Pith Number

pith:74QS5NGZ

pith:2010:74QS5NGZFYCG2EQ7TDVNDQVUVS

not attested not anchored not stored refs pending

Maximizing the hyperpolarizability of one-dimensional systems

David S. Watkins, Mark G. Kuzyk, Urszula B. Szafruga

arxiv:1003.1321 v1 · 2010-03-05 · physics.optics · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{74QS5NGZFYCG2EQ7TDVNDQVUVS}

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	2026-05-18T02:08:45.560503Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff212eb4d92e046d121f98ead1c2b4ac81ac22192925de90f92c97978d0b76d0

Aliases

arxiv: 1003.1321 · arxiv_version: 1003.1321v1 · doi: 10.48550/arxiv.1003.1321 · pith_short_12: 74QS5NGZFYCG · pith_short_16: 74QS5NGZFYCG2EQ7 · pith_short_8: 74QS5NGZ

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/74QS5NGZFYCG2EQ7TDVNDQVUVS \
  | 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: ff212eb4d92e046d121f98ead1c2b4ac81ac22192925de90f92c97978d0b76d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a5b8c035f8d559af576d0c25375d4db15dfb0fefb2e744db78a9f0d704eb2f5",
    "cross_cats_sorted": [
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2010-03-05T17:47:40Z",
    "title_canon_sha256": "70936059d1806f557d539a62ef3f92d630cfaacb591f81bb714008663debf527"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.1321",
    "kind": "arxiv",
    "version": 1
  }
}