Pith Number

pith:5J4HVOCZ

pith:2015:5J4HVOCZRGCFMRLTZPT7Z6V2LA

not attested not anchored not stored refs pending

Experimental quantum key distribution without monitoring signal disturbance

Hiroki Takesue, Kiyoshi Tamaki, Masato Koashi, Toshihiko Sasaki

arxiv:1505.07914 v1 · 2015-05-29 · 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{5J4HVOCZRGCFMRLTZPT7Z6V2LA}

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	2026-05-18T01:22:50.649750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea787ab8598984564573cbe7fcfaba5829bc3ca82020801aed1bf55076601dcd

Aliases

arxiv: 1505.07914 · arxiv_version: 1505.07914v1 · doi: 10.48550/arxiv.1505.07914 · pith_short_12: 5J4HVOCZRGCF · pith_short_16: 5J4HVOCZRGCFMRLT · pith_short_8: 5J4HVOCZ

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/5J4HVOCZRGCFMRLTZPT7Z6V2LA \
  | 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: ea787ab8598984564573cbe7fcfaba5829bc3ca82020801aed1bf55076601dcd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a3d1a0006b5899560c5109441b8ef1a2f9e8c083d88b8b6cfa159ad52791bef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-29T03:53:03Z",
    "title_canon_sha256": "687e37762f70ba1ca104bc020a25bddefaf696482367fe1adf374df17cda940f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07914",
    "kind": "arxiv",
    "version": 1
  }
}