Pith Number

pith:LWBUYB5Y

pith:2015:LWBUYB5YSTXVZFP4YK5QZDQNE5

not attested not anchored not stored refs pending

Practical Quantum Repeaters with Parametric Down-Conversion Sources

Christoph Simon, Hari Krovi, Joshua A. Slater, Saikat Guha, Wolfgang Tittel, Zachary Dutton

arxiv:1505.03470 v1 · 2015-05-13 · 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{LWBUYB5YSTXVZFP4YK5QZDQNE5}

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	2026-05-18T01:14:18.107361Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d834c07b894ef5c95fcc2bb0c8e0d276f424d867c85b842d2ded1cda594499e

Aliases

arxiv: 1505.03470 · arxiv_version: 1505.03470v1 · doi: 10.48550/arxiv.1505.03470 · pith_short_12: LWBUYB5YSTXV · pith_short_16: LWBUYB5YSTXVZFP4 · pith_short_8: LWBUYB5Y

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/LWBUYB5YSTXVZFP4YK5QZDQNE5 \
  | 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: 5d834c07b894ef5c95fcc2bb0c8e0d276f424d867c85b842d2ded1cda594499e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b91f99a06b82d12c2498872fed26e12f24dec567d51ef1d910a110f555c78e09",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2015-05-13T17:40:33Z",
    "title_canon_sha256": "6437cdd4ad342627b75516e5df27797ceb6a4fb6c97e8b559adc4f8ab2c128c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.03470",
    "kind": "arxiv",
    "version": 1
  }
}