Pith Number

pith:WYN43NI2

pith:2023:WYN43NI2ILA7ZLC3YPAS65COK7

not attested not anchored not stored refs pending

Eikonal quasinormal modes, photon sphere and shadow of a charged black hole in the 4D Einstein-Gauss-Bonnet gravity

Eduard Larra\~naga, Jose Miguel Ladino

arxiv:2303.02877 v2 · 2023-03-06 · 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{WYN43NI2ILA7ZLC3YPAS65COK7}

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	2026-07-05T06:55:52.563473Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b61bcdb51a42c1fcac5bc3c12f744e57fc59090d88855065d61f940d49ae9b06

Aliases

arxiv: 2303.02877 · arxiv_version: 2303.02877v2 · doi: 10.48550/arxiv.2303.02877 · pith_short_12: WYN43NI2ILA7 · pith_short_16: WYN43NI2ILA7ZLC3 · pith_short_8: WYN43NI2

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/WYN43NI2ILA7ZLC3YPAS65COK7 \
  | 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: b61bcdb51a42c1fcac5bc3c12f744e57fc59090d88855065d61f940d49ae9b06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f24a968ac7050467ae36cef61844f1b69a15ae6d0df7ddcf2cc847ba8f17af1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2023-03-06T04:09:49Z",
    "title_canon_sha256": "7d216f61d3e62d30839f4e7471291f1f49087e3fa9581c53b608fb0a83a475d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.02877",
    "kind": "arxiv",
    "version": 2
  }
}