Pith Number

pith:HCTGNHAK

pith:2008:HCTGNHAKOQPKI7FJW4ZLDQ7EGP

not attested not anchored not stored refs pending

Manipulating the Loss in Electromagnetic Cloaks for Perfect Wave Absorption

Christos Argyropoulos, Efthymios Kallos, Yang Hao, Yan Zhao

arxiv:0811.4411 v2 · 2008-11-26 · 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{HCTGNHAKOQPKI7FJW4ZLDQ7EGP}

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	2026-05-18T02:15:12.954486Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38a6669c0a741ea47ca9b732b1c3e433e4cc30d51d829a39e4a01ab60e58be59

Aliases

arxiv: 0811.4411 · arxiv_version: 0811.4411v2 · doi: 10.48550/arxiv.0811.4411 · pith_short_12: HCTGNHAKOQPK · pith_short_16: HCTGNHAKOQPKI7FJ · pith_short_8: HCTGNHAK

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/HCTGNHAKOQPKI7FJW4ZLDQ7EGP \
  | 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: 38a6669c0a741ea47ca9b732b1c3e433e4cc30d51d829a39e4a01ab60e58be59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e6eb966bf3c9b62943d9af364d53f33c42fbe78082ed37f95e332f3e1fc16c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2008-11-26T20:12:04Z",
    "title_canon_sha256": "963015f4162d7de5c9ad406d9fa221e67c987bc514e6fd2449d51f1aad42d69d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0811.4411",
    "kind": "arxiv",
    "version": 2
  }
}