Pith Number

pith:LB3QBXBW

pith:2015:LB3QBXBWOKBLPMTPFZSEYQLNMI

not attested not anchored not stored refs pending

Practical round-robin differential-phase-shift quantum key distribution

Xiao Yuan, Xiongfeng Ma, Zhen Zhang, Zhu Cao

arxiv:1505.02481 v2 · 2015-05-11 · 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{LB3QBXBWOKBLPMTPFZSEYQLNMI}

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	2026-05-18T00:47:33.992576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

587700dc367282b7b26f2e644c416d6232cd8a16125ff094aa2aa26389d32fd2

Aliases

arxiv: 1505.02481 · arxiv_version: 1505.02481v2 · doi: 10.48550/arxiv.1505.02481 · pith_short_12: LB3QBXBWOKBL · pith_short_16: LB3QBXBWOKBLPMTP · pith_short_8: LB3QBXBW

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/LB3QBXBWOKBLPMTPFZSEYQLNMI \
  | 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: 587700dc367282b7b26f2e644c416d6232cd8a16125ff094aa2aa26389d32fd2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17d0d4550458a0f6545a2b98368426fe0b21d2798fa0bd6c90fa0fcec43b6dfe",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-11T04:53:42Z",
    "title_canon_sha256": "3eeebf8dbfe636bda602878d6d831b7a586bdd153bbd688395d8d51baf7a0203"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02481",
    "kind": "arxiv",
    "version": 2
  }
}