Pith Number

pith:AYTSP53E

pith:2005:AYTSP53ESMZRKZNOKRBKEB7PHH

not attested not anchored not stored refs pending

Time-shift attack in practical quantum cryptosystems

Bing Qi, Chi-Hang Fred Fung, Hoi-Kwong Lo, Quantum Control, University of Toronto), Xiongfeng Ma (Center for Quantum Information

arxiv:quant-ph/0512080 v3 · 2005-12-10 · 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{AYTSP53ESMZRKZNOKRBKEB7PHH}

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.

Cited by

1 paper in Pith

Rigorous Security Proofs for Practical Quantum Key Distribution

Receipt and verification

First computed	2026-07-04T14:58:18.674512Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

062727f76493331565ae5442a207ef39c624ca393e5f6d10301ff33ed10b9d2a

Aliases

arxiv: quant-ph/0512080 · arxiv_version: quant-ph/0512080v3 · doi: 10.48550/arxiv.quant-ph/0512080 · pith_short_12: AYTSP53ESMZR · pith_short_16: AYTSP53ESMZRKZNO · pith_short_8: AYTSP53E

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/AYTSP53ESMZRKZNOKRBKEB7PHH \
  | 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: 062727f76493331565ae5442a207ef39c624ca393e5f6d10301ff33ed10b9d2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d44fed7e8266f40f104b693102e3d9c4d7417ca5e2033d4e34bdfc8787325e5b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2005-12-10T21:46:14Z",
    "title_canon_sha256": "e7593f7bf195ec019a59bb7d79dc12a012f360da92b81d99ca0a79aec14704a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0512080",
    "kind": "arxiv",
    "version": 3
  }
}