Pith Number

pith:7F7NSU4M

pith:2005:7F7NSU4MRFAZDLOKT7L5U66YIL

not attested not anchored not stored refs pending

Modeling of Isotropic Backward-Wave Materials Composed of Resonant Spheres

I. Kolmakov, L. Jylha, S. Maslovski, S. Tretyakov

arxiv:cond-mat/0507324 v1 · 2005-07-14 · 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{7F7NSU4MRFAZDLOKT7L5U66YIL}

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	2026-05-18T01:39:50.819183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f97ed9538c894191adca9fd7da7bd842d524690cb21b5a4bbb2f4fa663a24db8

Aliases

arxiv: cond-mat/0507324 · arxiv_version: cond-mat/0507324v1 · doi: 10.48550/arxiv.cond-mat/0507324 · pith_short_12: 7F7NSU4MRFAZ · pith_short_16: 7F7NSU4MRFAZDLOK · pith_short_8: 7F7NSU4M

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/7F7NSU4MRFAZDLOKT7L5U66YIL \
  | 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: f97ed9538c894191adca9fd7da7bd842d524690cb21b5a4bbb2f4fa663a24db8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "880c8ec41612b6a1a6aa5b082890b71ab0260df9e17584d28ba48a37f157663a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2005-07-14T07:48:01Z",
    "title_canon_sha256": "67f11beb2dd0664562d852a50201427f66336b0afa6c07458703f0d4915be870"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0507324",
    "kind": "arxiv",
    "version": 1
  }
}