Pith Number

pith:QFROVQEV

pith:2012:QFROVQEVEOIR67EN7KELRPA3HX

not attested not anchored not stored refs pending

Two-photon interference using background-free quantum frequency conversion of single photons from a semiconductor quantum dot

Angelo Gulinatti, Antonio Badolato, Imad Agha, Ivan Rech, Kartik Srinivasan, Matthew T. Rakher, Serkan Ates

arxiv:1207.4226 v1 · 2012-07-17 · quant-ph · cond-mat.mes-hall · 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{QFROVQEVEOIR67EN7KELRPA3HX}

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	2026-05-18T03:31:33.872165Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8162eac09523911f7c8dfa88b8bc1b3df85b735d5d2d3f75a16ba53b72344f4d

Aliases

arxiv: 1207.4226 · arxiv_version: 1207.4226v1 · doi: 10.48550/arxiv.1207.4226 · pith_short_12: QFROVQEVEOIR · pith_short_16: QFROVQEVEOIR67EN · pith_short_8: QFROVQEV

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/QFROVQEVEOIR67EN7KELRPA3HX \
  | 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: 8162eac09523911f7c8dfa88b8bc1b3df85b735d5d2d3f75a16ba53b72344f4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32e2e4737cb2eb66ab4cc59bbab7201ce630ce08e4bd565b25a9cca630bd4cf2",
    "cross_cats_sorted": [
      "cond-mat.mes-hall",
      "physics.optics"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-17T22:10:43Z",
    "title_canon_sha256": "422db746c36e6f8fb9571bfa250f972fdfe8299e4497e613248dec4cf68ab976"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4226",
    "kind": "arxiv",
    "version": 1
  }
}