Pith Number

pith:34NVCYHV

pith:2019:34NVCYHVXCFJA6UQMWFNEMBTGJ

not attested not anchored not stored refs pending

Plasmonic colours predicted by deep learning

Antonino Cal\`a Lesina, Arnaud Weck, Jean-Michel Guay, Joshua Baxter, Lora Ramunno, Pierre Berini

arxiv:1902.05898 v1 · 2019-02-15 · 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{34NVCYHVXCFJA6UQMWFNEMBTGJ}

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	2026-05-17T23:44:21.618616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df1b5160f5b88a907a90658ad23033327a73d3d179ac24c225f456fd82a62ea7

Aliases

arxiv: 1902.05898 · arxiv_version: 1902.05898v1 · doi: 10.48550/arxiv.1902.05898 · pith_short_12: 34NVCYHVXCFJ · pith_short_16: 34NVCYHVXCFJA6UQ · pith_short_8: 34NVCYHV

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/34NVCYHVXCFJA6UQMWFNEMBTGJ \
  | 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: df1b5160f5b88a907a90658ad23033327a73d3d179ac24c225f456fd82a62ea7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdb9053509f3d48bc1caf4ef955c89b95a914967c1c4e2d732e2bd4412941f60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2019-02-15T17:40:40Z",
    "title_canon_sha256": "ab7517bd6eb687660a220a1449f68c1d919cfb5e7d4c192d926bb8471dbbf027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05898",
    "kind": "arxiv",
    "version": 1
  }
}