Pith Number

pith:2LOJTYT4

pith:2018:2LOJTYT4GVHG4FCHRWFXX5VDN7

not attested not anchored not stored refs pending

Constraining the charge of the Galactic centre black hole

Andreas Eckart, Arman Tursunov, Bozena Czerny, Eva Hackmann, J. Anton Zensus, Michal Zaja\v{c}ek, Silke Britzen, Vladim\'ir Karas, Zden\v{e}k Stuchl\'ik

arxiv:1812.03574 v2 · 2018-12-09 · astro-ph.GA · astro-ph.HE · 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{2LOJTYT4GVHG4FCHRWFXX5VDN7}

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.

Cited by

1 paper in Pith

Excising Cauchy Horizons with Nonlinear Electrodynamics

Receipt and verification

First computed	2026-07-05T00:29:59.996586Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2dc99e27c354e6e14478d8b7bf6a36fe94049921a77b6a24e08c4f86fbc9931

Aliases

arxiv: 1812.03574 · arxiv_version: 1812.03574v2 · doi: 10.48550/arxiv.1812.03574 · pith_short_12: 2LOJTYT4GVHG · pith_short_16: 2LOJTYT4GVHG4FCH · pith_short_8: 2LOJTYT4

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/2LOJTYT4GVHG4FCHRWFXX5VDN7 \
  | 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: d2dc99e27c354e6e14478d8b7bf6a36fe94049921a77b6a24e08c4f86fbc9931

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "916385ab2c5c5dcc7b489b0bb118b5ba2917bfb42a7ab994a6ad1a8523643ae6",
    "cross_cats_sorted": [
      "astro-ph.HE",
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-12-09T23:02:10Z",
    "title_canon_sha256": "38bcdb8524c694eff2babf875f67916576ab02f85c2b1827a8bbde8f7d43782c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.03574",
    "kind": "arxiv",
    "version": 2
  }
}