Pith Number

pith:GEUC6KIS

pith:2019:GEUC6KISOCHBYTC3F62I7HJUYX

not attested not anchored not stored refs pending

Continuous-variable measurement-device-independent quantum key distribution via quantum catalysis

Hai Zhong, Liyun Hu, Wei Ye, Xiaodong Wu, Ying Guo

arxiv:1907.03383 v2 · 2019-07-08 · 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{GEUC6KISOCHBYTC3F62I7HJUYX}

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	2026-05-17T23:40:23.035305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31282f2912708e1c4c5b2fb48f9d34c5e183c76c4298c95df7cdcea9169d9e8e

Aliases

arxiv: 1907.03383 · arxiv_version: 1907.03383v2 · doi: 10.48550/arxiv.1907.03383 · pith_short_12: GEUC6KISOCHB · pith_short_16: GEUC6KISOCHBYTC3 · pith_short_8: GEUC6KIS

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/GEUC6KISOCHBYTC3F62I7HJUYX \
  | 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: 31282f2912708e1c4c5b2fb48f9d34c5e183c76c4298c95df7cdcea9169d9e8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17d76e5fdfb1aedf4339b303ca91789724b424d09e051c8f7d29a678dd5818e2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-07-08T02:05:55Z",
    "title_canon_sha256": "2559a047fcdd6aa2d3ae9eb5bac5daf3d6dc705bf272f097cd9273938389e88e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.03383",
    "kind": "arxiv",
    "version": 2
  }
}