Pith Number

pith:B3ROC3JC

pith:2019:B3ROC3JC3WXOA4BVOUZ2NJETLU

not attested not anchored not stored refs pending

Metasurfaces with Interleaved Electric and Magnetic Resonances for Broadband Arbitrary Group Delay in Reflection

Costas M. Soukoulis, Odysseas Tsilipakos, Thomas Koschny

arxiv:1902.01121 v1 · 2019-02-04 · physics.app-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{B3ROC3JC3WXOA4BVOUZ2NJETLU}

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	2026-05-17T23:54:49.622741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ee2e16d22ddaee070357533a6a4935d051eaa2430fd8c7cb739ac9a8bffa231

Aliases

arxiv: 1902.01121 · arxiv_version: 1902.01121v1 · doi: 10.48550/arxiv.1902.01121 · pith_short_12: B3ROC3JC3WXO · pith_short_16: B3ROC3JC3WXOA4BV · pith_short_8: B3ROC3JC

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/B3ROC3JC3WXOA4BVOUZ2NJETLU \
  | 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: 0ee2e16d22ddaee070357533a6a4935d051eaa2430fd8c7cb739ac9a8bffa231

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fafd50d03c2b45ff4852e3210faa92161f10ed68777fa13a8e5bc500f9e8847",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.app-ph",
    "submitted_at": "2019-02-04T10:51:03Z",
    "title_canon_sha256": "050c2dfd505217e1d9c6cb6bb563372939ef60137befea5ea5d5d2656936295c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01121",
    "kind": "arxiv",
    "version": 1
  }
}