Pith Number

pith:JCJYTVGC

pith:2021:JCJYTVGCEPENZQGJ4XWSPN3PQD

not attested not anchored not stored refs pending

Improving the Precision of Optical Metrology by Detecting Fewer Photons

Chuan-Feng Li, Geng Chen, Gong-Chu Li, Guang-Can Guo, Jin-Shi Xu, Lei Chen, Liang Xu, Lijian Zhang, Ming Gong, Peng Yin, Wei-Feng Zhuang, Wen-Hao Zhang, Xing-Xiang Peng, Yu Ma, Ze-Gang Liu, Zong-Quan Zhou

arxiv:2103.12373 v1 · 2021-03-23 · quant-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JCJYTVGCEPENZQGJ4XWSPN3PQD}

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	2026-07-05T02:25:46.077453Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

489389d4c223c8dcc0c9e5ed27b76f80dc9980ea1d03dd7695b255617a7ceae2

Aliases

arxiv: 2103.12373 · arxiv_version: 2103.12373v1 · doi: 10.48550/arxiv.2103.12373 · pith_short_12: JCJYTVGCEPEN · pith_short_16: JCJYTVGCEPENZQGJ · pith_short_8: JCJYTVGC

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/JCJYTVGCEPENZQGJ4XWSPN3PQD \
  | 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: 489389d4c223c8dcc0c9e5ed27b76f80dc9980ea1d03dd7695b255617a7ceae2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3430f32b4eba280c6140073689391ba812fbb0012d67972dbc3debacf30430f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-03-23T08:14:45Z",
    "title_canon_sha256": "2fb0a284fff7e668fd263a13c4b707616ae49633fa5692e277448bf34b45d0ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.12373",
    "kind": "arxiv",
    "version": 1
  }
}