Pith Number

pith:OYOD5FDW

pith:2020:OYOD5FDWPFXA3ZRODVUPG3Y7DP

not attested not anchored not stored refs pending

Heterochromatic nonlinear optical responses in upconversion nanoparticles for point spread function engineering

Baolei Liu, Chaohao Chen, Dayong Jin, Fan Wang, Jiayan Liao, Xuchen Shan, Yongtao Liu

arxiv:2012.06704 v2 · 2020-12-12 · 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{OYOD5FDWPFXA3ZRODVUPG3Y7DP}

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	2026-07-05T02:16:51.700199Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

761c3e9476796e0de62e1d68f36f1f1bddfa871cc1905b57a7fab36be32a00b2

Aliases

arxiv: 2012.06704 · arxiv_version: 2012.06704v2 · doi: 10.48550/arxiv.2012.06704 · pith_short_12: OYOD5FDWPFXA · pith_short_16: OYOD5FDWPFXA3ZRO · pith_short_8: OYOD5FDW

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/OYOD5FDWPFXA3ZRODVUPG3Y7DP \
  | 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: 761c3e9476796e0de62e1d68f36f1f1bddfa871cc1905b57a7fab36be32a00b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d0948f768301e9b57d4f747feb2f7148b8c2356d44677f6a05e4467f2e4907e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2020-12-12T02:33:29Z",
    "title_canon_sha256": "ab99e72d4da84ba188461008b790c3bfc6148aeff05330bc08e5f626532c43a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.06704",
    "kind": "arxiv",
    "version": 2
  }
}