Pith Number

pith:SZR33HQD

pith:2020:SZR33HQDGYMF6HOBPG2WA3U7D5

not attested not anchored not stored refs pending

Shadows of 5D Black Holes from String Theory

A. Belhaj, E. Torrente-Lujan, H. Belmahi, H. El Moumni, M. Benali, W. El Hadri

arxiv:2008.13478 v1 · 2020-08-31 · hep-th · 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{SZR33HQDGYMF6HOBPG2WA3U7D5}

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

3 papers in Pith

Constraining Black Hole Parameters in Non-Commutative Geometry using Machine Learning

On Computational CUDA Studies of Black Hole Shadows

Photon rings and shadows of black holes with non-minimal couplings between curvature and electromagnetic field

Receipt and verification

First computed	2026-07-05T02:01:14.330867Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9663bd9e0336185f1dc179b5606e9f1f5b3c89145485fb0e2d28f001f46fc4d2

Aliases

arxiv: 2008.13478 · arxiv_version: 2008.13478v1 · doi: 10.48550/arxiv.2008.13478 · pith_short_12: SZR33HQDGYMF · pith_short_16: SZR33HQDGYMF6HOB · pith_short_8: SZR33HQD

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/SZR33HQDGYMF6HOBPG2WA3U7D5 \
  | 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: 9663bd9e0336185f1dc179b5606e9f1f5b3c89145485fb0e2d28f001f46fc4d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "873dc5696d894c4bf7cd6ee44dfc6b16985d4e80f72608bfcb417dabbc2621d0",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2020-08-31T10:43:11Z",
    "title_canon_sha256": "163ffde1d93721b7453778808aa6850fd54438dca03afc2efe1b30cd15c92100"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.13478",
    "kind": "arxiv",
    "version": 1
  }
}