Pith Number

pith:4XYS7XKY

pith:2011:4XYS7XKY2TDORHHQELF5X3LNV2

not attested not anchored not stored refs pending

Delayed optical nonlinearity of thin metal films

Giuseppe Della Valle, Matteo Conforti

arxiv:1109.5875 v1 · 2011-09-27 · 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{4XYS7XKY2TDORHHQELF5X3LNV2}

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	2026-05-18T03:53:45.082865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5f12fdd58d4c6e89cf022cbdbed6daeb9394d506d0bb49924dc4def2575f769

Aliases

arxiv: 1109.5875 · arxiv_version: 1109.5875v1 · doi: 10.48550/arxiv.1109.5875 · pith_short_12: 4XYS7XKY2TDO · pith_short_16: 4XYS7XKY2TDORHHQ · pith_short_8: 4XYS7XKY

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/4XYS7XKY2TDORHHQELF5X3LNV2 \
  | 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: e5f12fdd58d4c6e89cf022cbdbed6daeb9394d506d0bb49924dc4def2575f769

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d5733a947e8d9e7f3dcd80085b470fdf79084edb72473a5d7d9006ecd51ea52",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2011-09-27T13:05:37Z",
    "title_canon_sha256": "c0b78c267c1aa79f1e72fa56cd769f749ac754981a5ac5f7640b4638b38649ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5875",
    "kind": "arxiv",
    "version": 1
  }
}