Pith Number

pith:PHZYHN5Z

pith:2026:PHZYHN5Z3U77SN3TBIKFEW7ZAG

not attested not anchored not stored refs pending

Scalar absorption beyond geometric optics in Klein-Gordon-separable Johannsen black hole spacetimes

Hongsheng Zhang, Jining Tang, Yang Huang

arxiv:2605.28094 v1 · 2026-05-27 · 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{PHZYHN5Z3U77SN3TBIKFEW7ZAG}

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	2026-05-28T01:04:58.590205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f383b7b9dd3ff937730a14525bf9018b4cd1b2efad3de308806589519c58b4

Aliases

arxiv: 2605.28094 · arxiv_version: 2605.28094v1 · doi: 10.48550/arxiv.2605.28094 · pith_short_12: PHZYHN5Z3U77 · pith_short_16: PHZYHN5Z3U77SN3T · pith_short_8: PHZYHN5Z

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/PHZYHN5Z3U77SN3TBIKFEW7ZAG \
  | 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: 79f383b7b9dd3ff937730a14525bf9018b4cd1b2efad3de308806589519c58b4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "607ab0bef685a18e4c6bcff780d16311a85a228e8232a1916040c2486faccadc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2026-05-27T07:51:48Z",
    "title_canon_sha256": "6fe4427b8e679240d29ef2c4f500861ea75a31bf731576392654e26a94905293"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.28094",
    "kind": "arxiv",
    "version": 1
  }
}