Pith Number

pith:MLGTVWSD

pith:2009:MLGTVWSD7LNJ23XX7WP3K77W3W

not attested not anchored not stored refs pending

Plebanski Formulation of General Relativity: A Practical Introduction

Kirill Krasnov

arxiv:0904.0423 v2 · 2009-04-02 · 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{MLGTVWSD7LNJ23XX7WP3K77W3W}

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

Graviton scattering on self-dual black holes

Receipt and verification

First computed	2026-05-18T04:27:28.371676Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62cd3ada43fada9d6ef7fd9fb57ff6dda7b01049b4cd9b2c8f66c3f6d644cc00

Aliases

arxiv: 0904.0423 · arxiv_version: 0904.0423v2 · doi: 10.48550/arxiv.0904.0423 · pith_short_12: MLGTVWSD7LNJ · pith_short_16: MLGTVWSD7LNJ23XX · pith_short_8: MLGTVWSD

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/MLGTVWSD7LNJ23XX7WP3K77W3W \
  | 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: 62cd3ada43fada9d6ef7fd9fb57ff6dda7b01049b4cd9b2c8f66c3f6d644cc00

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77dbfb9ef820daf78a8adc7e223645ebb1f89572052b96a967439eab760f4d75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-04-02T16:36:19Z",
    "title_canon_sha256": "d1d5ad0d5ff9c926ef7ee83d23adfd3a49568f8864de9049c727a0899e62d6e0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0423",
    "kind": "arxiv",
    "version": 2
  }
}