Pith Number

pith:G2YRHATK

pith:2019:G2YRHATK4WNV4VP2DLGFEHO3ER

not attested not anchored not stored refs pending

A nearly optimal and robust protocol for nonlinear phase estimation using coherent states

Chen-Fei Jin, Jian-dong Zhang, Jun-Yan Hu, Long-Zhu Cen, Yi-Fei Sun, Yuan Zhao, Zi-Jing Zhang

arxiv:1906.08995 v1 · 2019-06-21 · 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{G2YRHATK4WNV4VP2DLGFEHO3ER}

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	2026-05-17T23:42:47.141938Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36b113826ae59b5e55fa1acc521ddb247371f3006b1a5745cd3017f545740f5a

Aliases

arxiv: 1906.08995 · arxiv_version: 1906.08995v1 · doi: 10.48550/arxiv.1906.08995 · pith_short_12: G2YRHATK4WNV · pith_short_16: G2YRHATK4WNV4VP2 · pith_short_8: G2YRHATK

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/G2YRHATK4WNV4VP2DLGFEHO3ER \
  | 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: 36b113826ae59b5e55fa1acc521ddb247371f3006b1a5745cd3017f545740f5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "623e4bff30d075dec35c2f2a3cc072844c4e94d2f0d1e3403e91a7417c4088d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-06-21T08:09:32Z",
    "title_canon_sha256": "b212a6d29b579717861b0f061135807685ffa17d9bc1c6c8e89355c3ddb08263"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08995",
    "kind": "arxiv",
    "version": 1
  }
}