Pith Number

pith:GFQPBW57

pith:2016:GFQPBW57GPQBV33CWYYQUBONPQ

not attested not anchored not stored refs pending

Novel GLHUA Electromagnetic Invisible Double Layer Cloak With Relative Parameters Not Less Than 1 and GL No Scattering Inversion,radial R in the sphere coordinate can be negative in a negative space world

Feng Xie, Ganquan Xie, Jianhua Li, Lee Xie

arxiv:1612.02857 v13 · 2016-12-02 · physics.gen-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{GFQPBW57GPQBV33CWYYQUBONPQ}

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	2026-05-18T00:06:21.011608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3160f0dbbf33e01aef62b6310a05cd7c2839c595e76ad1d9acf78f95946c258b

Aliases

arxiv: 1612.02857 · arxiv_version: 1612.02857v13 · doi: 10.48550/arxiv.1612.02857 · pith_short_12: GFQPBW57GPQB · pith_short_16: GFQPBW57GPQBV33C · pith_short_8: GFQPBW57

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/GFQPBW57GPQBV33CWYYQUBONPQ \
  | 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: 3160f0dbbf33e01aef62b6310a05cd7c2839c595e76ad1d9acf78f95946c258b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec64cc47f3f51894f38ffc81bb25bc5dbe45a9c0f01b13d6a8888204301a92e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.gen-ph",
    "submitted_at": "2016-12-02T09:13:33Z",
    "title_canon_sha256": "135d5a05e7fc2060e2fdab869a6312efeca49705548d045289f2594df11b19c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.02857",
    "kind": "arxiv",
    "version": 13
  }
}