Pith Number

pith:XOW7EUY5

pith:2019:XOW7EUY5NCYTL6WYJUBEXAYT2E

not attested not anchored not stored refs pending

Experimental demonstration of the DPTS QKD protocol over a 170 km fiber link

Beatrice Da Lio, Daniele Cozzolino, Davide Bacco, Karsten Rottwitt, Kjeld Dalgaard, Leif Oxenl{\o}we, Yunhong Ding

arxiv:1901.01768 v1 · 2019-01-07 · 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{XOW7EUY5NCYTL6WYJUBEXAYT2E}

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	2026-05-17T23:56:51.277232Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbadf2531d68b135fad84d024b8313d13d0b5bb3f9f6c38a013bdec6610aee9d

Aliases

arxiv: 1901.01768 · arxiv_version: 1901.01768v1 · doi: 10.48550/arxiv.1901.01768 · pith_short_12: XOW7EUY5NCYT · pith_short_16: XOW7EUY5NCYTL6WY · pith_short_8: XOW7EUY5

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/XOW7EUY5NCYTL6WYJUBEXAYT2E \
  | 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: bbadf2531d68b135fad84d024b8313d13d0b5bb3f9f6c38a013bdec6610aee9d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8aa3f98198194e0db887fc6b4be8659321143014464ac5745215f62d5974c63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-01-07T12:17:43Z",
    "title_canon_sha256": "c44795e4c7ce65092bb4c876051b5eae5bff5d6771d70c1f726b313d098f4fc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.01768",
    "kind": "arxiv",
    "version": 1
  }
}