Pith Number

pith:R2XU2XV4

pith:2010:R2XU2XV476PI5UMAGHZ35A2VR5

not attested not anchored not stored refs pending

Metamaterial-based model of the Alcubierre warp drive

Igor I. Smolyaninov

arxiv:1009.5663 v2 · 2010-09-28 · physics.optics · 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{R2XU2XV476PI5UMAGHZ35A2VR5}

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	2026-05-18T04:12:10.580728Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8eaf4d5ebcff9e8ed18031f3be83558f7602d4c917da959af1d96958a1e382be

Aliases

arxiv: 1009.5663 · arxiv_version: 1009.5663v2 · doi: 10.48550/arxiv.1009.5663 · pith_short_12: R2XU2XV476PI · pith_short_16: R2XU2XV476PI5UMA · pith_short_8: R2XU2XV4

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/R2XU2XV476PI5UMAGHZ35A2VR5 \
  | 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: 8eaf4d5ebcff9e8ed18031f3be83558f7602d4c917da959af1d96958a1e382be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "363b0ffbad353856c605174d97ff0263458b50f14695b5460eb10f5391b75c4f",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-09-28T19:43:47Z",
    "title_canon_sha256": "3699e300b96a8875131a2e277532c1cf001b46b4d5640ba1589c181087150aa1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.5663",
    "kind": "arxiv",
    "version": 2
  }
}