Pith Number

pith:7GBHCR2A

pith:2020:7GBHCR2AZHOO3UK33GO7D7X6WC

not attested not anchored not stored refs pending

Test of Kerr-Sen metric with black hole observations

Abhass Kumar, Ashish Narang, Subhendra Mohanty

arxiv:2002.12786 v1 · 2020-02-27 · 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{7GBHCR2AZHOO3UK33GO7D7X6WC}

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.

Cited by

1 paper in Pith

Bright ring features and polarization structures in Kerr-Sen black hole images illuminated by radiatively inefficient accretion flows

Receipt and verification

First computed	2026-07-05T00:44:34.183831Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f982714740c9dcedd15bd99df1fefeb092e049bfe86e453b2d317b965d43a6dd

Aliases

arxiv: 2002.12786 · arxiv_version: 2002.12786v1 · doi: 10.48550/arxiv.2002.12786 · pith_short_12: 7GBHCR2AZHOO · pith_short_16: 7GBHCR2AZHOO3UK3 · pith_short_8: 7GBHCR2A

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/7GBHCR2AZHOO3UK33GO7D7X6WC \
  | 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: f982714740c9dcedd15bd99df1fefeb092e049bfe86e453b2d317b965d43a6dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50de5ef8497b2f51d126c2b0a893c03fee7b1cdfb9e252fa7263c7b2e72cc075",
    "cross_cats_sorted": [
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2020-02-27T14:52:06Z",
    "title_canon_sha256": "ebb2270bee4c423c40d516c531eaae6bde68cddb666ff8807455da30ec0068ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12786",
    "kind": "arxiv",
    "version": 1
  }
}