Pith Number

pith:XWLXYGFX

pith:2021:XWLXYGFXH7MMLER7NCJHEQMR54

not attested not anchored not stored refs pending

Device-independent quantum key distribution with random postselection

Feihu Xu, Jian-Wei Pan, Qiang Zhang, Yu-Zhe Zhang

arxiv:2110.02701 v2 · 2021-10-06 · 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{XWLXYGFXH7MMLER7NCJHEQMR54}

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

Generalized measurement incompatibility

Receipt and verification

First computed	2026-07-05T04:06:45.546785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd977c18b73fd8c5923f6892724191ef0572da76059760e6c43cb32b61877949

Aliases

arxiv: 2110.02701 · arxiv_version: 2110.02701v2 · doi: 10.48550/arxiv.2110.02701 · pith_short_12: XWLXYGFXH7MM · pith_short_16: XWLXYGFXH7MMLER7 · pith_short_8: XWLXYGFX

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/XWLXYGFXH7MMLER7NCJHEQMR54 \
  | 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: bd977c18b73fd8c5923f6892724191ef0572da76059760e6c43cb32b61877949

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e651c45f87bbf2ca92716d5c045d9b4090443d2170f7afaa19cb465ba76f6e31",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-10-06T12:38:22Z",
    "title_canon_sha256": "6feb3f05eb9977224b1ba0d967a165b04d03442e47466f23e7feabbfd1dc15f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.02701",
    "kind": "arxiv",
    "version": 2
  }
}