Pith Number

pith:I4EZQFJ3

pith:2020:I4EZQFJ36VLLZTELAKSQFCFBET

not attested not anchored not stored refs pending

The local density of optical states in the 3D band gap of a finite photonic crystal

Anna C. Tasolamprou, Charalampos P. Mavidis, Costas M. Soukoulis, Eleftherios N. Economou, Maria Kafesaki, Shakeeb B. Hasan, Thomas Koschny, Willem L. Vos

arxiv:2002.12029 v2 · 2020-02-27 · physics.optics · 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{I4EZQFJ36VLLZTELAKSQFCFBET}

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	2026-07-05T01:14:40.519689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

470998153bf556bccc8b02a50288a124d65c011f2b8a246ed2ee63bc9a60286a

Aliases

arxiv: 2002.12029 · arxiv_version: 2002.12029v2 · doi: 10.48550/arxiv.2002.12029 · pith_short_12: I4EZQFJ36VLL · pith_short_16: I4EZQFJ36VLLZTEL · pith_short_8: I4EZQFJ3

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/I4EZQFJ36VLLZTELAKSQFCFBET \
  | 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: 470998153bf556bccc8b02a50288a124d65c011f2b8a246ed2ee63bc9a60286a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e4a6d07180ba9a970ac1b731ec9fb70bb325a71d9d411db50dc1545def682d01",
    "cross_cats_sorted": [
      "physics.app-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-02-27T10:53:29Z",
    "title_canon_sha256": "d59b3d31131a4d2a99278a0bcebdeccbb49fcc4b22461a2c05f090974beff81c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.12029",
    "kind": "arxiv",
    "version": 2
  }
}