Pith Number

pith:VUWYZRLW

pith:2012:VUWYZRLWMTOMMVXAUSRH25CFFL

not attested not anchored not stored refs pending

Proof-of-principle demonstration of measurement-device-independent quantum key distribution using polarization qubits

D. Vitoreti, G. B. Xavier, G. C. do Amaral, G. P. Tempor\~ao, J. P. von der Weid, T. Ferreira da Silva

arxiv:1207.6345 v3 · 2012-07-26 · 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{VUWYZRLWMTOMMVXAUSRH25CFFL}

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	2026-05-18T03:07:32.041173Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad2d8cc57664dcc656e0a4a27d74452afb840cd2faca614ff7ef693cfa65bcdb

Aliases

arxiv: 1207.6345 · arxiv_version: 1207.6345v3 · doi: 10.48550/arxiv.1207.6345 · pith_short_12: VUWYZRLWMTOM · pith_short_16: VUWYZRLWMTOMMVXA · pith_short_8: VUWYZRLW

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/VUWYZRLWMTOMMVXAUSRH25CFFL \
  | 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: ad2d8cc57664dcc656e0a4a27d74452afb840cd2faca614ff7ef693cfa65bcdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ee8d04d43a32a9d34c04212d20ef43e33eb032ffe633400d77277819950d81bc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2012-07-26T17:38:57Z",
    "title_canon_sha256": "236f6491e8a581dcd869110117672bb1ac39d5198f75c2a77d51d7548d05a86b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.6345",
    "kind": "arxiv",
    "version": 3
  }
}