Pith Number

pith:CGJSGARF

pith:2019:CGJSGARFXTWQZRK5UEMAEIBGGV

not attested not anchored not stored refs pending

Parity-Enhanced Quantum Optimal Measurements

Haijun Xing, Libin Fu, Su Yi

arxiv:1904.08738 v2 · 2019-04-18 · 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{CGJSGARFXTWQZRK5UEMAEIBGGV}

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	2026-05-17T23:48:04.304763Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1193230225bced0cc55da1180220263554e8835c4f198b61e0d9a2b846074cbb

Aliases

arxiv: 1904.08738 · arxiv_version: 1904.08738v2 · doi: 10.48550/arxiv.1904.08738 · pith_short_12: CGJSGARFXTWQ · pith_short_16: CGJSGARFXTWQZRK5 · pith_short_8: CGJSGARF

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/CGJSGARFXTWQZRK5UEMAEIBGGV \
  | 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: 1193230225bced0cc55da1180220263554e8835c4f198b61e0d9a2b846074cbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7b56a6ae0d5cdcbf5f3c4ae08e7e6e031dd7179b527e3eaf4120c197967ad07",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-04-18T12:51:24Z",
    "title_canon_sha256": "6f5aa81082ead6d8b07848cce1a5f1976dfabe3d363820df8da1d66f0c64a800"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.08738",
    "kind": "arxiv",
    "version": 2
  }
}