Pith Number

pith:7AAIK7XU

pith:2024:7AAIK7XUGHVJWD7KLSI7H6UPJN

not attested not anchored not stored refs pending

Rotating galactic black holes

Chao Zhang, Chunyu Zhang, Guoyang Fu

arxiv:2403.19933 v1 · 2024-03-29 · 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{7AAIK7XUGHVJWD7KLSI7H6UPJN}

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	2026-07-05T08:02:10.766230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f800857ef431ea9b0fea5c91f3fa8f4b63d7a84c1005baf749ee0b4465dc7ba2

Aliases

arxiv: 2403.19933 · arxiv_version: 2403.19933v1 · doi: 10.48550/arxiv.2403.19933 · pith_short_12: 7AAIK7XUGHVJ · pith_short_16: 7AAIK7XUGHVJWD7K · pith_short_8: 7AAIK7XU

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/7AAIK7XUGHVJWD7KLSI7H6UPJN \
  | 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: f800857ef431ea9b0fea5c91f3fa8f4b63d7a84c1005baf749ee0b4465dc7ba2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0942e6802ee9ae25b678c8fffe5869a7cf0e8c7232bc95eba5f37ca116cf0888",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2024-03-29T02:40:12Z",
    "title_canon_sha256": "a07c2bed28370700315688671acf3525235e4aa62c17fd0e15c59cdfac0a2127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2403.19933",
    "kind": "arxiv",
    "version": 1
  }
}