Pith Number

pith:2ML47FLP

pith:2010:2ML47FLPDOTSDEDP3467QDMQKC

not attested not anchored not stored refs pending

An Extended Kerr-Schild Ansatz

Benjamin Ett, David Kastor

arxiv:1002.4378 v2 · 2010-02-23 · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2ML47FLPDOTSDEDP3467QDMQKC}

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

Extremal Kerr-Schild Form

Receipt and verification

First computed	2026-05-18T02:33:42.082045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d317cf956f1ba721906fdf3df80d905090fa1b14aeb0ab6273569e6f50fdfdbf

Aliases

arxiv: 1002.4378 · arxiv_version: 1002.4378v2 · doi: 10.48550/arxiv.1002.4378 · pith_short_12: 2ML47FLPDOTS · pith_short_16: 2ML47FLPDOTSDEDP · pith_short_8: 2ML47FLP

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/2ML47FLPDOTSDEDP3467QDMQKC \
  | 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: d317cf956f1ba721906fdf3df80d905090fa1b14aeb0ab6273569e6f50fdfdbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5944aac68d210f53f75cb1c1a0cdd38b32da8a4a23d3355e08ff19c72ba68ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2010-02-23T17:48:28Z",
    "title_canon_sha256": "8b1a548d3b72c038448e4196dabf3d2dae6e7f82c606591f930f253e79e18082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.4378",
    "kind": "arxiv",
    "version": 2
  }
}