Pith Number

pith:AJNPT25V

pith:2018:AJNPT25VQ2K6CBF37V7D2BA34A

not attested not anchored not stored refs pending

Achieving Heisenberg-scaling precision with projective measurement on single photons

Chuan-Feng Li, De-Yong He, Geng Chen, Guang-Can Guo, Jian-Shun Tang, Jin-Shi Xu, Liang Xu, Lijian Zhang, Wen-Hao Zhang, Xiao-Ye Xu, Xing-Xiang Peng, Yong-nan Sun, Zhao-Di Liu, Zong-Quan Zhou

arxiv:1808.02683 v1 · 2018-08-08 · 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{AJNPT25VQ2K6CBF37V7D2BA34A}

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	2026-05-18T00:07:05.648196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

025af9ebb58695e104bbfd7e3d041be006dea054c970b4885e4c0fa92e698675

Aliases

arxiv: 1808.02683 · arxiv_version: 1808.02683v1 · doi: 10.48550/arxiv.1808.02683 · pith_short_12: AJNPT25VQ2K6 · pith_short_16: AJNPT25VQ2K6CBF3 · pith_short_8: AJNPT25V

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/AJNPT25VQ2K6CBF37V7D2BA34A \
  | 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: 025af9ebb58695e104bbfd7e3d041be006dea054c970b4885e4c0fa92e698675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc8543500d1dea5baa9caf0c58d14b229736637f372b429d820c444edec57c3f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-08-08T09:18:43Z",
    "title_canon_sha256": "3305bd2a9747b6a905e7c6934738a2f150bdad5ad0a3a7d7b79c8edda1befefc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.02683",
    "kind": "arxiv",
    "version": 1
  }
}