Pith Number

pith:X6O6FVRS

pith:2008:X6O6FVRSCYC54G4SFNIACW4YLY

not attested not anchored not stored refs pending

On a Nonlinear Newtonian Gravity and Charging a Black Hole

Michael R.R. Good

arxiv:0811.1805 v2 · 2008-11-12 · 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{X6O6FVRSCYC54G4SFNIACW4YLY}

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	2026-05-18T00:15:42.540865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf9de2d6321605de1b922b50015b985e0231b9c5ab35c334995035ad2a721356

Aliases

arxiv: 0811.1805 · arxiv_version: 0811.1805v2 · doi: 10.48550/arxiv.0811.1805 · pith_short_12: X6O6FVRSCYC5 · pith_short_16: X6O6FVRSCYC54G4S · pith_short_8: X6O6FVRS

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/X6O6FVRSCYC54G4SFNIACW4YLY \
  | 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: bf9de2d6321605de1b922b50015b985e0231b9c5ab35c334995035ad2a721356

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42e8c1bc7a7d9256048ba677313cb2c8c7164483348df4f3161f306de58ac425",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-11-12T02:30:51Z",
    "title_canon_sha256": "a6f21125da737da1231d30109b3a32ffe486a4c4e448808879f655da9ae86e9c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.1805",
    "kind": "arxiv",
    "version": 2
  }
}