Pith Number

pith:4SLPVL3M

pith:2026:4SLPVL3MJYGNFFQWU5VWTPG5MU

not attested not anchored not stored refs pending

Highly efficient difference-frequency generation for mid-infrared pulses by passively synchronous seeding

Heping Zeng, Huaixi Chen, Jianan Fang, Kun Huang, Minghang Xu, Ming Yan, Qiang Hao, Yinqi Wang

arxiv:2606.04330 v1 · 2026-06-03 · 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{4SLPVL3MJYGNFFQWU5VWTPG5MU}

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	2026-06-04T01:09:03.836346Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e496faaf6c4e0cd29616a76b69bcdd652968f691160a13ef2df2912acb05737e

Aliases

arxiv: 2606.04330 · arxiv_version: 2606.04330v1 · doi: 10.48550/arxiv.2606.04330 · pith_short_12: 4SLPVL3MJYGN · pith_short_16: 4SLPVL3MJYGNFFQW · pith_short_8: 4SLPVL3M

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/4SLPVL3MJYGNFFQWU5VWTPG5MU \
  | 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: e496faaf6c4e0cd29616a76b69bcdd652968f691160a13ef2df2912acb05737e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "604b6d728a8500f648ec7150abe2bc0d54b3ea3c34c7862b257541461e4d78c6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-06-03T01:12:12Z",
    "title_canon_sha256": "752929a29af42b098c999b574323e58cee2055c1ae44ec5a627e54085b642b69"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.04330",
    "kind": "arxiv",
    "version": 1
  }
}