Pith Number

pith:6FH62TBP

pith:2021:6FH62TBPIRUTOWXFONXLJSTX5K

not attested not anchored not stored refs pending

Improved Polar-code-based Efficient Post-processing Algorithm for Quantum Key Distribution

Jin Li, Junbing Fang, Wen Lei, Xuan Wang, Yulin Wu, Zhengzhong Yi, Zhipeng Liang, Zoe Lin Jiang

arxiv:2112.10586 v1 · 2021-12-20 · 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{6FH62TBPIRUTOWXFONXLJSTX5K}

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	2026-07-05T03:42:16.975407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f14fed4c2f4469375ae5736eb4ca77ea92b8afbcf730f36b051f80e9123ef3c7

Aliases

arxiv: 2112.10586 · arxiv_version: 2112.10586v1 · doi: 10.48550/arxiv.2112.10586 · pith_short_12: 6FH62TBPIRUT · pith_short_16: 6FH62TBPIRUTOWXF · pith_short_8: 6FH62TBP

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/6FH62TBPIRUTOWXFONXLJSTX5K \
  | 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: f14fed4c2f4469375ae5736eb4ca77ea92b8afbcf730f36b051f80e9123ef3c7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f46a85980aab7b45fcae756c7fd962988d758870a5f856931a1a7614d2dab2fe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-12-20T15:03:29Z",
    "title_canon_sha256": "efba909fd6fe37812df14e5223d61b57151857b61291f218c81dcb71579d1864"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.10586",
    "kind": "arxiv",
    "version": 1
  }
}