Pith Number

pith:VTKG2P64

pith:2022:VTKG2P64OGRR4VAXDM4CWCKQGJ

not attested not anchored not stored refs pending

Shadows of Kerr black holes with a Gaussian-distributed plasma in the polar direction

Bin Chen, Haopeng Yan, Minyong Guo, Zhenyu Zhang

arxiv:2206.04430 v2 · 2022-06-09 · gr-qc · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VTKG2P64OGRR4VAXDM4CWCKQGJ}

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	2026-07-05T05:37:38.068194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

acd46d3fdc71a31e54171b382b095032798c92ceb4d82a466b24a56e54a045bb

Aliases

arxiv: 2206.04430 · arxiv_version: 2206.04430v2 · doi: 10.48550/arxiv.2206.04430 · pith_short_12: VTKG2P64OGRR · pith_short_16: VTKG2P64OGRR4VAX · pith_short_8: VTKG2P64

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/VTKG2P64OGRR4VAXDM4CWCKQGJ \
  | 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: acd46d3fdc71a31e54171b382b095032798c92ceb4d82a466b24a56e54a045bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "967c6d4bcfbc43d0f668ce917a0fa143f7cfc923afb700f4bbd16fbbbba8b5fb",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2022-06-09T11:35:39Z",
    "title_canon_sha256": "01b169139a4c4312abfaa5ba28e8e3ed89c232e254804fa8e551ab80ec5afd98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.04430",
    "kind": "arxiv",
    "version": 2
  }
}