Pith Number

pith:B7CAGXPX

pith:2018:B7CAGXPX6RADUWGVJ4VZEGPAWP

not attested not anchored not stored refs pending

10~Mb/s quantum key distribution

A. J. Shields, A. Murakami, A. Plews, A. R. Dixon, A. W. Sharpe, E. Lavelle, H. Sato, J. F. Dynes, K. Doi, M. Kujiraoka, M. Lucamarini, R. Takahashi, W. Tam, Y. Tanizawa, Z. L. Yuan

arxiv:1807.04484 v1 · 2018-07-12 · 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{B7CAGXPX6RADUWGVJ4VZEGPAWP}

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	2026-05-18T00:10:53.323965Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0fc4035df7f4403a58d54f2b9219e0b3d9ebcac2b491423b7fa82cd37a31ea52

Aliases

arxiv: 1807.04484 · arxiv_version: 1807.04484v1 · doi: 10.48550/arxiv.1807.04484 · pith_short_12: B7CAGXPX6RAD · pith_short_16: B7CAGXPX6RADUWGV · pith_short_8: B7CAGXPX

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/B7CAGXPX6RADUWGVJ4VZEGPAWP \
  | 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: 0fc4035df7f4403a58d54f2b9219e0b3d9ebcac2b491423b7fa82cd37a31ea52

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90f015b6e9f5feb26f491a9a509cd24e45fe664df7758010a3437128e8b59a2a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-07-12T09:02:05Z",
    "title_canon_sha256": "f80df02a10c1a142250b65cafe11bd26c712614cbc7da8aecb48fcb367ce7cdd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.04484",
    "kind": "arxiv",
    "version": 1
  }
}