Pith Number

pith:6J4FIFZZ

pith:2008:6J4FIFZZFUP7NONHJVVWFF2DWG

not attested not anchored not stored refs pending

A Thin Electromagnetic Absorber for Wide Incidence Angles and Both Polarizations

Agostino Monorchio, Filippo Costa, Olli Luukkonen, Sergei A. Tretyakov

arxiv:0807.4831 v3 · 2008-07-30 · 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{6J4FIFZZFUP7NONHJVVWFF2DWG}

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	2026-05-18T02:15:44.310296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f2785417392d1ff6b9a74d6b629743b18e8207870da8b5801e9ed679eea48fa1

Aliases

arxiv: 0807.4831 · arxiv_version: 0807.4831v3 · doi: 10.48550/arxiv.0807.4831 · pith_short_12: 6J4FIFZZFUP7 · pith_short_16: 6J4FIFZZFUP7NONH · pith_short_8: 6J4FIFZZ

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/6J4FIFZZFUP7NONHJVVWFF2DWG \
  | 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: f2785417392d1ff6b9a74d6b629743b18e8207870da8b5801e9ed679eea48fa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "320103c7c09d9bdb4f89699a589cfee7d05253047c3e8843aa2367be8b5bfcdd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2008-07-30T10:34:41Z",
    "title_canon_sha256": "ee9553d7ed6a9756dca3d8bdf5e4bc7fe65fc0823d07d16a8e5eba1a1f45e3e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.4831",
    "kind": "arxiv",
    "version": 3
  }
}