Pith Number

pith:PFBI43PC

pith:2017:PFBI43PC6ZNLLIACBCZJ75JZSP

not attested not anchored not stored refs pending

Null Geodesics and Observables around Kerr-Sen Black Hole

Hemwati Nandan K. D. Purohit, Rashmi Uniyal

arxiv:1703.07510 v1 · 2017-03-22 · 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{PFBI43PC6ZNLLIACBCZJ75JZSP}

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	2026-05-18T00:25:01.903717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79428e6de2f65ab5a00208b29ff53993c6317e6534285e8093a50467dbde0699

Aliases

arxiv: 1703.07510 · arxiv_version: 1703.07510v1 · doi: 10.48550/arxiv.1703.07510 · pith_short_12: PFBI43PC6ZNL · pith_short_16: PFBI43PC6ZNLLIAC · pith_short_8: PFBI43PC

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/PFBI43PC6ZNLLIACBCZJ75JZSP \
  | 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: 79428e6de2f65ab5a00208b29ff53993c6317e6534285e8093a50467dbde0699

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "520e015c8134daba58b301b01a20248598f99ff4c8c068c9fecfda0df4540b40",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-03-22T04:19:20Z",
    "title_canon_sha256": "16af6fc2f564b0c8691befc4458006285fdf8e87626454de673a953825403a3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07510",
    "kind": "arxiv",
    "version": 1
  }
}