Pith Number

pith:Z2HST7MM

pith:2020:Z2HST7MM4MEFITMYBSQ7TNDG2X

not attested not anchored not stored refs pending

Extra-cavity-enhanced difference-frequency generation at 1.63 {\mu}m

Bao-Sen Shi, Chen Yang, Guang-Can Guo, Shi-Kai Liu, Shi-Long Liu, Yan Li, Yin-Hai Li, Zhao-Huai Xu, Zhi-Yuan Zhou

arxiv:2003.10122 v1 · 2020-03-23 · 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{Z2HST7MM4MEFITMYBSQ7TNDG2X}

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	2026-07-05T01:04:19.084590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce8f29fd8ce308544d980ca1f9b466d5ea4be7163c24154c6368d1875459508d

Aliases

arxiv: 2003.10122 · arxiv_version: 2003.10122v1 · doi: 10.48550/arxiv.2003.10122 · pith_short_12: Z2HST7MM4MEF · pith_short_16: Z2HST7MM4MEFITMY · pith_short_8: Z2HST7MM

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/Z2HST7MM4MEFITMYBSQ7TNDG2X \
  | 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: ce8f29fd8ce308544d980ca1f9b466d5ea4be7163c24154c6368d1875459508d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b185b5bd7f7e0c1192f613ed9af94607d4b144bd262c3270c2c418c60650fbf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-03-23T08:07:55Z",
    "title_canon_sha256": "51095ff138a024b8df070a824f914aa8bcc6d8c88664f811e32bfbcfe0e73852"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.10122",
    "kind": "arxiv",
    "version": 1
  }
}