Pith Number

pith:YJHOFX4L

pith:2015:YJHOFX4LM4SVNBFYWJPXY4V4KV

not attested not anchored not stored refs pending

Kerr black hole parameters in terms of red/blue shifts of photons emitted by geodesic particles

Alfredo Herrera-Aguilar, Ulises Nucamendi

arxiv:1506.05182 v1 · 2015-06-17 · gr-qc · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YJHOFX4LM4SVNBFYWJPXY4V4KV}

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	2026-05-18T01:34:47.993290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c24ee2df8b67255684b8b25f7c72bc55580123dea61498e14df391f7fedb28fc

Aliases

arxiv: 1506.05182 · arxiv_version: 1506.05182v1 · doi: 10.48550/arxiv.1506.05182 · pith_short_12: YJHOFX4LM4SV · pith_short_16: YJHOFX4LM4SVNBFY · pith_short_8: YJHOFX4L

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/YJHOFX4LM4SVNBFYWJPXY4V4KV \
  | 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: c24ee2df8b67255684b8b25f7c72bc55580123dea61498e14df391f7fedb28fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "19ccd8ced353b5ec8834a7e1398eda2b49e704d4ef4f7b3cf0440950acb6b8a7",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2015-06-17T02:01:18Z",
    "title_canon_sha256": "d93d8a3e609d86b4a73a56cc34fae7bf83a4cefe84a528bda5458cdf07944913"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.05182",
    "kind": "arxiv",
    "version": 1
  }
}