Pith Number

pith:YIXQX5YH

pith:2005:YIXQX5YHCWP6A2I7JLWD4EPDLS

not attested not anchored not stored refs pending

GHz QKD at telecom wavelengths using up-conversion detectors

A. Rochas, H. Zbinden, I. Rech, L. Krainer, N. Gisin, R. T. Thew, S. Cova, S. C. Zeller, S. Tanzilli

arxiv:quant-ph/0512054 v1 · 2005-12-07 · 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{YIXQX5YHCWP6A2I7JLWD4EPDLS}

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	2026-07-04T16:58:14.031942Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c22f0bf707159fe0691f4aec3e11e35c902e8cb14376e2b2b58fe8cd6bdef080

Aliases

arxiv: quant-ph/0512054 · arxiv_version: quant-ph/0512054v1 · doi: 10.48550/arxiv.quant-ph/0512054 · pith_short_12: YIXQX5YHCWP6 · pith_short_16: YIXQX5YHCWP6A2I7 · pith_short_8: YIXQX5YH

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/YIXQX5YHCWP6A2I7JLWD4EPDLS \
  | 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: c22f0bf707159fe0691f4aec3e11e35c902e8cb14376e2b2b58fe8cd6bdef080

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d2eeeb6f5c01bdb178c7f994f2419ff71198e0770665eb184af33ab398421b1",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-12-07T10:13:27Z",
    "title_canon_sha256": "d9adcd2de4650e605292bcd8c009daecdd6d64494b1c6ead7611182b38e2c260"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0512054",
    "kind": "arxiv",
    "version": 1
  }
}