Pith Number

pith:ZTXQPFJE

pith:2012:ZTXQPFJES63G4CVHFSDEBUNRDV

not attested not anchored not stored refs pending

Effective material parameter retrieval for thin sheets: theory and application to graphene, thin silver films, and single-layer metamaterials

Costas M. Soukoulis, Philippe Tassin, Thomas Koschny

arxiv:1209.5877 v1 · 2012-09-26 · physics.optics · cond-mat.mes-hall · 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{ZTXQPFJES63G4CVHFSDEBUNRDV}

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	2026-05-18T03:44:46.092054Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccef07952497b66e0aa72c8640d1b11d62a7ef8d96b47f94bf7718c41441069d

Aliases

arxiv: 1209.5877 · arxiv_version: 1209.5877v1 · doi: 10.48550/arxiv.1209.5877 · pith_short_12: ZTXQPFJES63G · pith_short_16: ZTXQPFJES63G4CVH · pith_short_8: ZTXQPFJE

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/ZTXQPFJES63G4CVHFSDEBUNRDV \
  | 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: ccef07952497b66e0aa72c8640d1b11d62a7ef8d96b47f94bf7718c41441069d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8427037fa096a9ec8ab4c18681dde30144ab796aca9b4996612f46189a3b9f98",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-09-26T09:08:45Z",
    "title_canon_sha256": "0b9dce943632258e242826e5e62df92ad7e431219c78ac107ee1daaf7a52df43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.5877",
    "kind": "arxiv",
    "version": 1
  }
}