Pith Number

pith:ZDJXACW3

pith:2013:ZDJXACW3Y5BJ3PPLABH7JAZ3MB

not attested not anchored not stored refs pending

Long distance measurement-device-independent quantum key distribution with entangled photon sources

Bing Qi, Feihu Xu, Hoi-Kwong Lo, Zhongfa Liao

arxiv:1306.5814 v2 · 2013-06-24 · 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{ZDJXACW3Y5BJ3PPLABH7JAZ3MB}

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	2026-05-18T03:15:32.023973Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8d3700adbc7429dbdeb004ff4833b607b77cac229b629d34bdf6e17bb79f29b

Aliases

arxiv: 1306.5814 · arxiv_version: 1306.5814v2 · doi: 10.48550/arxiv.1306.5814 · pith_short_12: ZDJXACW3Y5BJ · pith_short_16: ZDJXACW3Y5BJ3PPL · pith_short_8: ZDJXACW3

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/ZDJXACW3Y5BJ3PPLABH7JAZ3MB \
  | 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: c8d3700adbc7429dbdeb004ff4833b607b77cac229b629d34bdf6e17bb79f29b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a887a26c3a2b55b346b13622c4aeb19cddc3f9355aeb25972205be2814378cb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-06-24T23:59:19Z",
    "title_canon_sha256": "516e07aac69c000ef9e1fd777b5e0b68ac01bd359406eca39ba4e36c92e4caf2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.5814",
    "kind": "arxiv",
    "version": 2
  }
}