Pith Number

pith:GL73S7SM

pith:2017:GL73S7SMXNZW2HVSVNX2IGVFT2

not attested not anchored not stored refs pending

The problem of characterising stationary data for the vacuum Einstein equations

Paul Tod

arxiv:1702.00324 v1 · 2017-02-01 · 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{GL73S7SMXNZW2HVSVNX2IGVFT2}

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	2026-05-18T00:51:34.643029Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

32ffb97e4cbb736d1eb2ab6fa41aa59eb1f115753ae9e80066e1cf719b47ab84

Aliases

arxiv: 1702.00324 · arxiv_version: 1702.00324v1 · doi: 10.48550/arxiv.1702.00324 · pith_short_12: GL73S7SMXNZW · pith_short_16: GL73S7SMXNZW2HVS · pith_short_8: GL73S7SM

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/GL73S7SMXNZW2HVSVNX2IGVFT2 \
  | 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: 32ffb97e4cbb736d1eb2ab6fa41aa59eb1f115753ae9e80066e1cf719b47ab84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75e7e9704a3b26df6b0d28e8a4118177fa82a99cde206948a18acfa489dc74dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2017-02-01T15:42:49Z",
    "title_canon_sha256": "4026c440e4631132a37aea7ec5be2be825e94a008bf17dfef9a47442b5080fd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.00324",
    "kind": "arxiv",
    "version": 1
  }
}