Pith Number

pith:EJZIHMHY

pith:2023:EJZIHMHYIE4N3VHUUAXXRPIQVM

not attested not anchored not stored refs pending

Shadow, absorption and Hawking radiation of a Schwarzschild black hole surrounded by a cloud of strings in Rastall gravity

Chen Ma, Peng-Fei Duan, Qian Li, Yu Zhang, Zhi-Wen Lin

arxiv:2307.04144 v1 · 2023-07-09 · 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{EJZIHMHYIE4N3VHUUAXXRPIQVM}

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	2026-07-05T06:29:09.394616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

227283b0f84138ddd4f4a02f78bd10ab1422f4a2ab3d33c08e3786ca8406eee0

Aliases

arxiv: 2307.04144 · arxiv_version: 2307.04144v1 · doi: 10.48550/arxiv.2307.04144 · pith_short_12: EJZIHMHYIE4N · pith_short_16: EJZIHMHYIE4N3VHU · pith_short_8: EJZIHMHY

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/EJZIHMHYIE4N3VHUUAXXRPIQVM \
  | 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: 227283b0f84138ddd4f4a02f78bd10ab1422f4a2ab3d33c08e3786ca8406eee0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c12d30445c52249ffff0d322f9d066561a554d8fc8fbb8575ad00444af3ccc31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-07-09T10:17:07Z",
    "title_canon_sha256": "7e4fdebef155a6171538dbe76fb21a9e741cd58e940405df07bccd426416c5e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2307.04144",
    "kind": "arxiv",
    "version": 1
  }
}