Pith Number

pith:DGPQSZW4

pith:2026:DGPQSZW4GOI6CKMXYJKY6RWRV4

not attested not anchored not stored refs pending

Co-transmission of classical data and continuous-variable entanglement over a single quantum channel

Nicholas Zaunders, Timothy C. Ralph

arxiv:2607.25179 v1 · 2026-07-28 · 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{DGPQSZW4GOI6CKMXYJKY6RWRV4}

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	2026-07-29T00:25:07.143725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

199f0966dc3391e12997c2558f46d1af331ab14a0b20d0266d1dc3ce4b3f0beb

Aliases

arxiv: 2607.25179 · arxiv_version: 2607.25179v1 · doi: 10.48550/arxiv.2607.25179 · pith_short_12: DGPQSZW4GOI6 · pith_short_16: DGPQSZW4GOI6CKMX · pith_short_8: DGPQSZW4

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/DGPQSZW4GOI6CKMXYJKY6RWRV4 \
  | 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: 199f0966dc3391e12997c2558f46d1af331ab14a0b20d0266d1dc3ce4b3f0beb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b46dcc891426f9934e1a844321c5ce1bad70cf95ef75ab86816734feef4bb2cd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-28T01:11:38Z",
    "title_canon_sha256": "300ca781dd3bdb18f4655a7a609bc1d81bda55862b3249e7efa48b20f4654e0c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.25179",
    "kind": "arxiv",
    "version": 1
  }
}