Pith Number

pith:UH6LDG5X

pith:2014:UH6LDG5XRQPTAYSMDK237OT5NT

not attested not anchored not stored refs pending

A correct security evaluation of quantum key distribution

Osamu Hirota

arxiv:1409.5991 v1 · 2014-09-21 · 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{UH6LDG5XRQPTAYSMDK237OT5NT}

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	2026-05-18T02:42:13.964915Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1fcb19bb78c1f30624c1ab5bfba7d6cc74f2cd8f8d83f537c36e23a1bf87a2b

Aliases

arxiv: 1409.5991 · arxiv_version: 1409.5991v1 · doi: 10.48550/arxiv.1409.5991 · pith_short_12: UH6LDG5XRQPT · pith_short_16: UH6LDG5XRQPTAYSM · pith_short_8: UH6LDG5X

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/UH6LDG5XRQPTAYSMDK237OT5NT \
  | 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: a1fcb19bb78c1f30624c1ab5bfba7d6cc74f2cd8f8d83f537c36e23a1bf87a2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "944e9de93f40fb80624cfe9cb31dbafe1539af56660c0082b7901fbfdb9020fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2014-09-21T14:47:39Z",
    "title_canon_sha256": "3d5873d929d357efbd1b09e37416de26175ab69fc286c617466552f5c5c831ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5991",
    "kind": "arxiv",
    "version": 1
  }
}