Pith Number

pith:YKJB4VI4

pith:2017:YKJB4VI43CH7PH2XVZPRGEYYZT

not attested not anchored not stored refs pending

The $0$ to $R_1$ cylinder radial coordinate transformation can not be used to make cylinder layer electromagnetic cloak

Feng Xie, Ganquan Xie, Jianhua Li, Lee Xie

arxiv:1707.02500 v1 · 2017-07-08 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YKJB4VI43CH7PH2XVZPRGEYYZT}

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	2026-05-18T00:40:36.682742Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2921e551cd88ff79f57ae5f131318ccd82bd1573cd743a1fda9d3f0f4edbb8e

Aliases

arxiv: 1707.02500 · arxiv_version: 1707.02500v1 · doi: 10.48550/arxiv.1707.02500 · pith_short_12: YKJB4VI43CH7 · pith_short_16: YKJB4VI43CH7PH2X · pith_short_8: YKJB4VI4

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/YKJB4VI43CH7PH2XVZPRGEYYZT \
  | 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: c2921e551cd88ff79f57ae5f131318ccd82bd1573cd743a1fda9d3f0f4edbb8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e92b6c1be9cb994ddf85dd168619bd913af34b395417824d0f7925b332f1c6e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2017-07-08T22:18:56Z",
    "title_canon_sha256": "b8f9e0e4f8599bc2a7888173607068c35922aeb2bd53a0a3645af481820bf7c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.02500",
    "kind": "arxiv",
    "version": 1
  }
}