Pith Number

pith:QAKNPVMU

pith:2013:QAKNPVMUD6UYD2U7E6PH7LF2FF

not attested not anchored not stored refs pending

Maintenance-free Operation of WDM Quantum Key Distribution System through a Field Fiber over 30 Days

Akio Tajima, Ken-ichiro Yoshino, Masahide Sasaki, Mikio Fujiwara, Takao Ochi

arxiv:1308.1011 v1 · 2013-08-05 · 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{QAKNPVMUD6UYD2U7E6PH7LF2FF}

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	2026-05-18T01:48:23.731544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8014d7d5941fa981ea9f279e7facba2949fb2cf5716e282569213906a778e3b2

Aliases

arxiv: 1308.1011 · arxiv_version: 1308.1011v1 · doi: 10.48550/arxiv.1308.1011 · pith_short_12: QAKNPVMUD6UY · pith_short_16: QAKNPVMUD6UYD2U7 · pith_short_8: QAKNPVMU

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/QAKNPVMUD6UYD2U7E6PH7LF2FF \
  | 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: 8014d7d5941fa981ea9f279e7facba2949fb2cf5716e282569213906a778e3b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6088eaeb5b2ef2db3bda0031ec22555a5aaf66d7598a8fb9d85885f82c5773f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-05T15:33:16Z",
    "title_canon_sha256": "0f4b41486dd698ce9060b9396ed6729b99c30cb230a46d3c8e98370be7c0602b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.1011",
    "kind": "arxiv",
    "version": 1
  }
}