Pith Number

pith:WGSXOWKJ

pith:2023:WGSXOWKJNHPPNOXQCX3SHH4EYD

not attested not anchored not stored refs pending

Perfect single-photon sources

Fabrice P. Laussy, Sana Khalid

arxiv:2306.13646 v2 · 2023-06-23 · quant-ph · physics.optics

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WGSXOWKJNHPPNOXQCX3SHH4EYD}

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	2026-07-05T06:31:32.583402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1a577594969def6baf015f7239f84c0cce3dca3ddf34415c47a50dddf0c4960

Aliases

arxiv: 2306.13646 · arxiv_version: 2306.13646v2 · doi: 10.48550/arxiv.2306.13646 · pith_short_12: WGSXOWKJNHPP · pith_short_16: WGSXOWKJNHPPNOXQ · pith_short_8: WGSXOWKJ

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/WGSXOWKJNHPPNOXQCX3SHH4EYD \
  | 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: b1a577594969def6baf015f7239f84c0cce3dca3ddf34415c47a50dddf0c4960

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4efa01c4bd0aaab5b3970d5497cdd92938c4901532241291da907248af01d4c8",
    "cross_cats_sorted": [
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2023-06-23T17:54:19Z",
    "title_canon_sha256": "6f93e3179718ba05db868fca7e5fe2e3d214ef8fad4512bfea4bcb744104b727"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2306.13646",
    "kind": "arxiv",
    "version": 2
  }
}