Pith Number

pith:KUBIPPAJ

pith:2025:KUBIPPAJMYMRIYQFVW7QFNVTKB

not attested not anchored not stored refs pending

Accumulation of Charge on an Extremal Black Hole's Event Horizon

Frans Pretorius, Zachary Gelles

arxiv:2503.04881 v2 · 2025-03-06 · gr-qc · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KUBIPPAJMYMRIYQFVW7QFNVTKB}

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

Radiation outer boundary conditions and near-to-far field signal transformations for the Bardeen-Press equation

Receipt and verification

First computed	2026-07-05T11:59:58.309180Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

550287bc096619146205adbf02b6b3507c9e51cf59713001aa6bfae866bee121

Aliases

arxiv: 2503.04881 · arxiv_version: 2503.04881v2 · doi: 10.48550/arxiv.2503.04881 · pith_short_12: KUBIPPAJMYMR · pith_short_16: KUBIPPAJMYMRIYQF · pith_short_8: KUBIPPAJ

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/KUBIPPAJMYMRIYQFVW7QFNVTKB \
  | 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: 550287bc096619146205adbf02b6b3507c9e51cf59713001aa6bfae866bee121

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbb773a02b3da3ec653603aa0a6a06bc63beeff5c4c55e5dfa74a15b951a1034",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2025-03-06T19:00:00Z",
    "title_canon_sha256": "fcdea4b2b93f5c0acfd5ee450dd26adab1830aab1016566e8d69e2e6b98c1615"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.04881",
    "kind": "arxiv",
    "version": 2
  }
}