Pith Number

pith:4OWGQNFP

pith:2016:4OWGQNFPQKZQU5ERQ75XVLPTJS

not attested not anchored not stored refs pending

Comparison and characterization of efficient frequency doubling at 397.5 nm with PPKTP, LBO and BiBO crystals

Junmin Wang, Xin Wen, Yashuai Han

arxiv:1601.07971 v1 · 2016-01-29 · 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{4OWGQNFPQKZQU5ERQ75XVLPTJS}

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	2026-05-18T01:18:37.790824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3ac6834af82b30a749187fb7aadf34ca82976b890a4c529c2b5c4acab82acb4

Aliases

arxiv: 1601.07971 · arxiv_version: 1601.07971v1 · doi: 10.48550/arxiv.1601.07971 · pith_short_12: 4OWGQNFPQKZQ · pith_short_16: 4OWGQNFPQKZQU5ER · pith_short_8: 4OWGQNFP

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/4OWGQNFPQKZQU5ERQ75XVLPTJS \
  | 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: e3ac6834af82b30a749187fb7aadf34ca82976b890a4c529c2b5c4acab82acb4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e033a91962bde0fab5aa377059f5c98fa1078db65fb602d18806638009ad00d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2016-01-29T03:24:45Z",
    "title_canon_sha256": "265c77428ef7f3581d9bbb02ca8dc5850b71d7419a41ceec9e7f0f72ecc149fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07971",
    "kind": "arxiv",
    "version": 1
  }
}