Pith Number

pith:H32RCMIJ

pith:2025:H32RCMIJ5WSP7RZFOQAFEOY5JM

not attested not anchored not stored refs pending

Quantum dots for quantum repeaters

Joanna M Zajac, Sven Hofling, Tobias Huber-Loyola

arxiv:2503.13775 v2 · 2025-03-17 · 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{H32RCMIJ5WSP7RZFOQAFEOY5JM}

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	2026-07-05T11:01:33.266795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ef5113109eda4ffc7257400523b1d4b35d8f569fe1e4091694229a9ccfd7a61

Aliases

arxiv: 2503.13775 · arxiv_version: 2503.13775v2 · doi: 10.48550/arxiv.2503.13775 · pith_short_12: H32RCMIJ5WSP · pith_short_16: H32RCMIJ5WSP7RZF · pith_short_8: H32RCMIJ

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/H32RCMIJ5WSP7RZFOQAFEOY5JM \
  | 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: 3ef5113109eda4ffc7257400523b1d4b35d8f569fe1e4091694229a9ccfd7a61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef2eed39c193033a0d22550983006610117c1060afcc3c4a61bd2c743417c8eb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-03-17T23:44:16Z",
    "title_canon_sha256": "2da3965d776d401022cbbf0de95eea5d0419519c6c5ee7522d66b0239e30c6a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.13775",
    "kind": "arxiv",
    "version": 2
  }
}