Pith Number

pith:FEZJUXDN

pith:1998:FEZJUXDN2BUYDQTG3OQFSCXR2E

not attested not anchored not stored refs pending

Must Quantum Spacetimes Be Euclidean?

E. Sergio Santini, N. Pinto-Neto

arxiv:gr-qc/9811067 v2 · 1998-11-19 · 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{FEZJUXDN2BUYDQTG3OQFSCXR2E}

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	2026-05-18T01:08:01.190202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29329a5c6dd06981c266dba0590af1d1133df4a7ce78d76ee05876fb01e14aee

Aliases

arxiv: gr-qc/9811067 · arxiv_version: gr-qc/9811067v2 · doi: 10.48550/arxiv.gr-qc/9811067 · pith_short_12: FEZJUXDN2BUY · pith_short_16: FEZJUXDN2BUYDQTG · pith_short_8: FEZJUXDN

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/FEZJUXDN2BUYDQTG3OQFSCXR2E \
  | 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: 29329a5c6dd06981c266dba0590af1d1133df4a7ce78d76ee05876fb01e14aee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ae4e4a457b382ed09cbf36347e68d0759318d2f80c6dbc346b047f118f73e52",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "1998-11-19T16:34:09Z",
    "title_canon_sha256": "0f7c979fc302ed24591c96cee2842a5477c7194d805742e2b59830f57a4aa73f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/9811067",
    "kind": "arxiv",
    "version": 2
  }
}