Pith Number

pith:4XKMLWVH

pith:2017:4XKMLWVHZW5N3KKQMW2KDU62ZZ

not attested not anchored not stored refs pending

A cost-effective measurement-device-independent quantum key distribution system for quantum networks

Caleb John, Daniel Oblak, Francesco Marsili, Matthew D. Shaw, Qiang Zhou, Raju Valivarthi, Sae Woo Nam, Varun B. Verma, Wolfgang Tittel

arxiv:1702.05155 v1 · 2017-02-16 · 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{4XKMLWVHZW5N3KKQMW2KDU62ZZ}

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	2026-05-18T00:50:34.677904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5d4c5daa7cdbadda95065b4a1d3dace4c064f01b214b266cc66d99a2668785f

Aliases

arxiv: 1702.05155 · arxiv_version: 1702.05155v1 · doi: 10.48550/arxiv.1702.05155 · pith_short_12: 4XKMLWVHZW5N · pith_short_16: 4XKMLWVHZW5N3KKQ · pith_short_8: 4XKMLWVH

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/4XKMLWVHZW5N3KKQMW2KDU62ZZ \
  | 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: e5d4c5daa7cdbadda95065b4a1d3dace4c064f01b214b266cc66d99a2668785f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab61490e3039dc0f6da37962149bddcba1ad911af2604a67b23714d63ecad8ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2017-02-16T21:09:14Z",
    "title_canon_sha256": "19782be49d7907e27a9226007e17f5bced0bfb0be5da4d95fb422ee7e552a8d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1702.05155",
    "kind": "arxiv",
    "version": 1
  }
}