Pith Number

pith:JM63NXBD

pith:2011:JM63NXBDSIO6LI4Y4ZADB6D6RA

not attested not anchored not stored refs pending

Sudden drop of fractal dimension of electromagnetic emissions recorded prior to significant earthquake

G. Minadakis, K. Eftaxias, S. M. Potirakis

arxiv:1112.5746 v2 · 2011-12-24 · 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{JM63NXBDSIO6LI4Y4ZADB6D6RA}

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	2026-05-18T03:15:57.858440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b3db6dc23921de5a398e64030f87e883c112b6831a179cf029ef3f1350e2cbf

Aliases

arxiv: 1112.5746 · arxiv_version: 1112.5746v2 · doi: 10.48550/arxiv.1112.5746 · pith_short_12: JM63NXBDSIO6 · pith_short_16: JM63NXBDSIO6LI4Y · pith_short_8: JM63NXBD

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/JM63NXBDSIO6LI4Y4ZADB6D6RA \
  | 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: 4b3db6dc23921de5a398e64030f87e883c112b6831a179cf029ef3f1350e2cbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97f8b98816820ece5fc4cd0807d29322e678dbef3358694b46b278d0799fc44a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2011-12-24T18:07:45Z",
    "title_canon_sha256": "5e059b9f8e8399ea934ba3a72092b10e82760512e0753deb3cedf4b64045ce7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5746",
    "kind": "arxiv",
    "version": 2
  }
}