Pith Number

pith:KRIRQXDL

pith:2007:KRIRQXDLZ3MSC3A2QGQ74GBT5C

not attested not anchored not stored refs pending

Exotic solutions in General Relativity: Traversable wormholes and 'warp drive' spacetimes

Francisco S. N. Lobo

arxiv:0710.4474 v1 · 2007-10-24 · 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{KRIRQXDLZ3MSC3A2QGQ74GBT5C}

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	2026-05-18T03:01:54.872694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5451185c6bced9216c1a81a1fe1833e8b3e4fc3099b62ce901fa5890e514222d

Aliases

arxiv: 0710.4474 · arxiv_version: 0710.4474v1 · doi: 10.48550/arxiv.0710.4474 · pith_short_12: KRIRQXDLZ3MS · pith_short_16: KRIRQXDLZ3MSC3A2 · pith_short_8: KRIRQXDL

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/KRIRQXDLZ3MSC3A2QGQ74GBT5C \
  | 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: 5451185c6bced9216c1a81a1fe1833e8b3e4fc3099b62ce901fa5890e514222d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "400e8f4a5c3cc3e3629df224bd6b23554344cfb9376d1b14d25a7d907f9c0884",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "gr-qc",
    "submitted_at": "2007-10-24T14:06:04Z",
    "title_canon_sha256": "48f5594631f9b6cedc83767fcf2fd03196cf750b939cc238dc34f2f264f6c97e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0710.4474",
    "kind": "arxiv",
    "version": 1
  }
}