Pith Number

pith:R4J5TXJR

pith:2025:R4J5TXJRX2MPQESIPBBK4GSJTI

not attested not anchored not stored refs pending

The accretion disk and neutrino propagation of Barrow-modified Black Hole

Hongbo Cheng, Yuxuan Shi

arxiv:2504.15892 v2 · 2025-04-22 · 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{R4J5TXJRX2MPQESIPBBK4GSJTI}

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	2026-07-05T11:28:15.857875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f13d9dd31be98f812487842ae1a499a078229c2741fc9ce500e368a548d9ced

Aliases

arxiv: 2504.15892 · arxiv_version: 2504.15892v2 · doi: 10.48550/arxiv.2504.15892 · pith_short_12: R4J5TXJRX2MP · pith_short_16: R4J5TXJRX2MPQESI · pith_short_8: R4J5TXJR

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/R4J5TXJRX2MPQESIPBBK4GSJTI \
  | 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: 8f13d9dd31be98f812487842ae1a499a078229c2741fc9ce500e368a548d9ced

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "829c003b2d2ca699e05815161ee8d72cde19258247bbe6ec731b7bcf61f88265",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-04-22T13:34:54Z",
    "title_canon_sha256": "c025abc8862d9904e3e29925f0069023bb1aa03a1c1c60a8c8bc00b901511672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.15892",
    "kind": "arxiv",
    "version": 2
  }
}