Pith Number

pith:W22DQ7SE

pith:2010:W22DQ7SEVIQXYVUTZM5TFABDRW

not attested not anchored not stored refs pending

Passive scheme with a photon-number-resolving detector for monitoring the untrusted source in a plug-and-play quantum-key-distribution system

Bingjie Xu, Hong Guo, Xiang Peng

arxiv:1002.0196 v3 · 2010-02-01 · 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{W22DQ7SEVIQXYVUTZM5TFABDRW}

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	2026-05-18T04:39:40.490117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6b4387e44aa217c5693cb3b3280238da9fac87b9772abd92e1fa4081f703ab2

Aliases

arxiv: 1002.0196 · arxiv_version: 1002.0196v3 · doi: 10.48550/arxiv.1002.0196 · pith_short_12: W22DQ7SEVIQX · pith_short_16: W22DQ7SEVIQXYVUT · pith_short_8: W22DQ7SE

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/W22DQ7SEVIQXYVUTZM5TFABDRW \
  | 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: b6b4387e44aa217c5693cb3b3280238da9fac87b9772abd92e1fa4081f703ab2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39ef87f52e1a19a21526d23f82d7abafc22d3cb9f7b47cd06af49865a5618136",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2010-02-01T15:12:51Z",
    "title_canon_sha256": "5556cf4efd1a1578ada8520d822cb8ec202867ad8bfe4ab0560d2c95d9cdc441"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.0196",
    "kind": "arxiv",
    "version": 3
  }
}