Pith Number

pith:TPG3VFKS

pith:2003:TPG3VFKSWXCT56YFSKY74VGN7D

not attested not anchored not stored refs pending

The electromagnetic fields under, on and over Earth surface as when, where and how earthquake precursor

Strachimir Chterev Mavrodiev

arxiv:physics/0302033 v1 · 2003-02-11 · 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{TPG3VFKSWXCT56YFSKY74VGN7D}

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	2026-07-04T14:43:53.048603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9bcdba9552b5c53efb0592b1fe54cdf8f8411670587eff1f1306a6f01a3c8368

Aliases

arxiv: physics/0302033 · arxiv_version: physics/0302033v1 · doi: 10.48550/arxiv.physics/0302033 · pith_short_12: TPG3VFKSWXCT · pith_short_16: TPG3VFKSWXCT56YF · pith_short_8: TPG3VFKS

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/TPG3VFKSWXCT56YFSKY74VGN7D \
  | 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: 9bcdba9552b5c53efb0592b1fe54cdf8f8411670587eff1f1306a6f01a3c8368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b7438e414a8d2bad0afaf488fbece2808539cf648e41a275ec11cbaea43948f6",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "physics.geo-ph",
    "submitted_at": "2003-02-11T13:38:16Z",
    "title_canon_sha256": "db8c7fcf6051ffc5066b657afc5eaffdfe480870b2e360385fd298a161b24d7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "physics/0302033",
    "kind": "arxiv",
    "version": 1
  }
}