Pith Number

pith:QQZHZVGC

pith:2017:QQZHZVGCD4OD2XAYXPXJPKFTNM

not attested not anchored not stored refs pending

Integrated-optics heralded controlled-NOT gate for polarization-encoded qubits

Aditya N. Sharma, Alexander Szameit, Amir Moqanaki, Jonas Zeuner, Markus Gr\"afe, Max Tillmann, Philip Walther, Ren\'e Heilmann

arxiv:1708.06778 v2 · 2017-08-22 · 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{QQZHZVGCD4OD2XAYXPXJPKFTNM}

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	2026-05-18T00:22:52.670646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84327cd4c21f1c3d5c18bbee97a8b36b0b09097e41c1d380c6757df00880fd7b

Aliases

arxiv: 1708.06778 · arxiv_version: 1708.06778v2 · doi: 10.48550/arxiv.1708.06778 · pith_short_12: QQZHZVGCD4OD · pith_short_16: QQZHZVGCD4OD2XAY · pith_short_8: QQZHZVGC

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/QQZHZVGCD4OD2XAYXPXJPKFTNM \
  | 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: 84327cd4c21f1c3d5c18bbee97a8b36b0b09097e41c1d380c6757df00880fd7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "446422f1ed9f74c927eb3d7caee4b1592beed879912bb3c99e78893b1b31ce60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-08-22T18:34:31Z",
    "title_canon_sha256": "1b39986556821aaabfe116510eca596c4d29dbe2791febf520cd9db58fc4b40b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.06778",
    "kind": "arxiv",
    "version": 2
  }
}