Pith Number

pith:7V2XLIRP

pith:2013:7V2XLIRP3MTLOWJKVQCEJ2TD36

not attested not anchored not stored refs pending

Einstein-Euler-Heisenberg Theory and charged black holes

Remo Ruffini, She-Sheng Xue, Yuan-Bin Wu

arxiv:1307.4951 v2 · 2013-07-17 · hep-th · astro-ph.HE · gr-qc · hep-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{7V2XLIRP3MTLOWJKVQCEJ2TD36}

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	2026-05-18T03:11:12.744610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd7575a22fdb26b7592aac0444ea63df9231e44f9c9d86a42f61ef27be406293

Aliases

arxiv: 1307.4951 · arxiv_version: 1307.4951v2 · doi: 10.48550/arxiv.1307.4951 · pith_short_12: 7V2XLIRP3MTL · pith_short_16: 7V2XLIRP3MTLOWJK · pith_short_8: 7V2XLIRP

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/7V2XLIRP3MTLOWJKVQCEJ2TD36 \
  | 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: fd7575a22fdb26b7592aac0444ea63df9231e44f9c9d86a42f61ef27be406293

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b65f9cbf1e63d10d4aa0a3e3b098be28f55f4dbafe90c08e6c38e20f640b2df4",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-07-17T02:53:17Z",
    "title_canon_sha256": "18dc23b1c32d2d64f88e3f35c352811eaf63917521e7f3f700a0f567d320ac28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4951",
    "kind": "arxiv",
    "version": 2
  }
}