Pith Number

pith:W4NUWM6H

pith:2004:W4NUWM6H5VYDPVQNHVCE5ZO5QD

not attested not anchored not stored refs pending

Quantum key distribution with 1.25 Gbps clock synchronization

A. J. Gross, A. Mink, A. Nakassis, B. J. Hershman, Carl J. Williams, Charles W Clark, D. H. Su, E. W. Hagley, J. C. Bienfang, Jesse Wen, R. Lu, X. Tang

arxiv:quant-ph/0405097 v1 · 2004-05-17 · 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{W4NUWM6H5VYDPVQNHVCE5ZO5QD}

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	2026-07-04T16:50:17.801037Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b71b4b33c7ed7037d60d3d444ee5dd80ff822ed0a3905abb8b2cca162e2a5705

Aliases

arxiv: quant-ph/0405097 · arxiv_version: quant-ph/0405097v1 · doi: 10.48550/arxiv.quant-ph/0405097 · pith_short_12: W4NUWM6H5VYD · pith_short_16: W4NUWM6H5VYDPVQN · pith_short_8: W4NUWM6H

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/W4NUWM6H5VYDPVQNHVCE5ZO5QD \
  | 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: b71b4b33c7ed7037d60d3d444ee5dd80ff822ed0a3905abb8b2cca162e2a5705

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24a295894779f042b7c293fc7a18f3e0317822cfd1ff85f204548f1dd302afd2",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-05-17T22:03:47Z",
    "title_canon_sha256": "043ff945077b9fe8b45a3564a0358b788d88004f236d5a29e3598d7524208c8e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0405097",
    "kind": "arxiv",
    "version": 1
  }
}