Pith Number

pith:YCRV7FQQ

pith:2023:YCRV7FQQVH67VTUUHFI2AAIRMI

not attested not anchored not stored refs pending

Optimal quantum metrology for two-photon absorption

Andy Chia, Athena Karsa, Changhyoup Lee, Kwang-Geol Lee, Ranjith Nair

arxiv:2311.12555 v1 · 2023-11-21 · 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{YCRV7FQQVH67VTUUHFI2AAIRMI}

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	2026-07-05T07:15:07.201049Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0a35f9610a9fdface943951a001116217dea749b9cbeddf5f127badc695440d

Aliases

arxiv: 2311.12555 · arxiv_version: 2311.12555v1 · doi: 10.48550/arxiv.2311.12555 · pith_short_12: YCRV7FQQVH67 · pith_short_16: YCRV7FQQVH67VTUU · pith_short_8: YCRV7FQQ

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/YCRV7FQQVH67VTUUHFI2AAIRMI \
  | 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: c0a35f9610a9fdface943951a001116217dea749b9cbeddf5f127badc695440d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a57289993e97e2434b70f54b658e7203140e9f3cf7f9f77c56f90d820043372",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-11-21T12:07:41Z",
    "title_canon_sha256": "12ce3df882217e1c1933c813ac7a5f724db7ddcec929925323a8979bf5378551"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2311.12555",
    "kind": "arxiv",
    "version": 1
  }
}