Pith Number

pith:Q3HE7FL7

pith:2004:Q3HE7FL7IMV67L6A27M6HH3FJB

not attested not anchored not stored refs pending

Distributed quantum dense coding

Aditi Sen De, Chiara Macchiavello, Dagmar Bruss, Giacomo Mauro D'Ariano, Maciej Lewenstein, Ujjwal Sen

arxiv:quant-ph/0407037 v3 · 2004-07-05 · 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{Q3HE7FL7IMV67L6A27M6HH3FJB}

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	2026-07-04T16:01:56.495033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86ce4f957f432befafc0d7d9e39f65485a4e0942821e3e70a29912adc4db6e0d

Aliases

arxiv: quant-ph/0407037 · arxiv_version: quant-ph/0407037v3 · doi: 10.48550/arxiv.quant-ph/0407037 · pith_short_12: Q3HE7FL7IMV6 · pith_short_16: Q3HE7FL7IMV67L6A · pith_short_8: Q3HE7FL7

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/Q3HE7FL7IMV67L6A27M6HH3FJB \
  | 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: 86ce4f957f432befafc0d7d9e39f65485a4e0942821e3e70a29912adc4db6e0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a60019c28ead628d3fa9614624dc293f1bb6ae342af4db0d9649c3fb618e34f",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "quant-ph",
    "submitted_at": "2004-07-05T18:31:32Z",
    "title_canon_sha256": "005de385e4e63f983c88e3d27f9dc8973c253cacfa8c268d19f58b955796c923"
  },
  "schema_version": "1.0",
  "source": {
    "id": "quant-ph/0407037",
    "kind": "arxiv",
    "version": 3
  }
}