: LLURXARKP66E · pith_short_16: LLURXARKP66EVMSQ · pith_short_8: LLURXARK

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/LLURXARKP66EVMSQ2OCIIAR7IA \
  | 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: 5ae91b822a7fbc4ab250d38484023f4016e51cc1f6ae05e5fa4e73c8866d832e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b094926b5b235551bdb5013162b258c65439ec26597ca24eb7bed27f0699bca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2009-05-18T12:51:54Z",
    "title_canon_sha256": "effa41143ecbf0f2fbbb94e82e84ac1c2eed70eecae7892e6b45eb47c5bbdb84"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2782",
    "kind": "arxiv",
    "version": 1
  }
}