Pith Number

pith:SPCX4UCP

pith:2017:SPCX4UCPFBQB355UG3GQGUKCSZ

not attested not anchored not stored refs pending

Biased decoy-state reference-frame-independent quantum key distribution

Chun-Mei Zhang, Guang-Can Guo, Jian-Rong Zhu, Qin Wang

arxiv:1703.03951 v1 · 2017-03-11 · 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{SPCX4UCPFBQB355UG3GQGUKCSZ}

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	2026-05-18T00:28:02.387818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93c57e504f28601df7b436cd035142967ae36f03f62765dc11e466cb2b300cd5

Aliases

arxiv: 1703.03951 · arxiv_version: 1703.03951v1 · doi: 10.48550/arxiv.1703.03951 · pith_short_12: SPCX4UCPFBQB · pith_short_16: SPCX4UCPFBQB355U · pith_short_8: SPCX4UCP

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/SPCX4UCPFBQB355UG3GQGUKCSZ \
  | 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: 93c57e504f28601df7b436cd035142967ae36f03f62765dc11e466cb2b300cd5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fdfe4e79d1c1a1beae5a3c912803c0f2eceae6bcfdc3e1ef5df188fa39a059e1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-03-11T11:16:03Z",
    "title_canon_sha256": "4621587ed30dfa5407c9e263c2238f1221fc1bb2970964732f5c30de693670b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.03951",
    "kind": "arxiv",
    "version": 1
  }
}