Pith Number

pith:P4HTOYUS

pith:2015:P4HTOYUSZPI56ZGLFG6Y5KJZOU

not attested not anchored not stored refs pending

Electrostriction enhancement in metamaterials

B. T. Kuhlmey, C. G. Poulton, C. Martijn de Sterke, C. Wolff, M. J. A. Smith, M. Lapine

arxiv:1504.04932 v3 · 2015-04-20 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P4HTOYUSZPI56ZGLFG6Y5KJZOU}

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	2026-05-18T02:00:01.977967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f0f376292cbd1df64cb29bd8ea93975224ac572633b711e579e8edaf113f65c

Aliases

arxiv: 1504.04932 · arxiv_version: 1504.04932v3 · doi: 10.48550/arxiv.1504.04932 · pith_short_12: P4HTOYUSZPI5 · pith_short_16: P4HTOYUSZPI56ZGL · pith_short_8: P4HTOYUS

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/P4HTOYUSZPI56ZGLFG6Y5KJZOU \
  | 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: 7f0f376292cbd1df64cb29bd8ea93975224ac572633b711e579e8edaf113f65c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "866623edfd31fe51d7497a96df52dd06dfe804b4cb0898b337a964a2f5f599a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-04-20T04:04:21Z",
    "title_canon_sha256": "e68579956486b7c14e2d463363b9f7ea85d617a961b5b679cf08909fcb4be7b2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.04932",
    "kind": "arxiv",
    "version": 3
  }
}