Pith Number

pith:YDSHG3OU

pith:2021:YDSHG3OUJOTOQRW6K3IIGEXZUR

not attested not anchored not stored refs pending

QED Effects on Kerr Black Hole Shadows immersed in uniform magnetic fields

Bin Chen, Haopeng Yan, Minyong Guo, Zezhou Hu, Zhen Zhong

arxiv:2108.06140 v2 · 2021-08-13 · gr-qc · hep-th

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YDSHG3OUJOTOQRW6K3IIGEXZUR}

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

5 papers in Pith

Shadow, acoustic redshift, and transfer observables of Lorentz-violating rotating acoustic black holes

Reshaping the inner shadow of a Kerr black hole by a torn accretion disk

Macroscopic Optical Nonreciprocity: A Black Hole as an Optical Diode

Optical images of Kerr-Sen black hole illuminated by thick accretion disks

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

Receipt and verification

First computed	2026-07-05T03:34:32.254664Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0e4736dd44ba6e846de56d08312f9a45bfac2ae7b58ed01079d5491943d2930

Aliases

arxiv: 2108.06140 · arxiv_version: 2108.06140v2 · doi: 10.48550/arxiv.2108.06140 · pith_short_12: YDSHG3OUJOTO · pith_short_16: YDSHG3OUJOTOQRW6 · pith_short_8: YDSHG3OU

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/YDSHG3OUJOTOQRW6K3IIGEXZUR \
  | 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: c0e4736dd44ba6e846de56d08312f9a45bfac2ae7b58ed01079d5491943d2930

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1029520ba3d01c10dcfaef51e49ba73cd8c25d6c8638f9c2696bded4eabc99f1",
    "cross_cats_sorted": [
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2021-08-13T09:18:39Z",
    "title_canon_sha256": "35a6abb87e611be861e531f7434fe3ba942845817e1971dd2951d58e88c3924f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.06140",
    "kind": "arxiv",
    "version": 2
  }
}