Pith Number

pith:O4N6BLKP

pith:2021:O4N6BLKP3LMMDVL6CXPCKB6BEU

not attested not anchored not stored refs pending

Remarks on the black hole shadows in Kerr-de Sitter space times

Eunice Omwoyo, Hermano Velten, Humberto Belich, J\'ulio C. Fabris

arxiv:2112.14124 v3 · 2021-12-28 · 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{O4N6BLKP3LMMDVL6CXPCKB6BEU}

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

2 papers in Pith

Regular hairy black holes through gravitational decoupling method

Gravity/thermodynamics correspondence via black hole shadows

Receipt and verification

First computed	2026-07-05T04:23:23.944310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

771be0ad4fdad8c1d57e15de2507c12529323deadff647cff2ee6e4942bd6f20

Aliases

arxiv: 2112.14124 · arxiv_version: 2112.14124v3 · doi: 10.48550/arxiv.2112.14124 · pith_short_12: O4N6BLKP3LMM · pith_short_16: O4N6BLKP3LMMDVL6 · pith_short_8: O4N6BLKP

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/O4N6BLKP3LMMDVL6CXPCKB6BEU \
  | 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: 771be0ad4fdad8c1d57e15de2507c12529323deadff647cff2ee6e4942bd6f20

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "792296f9da20c531d5aa4f7517213dfc89ddcba07bbcd75b3626c3c5cbe882b7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-12-28T13:03:16Z",
    "title_canon_sha256": "7b3ed5119dd2e95378fcfadde1b662442a81658efbd658b1a4798c551ffc4063"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.14124",
    "kind": "arxiv",
    "version": 3
  }
}