Pith Number

pith:5KAKLU5P

pith:2019:5KAKLU5P4ABETLIYSHGYI6GYWX

not attested not anchored not stored refs pending

Nonlinear optical response of a gold surface in the visible range: A study by two-color sum-frequency generation spectroscopy. II. Model for metal nonlinear susceptibility

Bertrand Busson (LCPO, Inc), Laetitia Dalstein (LCPO)

arxiv:1905.06026 v1 · 2019-05-15 · physics.chem-ph · 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{5KAKLU5P4ABETLIYSHGYI6GYWX}

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	2026-05-17T23:46:07.712107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea80a5d3afe00249ad1891cd8478d8b5e16400df3810edd65502819241bedafb

Aliases

arxiv: 1905.06026 · arxiv_version: 1905.06026v1 · doi: 10.48550/arxiv.1905.06026 · pith_short_12: 5KAKLU5P4ABE · pith_short_16: 5KAKLU5P4ABETLIY · pith_short_8: 5KAKLU5P

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/5KAKLU5P4ABETLIYSHGYI6GYWX \
  | 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: ea80a5d3afe00249ad1891cd8478d8b5e16400df3810edd65502819241bedafb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d127c15575b3a5b5d349d9612533ce8f376238f5267e6d271ff5004fff90b201",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2019-05-15T08:30:03Z",
    "title_canon_sha256": "eca05a64947258f4aa7678d6de407c28387e8d05696bd0bc9ce275a4ab61279e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06026",
    "kind": "arxiv",
    "version": 1
  }
}