Pith Number

pith:NOLXDLQT

pith:2013:NOLXDLQTQOLPCKTMWNKQ34XFFK

not attested not anchored not stored refs pending

Quantum Noise in Conventional Optical Heterodyne Devices

Boya Xie, Dechao He, Sheng Feng, Yu Xiao

arxiv:1301.4787 v2 · 2013-01-21 · 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{NOLXDLQTQOLPCKTMWNKQ34XFFK}

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	2026-05-18T02:38:59.567868Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b9771ae138396f12a6cb3550df2e52ab1521d3aada14f0d0cba1d628052678a

Aliases

arxiv: 1301.4787 · arxiv_version: 1301.4787v2 · doi: 10.48550/arxiv.1301.4787 · pith_short_12: NOLXDLQTQOLP · pith_short_16: NOLXDLQTQOLPCKTM · pith_short_8: NOLXDLQT

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/NOLXDLQTQOLPCKTMWNKQ34XFFK \
  | 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: 6b9771ae138396f12a6cb3550df2e52ab1521d3aada14f0d0cba1d628052678a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b46604eab9856dcb61e8e12b5a42db79e53841b434ee6e3d8cba5e7d3f725f6b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-01-21T08:21:50Z",
    "title_canon_sha256": "af8fa3b7795ad14b0ff72046485f89e0faa57bfbdc26113b4cce56bf6776e499"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4787",
    "kind": "arxiv",
    "version": 2
  }
}