Pith Number

pith:77OXRJQZ

pith:2018:77OXRJQZQEODWTZBN4IDF3NDFG

not attested not anchored not stored refs pending

Bending angle of light in equatorial plane of Kerr-Sen Black Hole

Hemwati Nandan, Philippe Jetzer, Rashmi Uniyal

arxiv:1803.04268 v2 · 2018-03-09 · 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{77OXRJQZQEODWTZBN4IDF3NDFG}

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	2026-05-18T00:15:09.629336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ffdd78a619811c3b4f216f1032eda329a75d247bca72d86a210a7219677adc3f

Aliases

arxiv: 1803.04268 · arxiv_version: 1803.04268v2 · doi: 10.48550/arxiv.1803.04268 · pith_short_12: 77OXRJQZQEOD · pith_short_16: 77OXRJQZQEODWTZB · pith_short_8: 77OXRJQZ

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/77OXRJQZQEODWTZBN4IDF3NDFG \
  | 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: ffdd78a619811c3b4f216f1032eda329a75d247bca72d86a210a7219677adc3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1419aaf4f3e0bd63ee437426aefcad4958dd2fb0ba61ba7e1c5ac07b3f51370b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2018-03-09T12:57:35Z",
    "title_canon_sha256": "736eeb68de5619bb2ef8bfcd60398b5478d6b326756076ea1259332295bd7ed5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04268",
    "kind": "arxiv",
    "version": 2
  }
}