Pith Number

pith:B2WIKBJQ

pith:2009:B2WIKBJQMRTWSGBBQQV33FQ635

not attested not anchored not stored refs pending

Simultaneous Dense Coding

Daowen Qiu, Haozhen Situ

arxiv:0909.3613 v1 · 2009-09-20 · 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{B2WIKBJQMRTWSGBBQQV33FQ635}

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	2026-05-18T02:11:46.096731Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0eac8505306467691821842bbd961edf6ad6173f082c25219000efa7febab000

Aliases

arxiv: 0909.3613 · arxiv_version: 0909.3613v1 · doi: 10.48550/arxiv.0909.3613 · pith_short_12: B2WIKBJQMRTW · pith_short_16: B2WIKBJQMRTWSGBB · pith_short_8: B2WIKBJQ

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/B2WIKBJQMRTWSGBBQQV33FQ635 \
  | 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: 0eac8505306467691821842bbd961edf6ad6173f082c25219000efa7febab000

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fd73370d7146d789a961ff3ae03f2cabf6077a7c9998278d7be6a346924d311",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-09-20T02:19:22Z",
    "title_canon_sha256": "13214d2b9f1eaf4411152f470cc171cff5fa2e53e393cb92972f48ed48c944c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0909.3613",
    "kind": "arxiv",
    "version": 1
  }
}