Pith Number

pith:OVI6C35K

pith:2026:OVI6C35KYRW4TEUPIDU45W55FF

not attested not anchored not stored refs pending

Light bending around the Kerr-Bertotti-Robinson black hole using material medium approach

Anshul Tapase, Asoke Kumar Sen, Hemwati Nandan, Saswati Roy, Shubham Kala

arxiv:2607.07437 v1 · 2026-07-08 · 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{OVI6C35KYRW4TEUPIDU45W55FF}

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	2026-07-09T01:20:24.867780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7551e16faac46dc9928f40e9cedbbd2947d018843dc26e13996e3c0c0b7e189e

Aliases

arxiv: 2607.07437 · arxiv_version: 2607.07437v1 · doi: 10.48550/arxiv.2607.07437 · pith_short_12: OVI6C35KYRW4 · pith_short_16: OVI6C35KYRW4TEUP · pith_short_8: OVI6C35K

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/OVI6C35KYRW4TEUPIDU45W55FF \
  | 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: 7551e16faac46dc9928f40e9cedbbd2947d018843dc26e13996e3c0c0b7e189e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aac8de7fb9df60b543d9db62c0d43f25c91a3d85b5c2efa6e7e523112e3cca10",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-07-08T14:08:12Z",
    "title_canon_sha256": "9ba09ce24fac4984ac6c607e4880457c644eeb64a4c2968a18a194b81a708f1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.07437",
    "kind": "arxiv",
    "version": 1
  }
}