Pith Number

pith:BHPTT434

pith:2013:BHPTT4344XKTFJZTTIATFZLDDZ

not attested not anchored not stored refs pending

Phase-encoded measurement device independent quantum key distribution with practical spontaneous parametric-down-conversion sources

Chun Zhou, Hong-Wei Li, Wan-Su Bao, Wei Chen, Yang Wang, Zheng-Fu Han, Zhen-Qiang Yin

arxiv:1308.3347 v2 · 2013-08-15 · 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{BHPTT4344XKTFJZTTIATFZLDDZ}

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	2026-05-18T02:56:58.401932Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09df39f37ce5d532a7339a0132e5631e48c7543a40486674c1002bc81c839e91

Aliases

arxiv: 1308.3347 · arxiv_version: 1308.3347v2 · doi: 10.48550/arxiv.1308.3347 · pith_short_12: BHPTT4344XKT · pith_short_16: BHPTT4344XKTFJZT · pith_short_8: BHPTT434

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/BHPTT4344XKTFJZTTIATFZLDDZ \
  | 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: 09df39f37ce5d532a7339a0132e5631e48c7543a40486674c1002bc81c839e91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13da0c8b36e06cdcf1f3eb5df9ea385f976825cf71fbe8ece4ed5d118547b378",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-08-15T09:18:03Z",
    "title_canon_sha256": "c636f002f76f8d29744a37a8d1c9abf711f64a329aaf0adda9623cdda3bce05c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.3347",
    "kind": "arxiv",
    "version": 2
  }
}