Pith Number

pith:FUZ5HO23

pith:2001:FUZ5HO23VMEDGH5NTZT2WMRBOI

not attested not anchored not stored refs pending

R=0 spacetimes and self-dual Lorentzian wormholes

Matt Visser (Washington), Naresh Dadhich (IUCAA), Sailajananda Mukherji (NBU), Sayan Kar (IITKgp)

arxiv:gr-qc/0109069 v1 · 2001-09-19 · 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{FUZ5HO23VMEDGH5NTZT2WMRBOI}

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

Can wormholes have vanishing Love numbers?

Receipt and verification

First computed	2026-05-18T04:35:35.140735Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d33d3bb5bab08331fad9e67ab322172164a50d4134c17cd8b999f819e62c6a6

Aliases

arxiv: gr-qc/0109069 · arxiv_version: gr-qc/0109069v1 · doi: 10.48550/arxiv.gr-qc/0109069 · pith_short_12: FUZ5HO23VMED · pith_short_16: FUZ5HO23VMEDGH5N · pith_short_8: FUZ5HO23

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/FUZ5HO23VMEDGH5NTZT2WMRBOI \
  | 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: 2d33d3bb5bab08331fad9e67ab322172164a50d4134c17cd8b999f819e62c6a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d15c3197cde43ab4726cbca05306262a5e5618d57824d1403c73d3020c1caeb",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2001-09-19T17:00:02Z",
    "title_canon_sha256": "4fd455ee6cfe9ce20a5c0953e3820a6cc0189669f6216163ebe9578f11a864cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "gr-qc/0109069",
    "kind": "arxiv",
    "version": 1
  }
}