Pith Number

pith:QJ4UGJBN

pith:2015:QJ4UGJBNVY4ZQKT7TGEEXKZFQZ

not attested not anchored not stored refs pending

Quantum-correlated photon pairs generated in a commercial 45nm complementary metal-oxide semiconductor microelectronics chip

Cale M. Gentry, Fabio Pavanello, Jeffrey M. Shainline, Mark T. Wade, Martin J. Stevens, Milo\v{s} A. Popovi\'c, Richard P. Mirin, Sae Woo Nam, Shellee D. Dyer, Thomas Gerrits, Xiaoge Zeng

arxiv:1507.01121 v2 · 2015-07-04 · physics.optics · 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{QJ4UGJBNVY4ZQKT7TGEEXKZFQZ}

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	2026-05-18T01:36:17.748128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

827943242dae39982a7f99884bab258658c80ec3aa77060328d71bc3f995f9af

Aliases

arxiv: 1507.01121 · arxiv_version: 1507.01121v2 · doi: 10.48550/arxiv.1507.01121 · pith_short_12: QJ4UGJBNVY4Z · pith_short_16: QJ4UGJBNVY4ZQKT7 · pith_short_8: QJ4UGJBN

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/QJ4UGJBNVY4ZQKT7TGEEXKZFQZ \
  | 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: 827943242dae39982a7f99884bab258658c80ec3aa77060328d71bc3f995f9af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0741c2241a0df6f868e7ff70272a57ef4dae9a305100164426cc7e6cdc289c93",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-07-04T15:49:30Z",
    "title_canon_sha256": "1dcf0c14f72ff01adb79a039a4c40d47bd0d2d5d781dbebf48c9c2af009e274d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.01121",
    "kind": "arxiv",
    "version": 2
  }
}