Pith Number

pith:XGP2WHYR

pith:2012:XGP2WHYRTPDSDBI2HTDLIHQNSJ

not attested not anchored not stored refs pending

Asymmetric Cloaking Theory Based on Finsler Geometry ~ How to design Harry Potter's invisibility cloak with a scientific method ~

Daisuke Nishiyama, Masato Taki, Tomohiro Amemiya

arxiv:1211.3040 v3 · 2012-11-13 · math-ph · math.MG · math.MP · 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{XGP2WHYRTPDSDBI2HTDLIHQNSJ}

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	2026-05-18T03:34:47.970912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b99fab1f119bc721851a3cc6b41e0d92775323127fe11a51d5e3df81a414b43b

Aliases

arxiv: 1211.3040 · arxiv_version: 1211.3040v3 · doi: 10.48550/arxiv.1211.3040 · pith_short_12: XGP2WHYRTPDS · pith_short_16: XGP2WHYRTPDSDBI2 · pith_short_8: XGP2WHYR

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/XGP2WHYRTPDSDBI2HTDLIHQNSJ \
  | 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: b99fab1f119bc721851a3cc6b41e0d92775323127fe11a51d5e3df81a414b43b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650e9bf8a9965696b6ea176407c257d4920c043f0c9e260cd6fe91d7db64b4f3",
    "cross_cats_sorted": [
      "math.MG",
      "math.MP",
      "physics.optics"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-11-13T16:25:44Z",
    "title_canon_sha256": "54e13e6196d5debfdcad33d4ebe3f515d046dca9d4138341aa5f7ee3d2e0e5c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.3040",
    "kind": "arxiv",
    "version": 3
  }
}