Pith Number

pith:KVPSFKQ3

pith:2013:KVPSFKQ3WLB5O4NPXHAPDEEQCG

not attested not anchored not stored refs pending

The Schwarzschild metric: It's the coordinates, stupid!

Clifford M. Will, Eric Poisson, Pierre Fromholz

arxiv:1308.0394 v1 · 2013-08-02 · 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{KVPSFKQ3WLB5O4NPXHAPDEEQCG}

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

Iterative Solution of the Kerr Black Hole Metric

Receipt and verification

First computed	2026-05-18T02:55:20.539146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

555f22aa1bb2c3d771afb9c0f1909011b1a50ecc61a50d0cf23c780fb0aa1498

Aliases

arxiv: 1308.0394 · arxiv_version: 1308.0394v1 · doi: 10.48550/arxiv.1308.0394 · pith_short_12: KVPSFKQ3WLB5 · pith_short_16: KVPSFKQ3WLB5O4NP · pith_short_8: KVPSFKQ3

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/KVPSFKQ3WLB5O4NPXHAPDEEQCG \
  | 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: 555f22aa1bb2c3d771afb9c0f1909011b1a50ecc61a50d0cf23c780fb0aa1498

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03f77033fcff0f49bd9287b449282f35d3190ed9ce5bd4a30104172b2c800e16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-08-02T02:30:10Z",
    "title_canon_sha256": "c4c5daabb4990499bba165d70a635f1bb11b321b87063b090909119591c3429a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0394",
    "kind": "arxiv",
    "version": 1
  }
}