Pith Number

pith:4CPUCJQH

pith:2012:4CPUCJQHTQ2EKYYXA5ADTN7A2K

not attested not anchored not stored refs pending

The anisotropic Kerr nonlinear refractive index of the beta-barium borate (\beta-BaB2O4) nonlinear crystal

Binbin Zhou, Hairun Guo, Morten Bache, Xianglong Zeng

arxiv:1209.3158 v3 · 2012-09-14 · 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{4CPUCJQHTQ2EKYYXA5ADTN7A2K}

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	2026-05-18T03:32:58.787619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e09f4126079c34456317074039b7e0d2a57ba10ebcd19c0093d5e9823111af33

Aliases

arxiv: 1209.3158 · arxiv_version: 1209.3158v3 · doi: 10.48550/arxiv.1209.3158 · pith_short_12: 4CPUCJQHTQ2E · pith_short_16: 4CPUCJQHTQ2EKYYX · pith_short_8: 4CPUCJQH

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/4CPUCJQHTQ2EKYYXA5ADTN7A2K \
  | 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: e09f4126079c34456317074039b7e0d2a57ba10ebcd19c0093d5e9823111af33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e48c090078cb3255bf7d388fd800afdb98bcffd78d1a8cb6fe3a39045f16d6dc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2012-09-14T11:49:57Z",
    "title_canon_sha256": "59d0190a8a890cd3de94b4d700ac3bd48030697bada73559f500f3ed1b4591ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.3158",
    "kind": "arxiv",
    "version": 3
  }
}