Pith Number

pith:25DV7T4I

pith:2009:25DV7T4I23E3LHQIHZXAHUMQFS

not attested not anchored not stored refs pending

A highly efficient two level diamond based single photon source

A. D. Greentree, B. C. Gibson, D. A. Simpson, E. Ampem-Lassen, F. M. Hossain, L. C. L. Hollenberg, S. Prawer, S. T. Huntington, S. Trpkovski

arxiv:0903.3807 v1 · 2009-03-23 · 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{25DV7T4I23E3LHQIHZXAHUMQFS}

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	2026-05-18T03:17:15.061254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d7475fcf88d6c9b59e083e6e03d1902c8257077950d5bcedee33109ef05cdc94

Aliases

arxiv: 0903.3807 · arxiv_version: 0903.3807v1 · doi: 10.48550/arxiv.0903.3807 · pith_short_12: 25DV7T4I23E3 · pith_short_16: 25DV7T4I23E3LHQI · pith_short_8: 25DV7T4I

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/25DV7T4I23E3LHQIHZXAHUMQFS \
  | 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: d7475fcf88d6c9b59e083e6e03d1902c8257077950d5bcedee33109ef05cdc94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "619944572ed13fea36d151ca96d65848ed61ce04aa7fb45c7789f35f577621e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-03-23T08:32:02Z",
    "title_canon_sha256": "fbd610597def6d5eb73f85af1d7523ad4b9a63bf162e2721ec65fe83b59f7e24"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3807",
    "kind": "arxiv",
    "version": 1
  }
}