Pith Number

pith:SG76EMWL

pith:2002:SG76EMWLC3ULY5G7HTSPE4SL2I

not attested not anchored not stored refs pending

Godel-type space-time metrics

Antonio Enea Romano, Charles Goebel

arxiv:gr-qc/0208093 v3 · 2002-08-30 · 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{SG76EMWLC3ULY5G7HTSPE4SL2I}

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	2026-05-18T01:39:23.531733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91bfe232cb16e8bc74df3ce4f2724bd23c16db9df84142a09d15238cad95a632

Aliases

arxiv: gr-qc/0208093 · arxiv_version: gr-qc/0208093v3 · doi: 10.48550/arxiv.gr-qc/0208093 · pith_short_12: SG76EMWLC3UL · pith_short_16: SG76EMWLC3ULY5G7 · pith_short_8: SG76EMWL

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/SG76EMWLC3ULY5G7HTSPE4SL2I \
  | 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: 91bfe232cb16e8bc74df3ce4f2724bd23c16db9df84142a09d15238cad95a632

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d249dc3fb652baff55b5a24a1b36f9c63286e1a04c10dd4f51286832104dcb0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2002-08-30T19:02:14Z",
    "title_canon_sha256": "9e3f3358abd25221fedbab869c368f91a48dc85ec680478ff34fe57cf278a938"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0208093",
    "kind": "arxiv",
    "version": 3
  }
}