Pith Number

pith:WSXFXBN6

pith:2010:WSXFXBN6L3M2IZVERR52HUYYHW

not attested not anchored not stored refs pending

Reflection-less device allows electromagnetic warp drive

J.C. Nacher, T. Ochiai

arxiv:1012.5697 v1 · 2010-12-28 · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WSXFXBN6L3M2IZVERR52HUYYHW}

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	2026-05-18T04:32:22.513227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4ae5b85be5ed9a466a48c7ba3d3183dbe33055a61185f85f8a1d8c49123a8b0

Aliases

arxiv: 1012.5697 · arxiv_version: 1012.5697v1 · doi: 10.48550/arxiv.1012.5697 · pith_short_12: WSXFXBN6L3M2 · pith_short_16: WSXFXBN6L3M2IZVE · pith_short_8: WSXFXBN6

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/WSXFXBN6L3M2IZVERR52HUYYHW \
  | 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: b4ae5b85be5ed9a466a48c7ba3d3183dbe33055a61185f85f8a1d8c49123a8b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "022a232b02fa6c180bf6631099478593f787f336a98a6703d2a9973228755b2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-12-28T04:52:13Z",
    "title_canon_sha256": "8b9a0978d3f11816d523ead200af5f44097553134ced1addb6f03f6b1e942297"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.5697",
    "kind": "arxiv",
    "version": 1
  }
}