Pith Number

pith:QXO57DAR

pith:2009:QXO57DARSWSMEUMBT6WOA5MAJK

not attested not anchored not stored refs pending

High-performance diamond-based single-photon sources for quantum communication

Andrew D. Greentree, Chun-Hsu Su, Lloyd C. L. Hollenberg

arxiv:0904.2267 v2 · 2009-04-15 · 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{QXO57DARSWSMEUMBT6WOA5MAJK}

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	2026-05-18T03:24:06.955455Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85dddf8c1195a4c251819face075804aaade887af063f5950021a80ba7583e3f

Aliases

arxiv: 0904.2267 · arxiv_version: 0904.2267v2 · doi: 10.48550/arxiv.0904.2267 · pith_short_12: QXO57DARSWSM · pith_short_16: QXO57DARSWSMEUMB · pith_short_8: QXO57DAR

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/QXO57DARSWSMEUMBT6WOA5MAJK \
  | 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: 85dddf8c1195a4c251819face075804aaade887af063f5950021a80ba7583e3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e408005a1b96821f1ca56694f1270c8c607129b3e977ac736881f5a100a1f16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-04-15T09:27:45Z",
    "title_canon_sha256": "926687efae03ec79dc41b2f9b381e023d452ce521cfedfd6b6bfa26d40ca36d4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2267",
    "kind": "arxiv",
    "version": 2
  }
}