Pith Number

pith:YKZ7X7OQ

pith:2019:YKZ7X7OQKJAA7VDEOJKTR34JTO

not attested not anchored not stored refs pending

Quantum radar

Changliang Ren, Lorenzo Maccone

arxiv:1905.02672 v1 · 2019-05-07 · 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{YKZ7X7OQKJAA7VDEOJKTR34JTO}

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.

Cited by

1 paper in Pith

Robust quantum metrology with explicit symmetric states

Receipt and verification

First computed	2026-07-05T01:05:34.728988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2b3fbfdd052400fd464725538ef899ba9b31e48d348c23f8cff86cae72cdf04

Aliases

arxiv: 1905.02672 · arxiv_version: 1905.02672v1 · doi: 10.48550/arxiv.1905.02672 · pith_short_12: YKZ7X7OQKJAA · pith_short_16: YKZ7X7OQKJAA7VDE · pith_short_8: YKZ7X7OQ

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/YKZ7X7OQKJAA7VDEOJKTR34JTO \
  | 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: c2b3fbfdd052400fd464725538ef899ba9b31e48d348c23f8cff86cae72cdf04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea07656c8b580a31d8ab327d610df5d286b81970c514934dac34fa8d0271c8e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-05-07T16:19:40Z",
    "title_canon_sha256": "0409d012e58e661bfd3a0175a4e9e85446c4b9ec435585437d13fbe2e0931938"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02672",
    "kind": "arxiv",
    "version": 1
  }
}