Pith Number

pith:NMC4QFBI

pith:2004:NMC4QFBIMO63CBDVKAOQPOZBBX

not attested not anchored not stored refs pending

Electric coupling to the magnetic resonance of split ring resonators

C. M. Soukoulis, E. N. Economou, M. Kafesaki, N. Katsarakis, T. Koschny

arxiv:cond-mat/0407369 v1 · 2004-07-14 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NMC4QFBIMO63CBDVKAOQPOZBBX}

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	2026-05-18T01:06:53.826166Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b05c8142863bdb10475501d07bb210dc428ce83ae114ad3b25b9a0657e1c677

Aliases

arxiv: cond-mat/0407369 · arxiv_version: cond-mat/0407369v1 · doi: 10.48550/arxiv.cond-mat/0407369 · pith_short_12: NMC4QFBIMO63 · pith_short_16: NMC4QFBIMO63CBDV · pith_short_8: NMC4QFBI

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/NMC4QFBIMO63CBDVKAOQPOZBBX \
  | 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: 6b05c8142863bdb10475501d07bb210dc428ce83ae114ad3b25b9a0657e1c677

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24a5e322bd66e534c2967ab66f8f859ea32291fa299aebd3e78727a5cb5b8605",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2004-07-14T18:30:22Z",
    "title_canon_sha256": "4deb7a77127f7cbf9ee80890d581adeff322abc6f11658c45d05a4d974a2114e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0407369",
    "kind": "arxiv",
    "version": 1
  }
}