Pith Number

pith:ZPJJPMZ6

pith:2026:ZPJJPMZ6AD4ES64Z7RPORPV44N

not attested not anchored not stored refs pending

Highly-sensitive mid-infrared upconversion detection based on external-cavity pump enhancement

Ben Sun, Heping Zeng, Jianan Fang, Kun Huang, Wen Zhang, Xiaohan Liu, Yan Liang

arxiv:2605.29214 v1 · 2026-05-28 · 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{ZPJJPMZ6AD4ES64Z7RPORPV44N}

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	2026-05-29T01:05:24.700326Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cbd297b33e00f8497b99fc5ee8bebce36dbc8568685422f4baa69d30b485ad0a

Aliases

arxiv: 2605.29214 · arxiv_version: 2605.29214v1 · doi: 10.48550/arxiv.2605.29214 · pith_short_12: ZPJJPMZ6AD4E · pith_short_16: ZPJJPMZ6AD4ES64Z · pith_short_8: ZPJJPMZ6

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/ZPJJPMZ6AD4ES64Z7RPORPV44N \
  | 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: cbd297b33e00f8497b99fc5ee8bebce36dbc8568685422f4baa69d30b485ad0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "668613550d94831c18bfe010bf78c474695f8f60c5226ebfddc1ba6be2fee737",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2026-05-28T01:01:47Z",
    "title_canon_sha256": "5d9954bf2a7be6a1e8811b2811b1a2ef993b6f8d98ff2441458e69b3b855d020"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.29214",
    "kind": "arxiv",
    "version": 1
  }
}