Pith Number

pith:KVSJ6SWU

pith:2009:KVSJ6SWUHZHX37DT747KN6LA2C

not attested not anchored not stored refs pending

The light-cone theorem

Jose M. Martin-Garcia, Piotr T. Chrusciel, Yvonne Choquet-Bruhat

arxiv:0905.2133 v2 · 2009-05-13 · 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{KVSJ6SWUHZHX37DT747KN6LA2C}

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	2026-05-18T02:13:39.605830Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55649f4ad43e4f7dfc73ff3ea6f960d08bfc2a21f591015d3f6406ccd4b55d4c

Aliases

arxiv: 0905.2133 · arxiv_version: 0905.2133v2 · doi: 10.48550/arxiv.0905.2133 · pith_short_12: KVSJ6SWUHZHX · pith_short_16: KVSJ6SWUHZHX37DT · pith_short_8: KVSJ6SWU

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/KVSJ6SWUHZHX37DT747KN6LA2C \
  | 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: 55649f4ad43e4f7dfc73ff3ea6f960d08bfc2a21f591015d3f6406ccd4b55d4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "506f23fd9ca8c14b865d72a7157f14662c5ad7610ae90f14c5ea33915894ef18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-05-13T15:45:11Z",
    "title_canon_sha256": "a236b13565687ca2144e5ec6b29c546a6650fbd703b7689824d1b8ba71f99ed3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.2133",
    "kind": "arxiv",
    "version": 2
  }
}