Pith Number

pith:QT7F6BAS

pith:2006:QT7F6BASHBIS5R3DPCTFGIV3BD

not attested not anchored not stored refs pending

Efficient quantum key distribution with practical sources and detectors

Masato Koashi

arxiv:quant-ph/0609180 v1 · 2006-09-23 · 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{QT7F6BASHBIS5R3DPCTFGIV3BD}

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	2026-07-04T14:57:16.112232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84fe5f041238512ec76378a65322bb08db54290b4d6f11fabbf5ad956f69387d

Aliases

arxiv: quant-ph/0609180 · arxiv_version: quant-ph/0609180v1 · doi: 10.48550/arxiv.quant-ph/0609180 · pith_short_12: QT7F6BASHBIS · pith_short_16: QT7F6BASHBIS5R3D · pith_short_8: QT7F6BAS

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/QT7F6BASHBIS5R3DPCTFGIV3BD \
  | 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: 84fe5f041238512ec76378a65322bb08db54290b4d6f11fabbf5ad956f69387d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7065a7e48a1fb1517a36b0e3422947fb81f53db83d5f596f8ed7e031fba9ac0a",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2006-09-23T05:46:19Z",
    "title_canon_sha256": "2cac057d35644d338582cb36764dda42c7eb18c94630339ad1a60e96050b3503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0609180",
    "kind": "arxiv",
    "version": 1
  }
}