Pith Number

pith:POI34H5K

pith:2013:POI34H5KQU2PRFUEVI4TCEXOQL

not attested not anchored not stored refs pending

Security flaw of counterfactual quantum cryptography in practical setting

Qiao-Yan Wen, Yan-Bing Li, Zi-Chen Li

arxiv:1312.1436 v5 · 2013-12-05 · 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{POI34H5KQU2PRFUEVI4TCEXOQL}

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	2026-05-18T02:53:07.713863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b91be1faa8534f89684aa393112ee82e857a1e94edcfa94a1b66163bdbcd07e

Aliases

arxiv: 1312.1436 · arxiv_version: 1312.1436v5 · doi: 10.48550/arxiv.1312.1436 · pith_short_12: POI34H5KQU2P · pith_short_16: POI34H5KQU2PRFUE · pith_short_8: POI34H5K

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/POI34H5KQU2PRFUEVI4TCEXOQL \
  | 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: 7b91be1faa8534f89684aa393112ee82e857a1e94edcfa94a1b66163bdbcd07e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1903e24ab97cff55e90a8ecf35ba1750752366d25ebcf422c8f8778f74cd91f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-12-05T05:12:06Z",
    "title_canon_sha256": "27165e9cdc4cccc26d0c6f09c3d398ae873a06d860a61717127c0162b0cf601d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1436",
    "kind": "arxiv",
    "version": 5
  }
}