Pith Number

pith:6QHCYKML

pith:2009:6QHCYKMLV7BHGOLKGOHSZJ7KUM

not attested not anchored not stored refs pending

Revisiting the classical electron model in general relativity

Farook Rahaman, Kaushik Chakraborty, Mubasher Jamil

arxiv:0904.0189 v4 · 2009-04-01 · gr-qc

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6QHCYKMLV7BHGOLKGOHSZJ7KUM}

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	2026-05-18T04:32:19.979331Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f40e2c298bafc273396a338f2ca7eaa323c0e7c588e143017f84ace939e92fca

Aliases

arxiv: 0904.0189 · arxiv_version: 0904.0189v4 · doi: 10.48550/arxiv.0904.0189 · pith_short_12: 6QHCYKMLV7BH · pith_short_16: 6QHCYKMLV7BHGOLK · pith_short_8: 6QHCYKML

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/6QHCYKMLV7BHGOLKGOHSZJ7KUM \
  | 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: f40e2c298bafc273396a338f2ca7eaa323c0e7c588e143017f84ace939e92fca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "373565ce3bee7905352245a7d843b7e8e2628bbd04d39152c52e64936015a704",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-04-01T15:39:50Z",
    "title_canon_sha256": "ae141f5527ba542d5ad32b3f63d3a46070d1ef74a463935b373320283ea8c816"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0189",
    "kind": "arxiv",
    "version": 4
  }
}