Pith Number

pith:4NVTJ3KV

pith:2004:4NVTJ3KVJTEWBCOZOPQFAIZOGV

not attested not anchored not stored refs pending

Hybrid noiseless subsystems for quantum communication over optical fibers

Jonathan L. Ball, Konrad Banaszek

arxiv:quant-ph/0410077 v1 · 2004-10-11 · 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{4NVTJ3KVJTEWBCOZOPQFAIZOGV}

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	2026-05-18T01:05:03.202955Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e36b34ed554cc96089d973e050232e356c234600a5ec4e76e8352e821d6cee6c

Aliases

arxiv: quant-ph/0410077 · arxiv_version: quant-ph/0410077v1 · doi: 10.48550/arxiv.quant-ph/0410077 · pith_short_12: 4NVTJ3KVJTEW · pith_short_16: 4NVTJ3KVJTEWBCOZ · pith_short_8: 4NVTJ3KV

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/4NVTJ3KVJTEWBCOZOPQFAIZOGV \
  | 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: e36b34ed554cc96089d973e050232e356c234600a5ec4e76e8352e821d6cee6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0fae2e815fe0d8cb7595aa46db098cb16c316fd8757bef016e6f2753e55c90ae",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-10-11T15:10:21Z",
    "title_canon_sha256": "d66af09ef2b0d298b87963b27e21d53af88aed04eba03a8cabc4e623459e7844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0410077",
    "kind": "arxiv",
    "version": 1
  }
}