Pith Number

pith:RZ65X6TE

pith:2019:RZ65X6TEJOBSSYR3DHHSBPPZ34

not attested not anchored not stored refs pending

Quantum Blackjack or Can MIT Bring Down the House Again?

Anand V. Natarajan, Aram W. Harrow, Joseph A. Formaggio, Joseph X. Lin

arxiv:1908.09417 v1 · 2019-08-26 · 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{RZ65X6TEJOBSSYR3DHHSBPPZ34}

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	2026-07-05T01:23:09.266913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e7ddbfa644b8329623b19cf20bdf9df2f44983801cda0eb2b011ed88e3c6280

Aliases

arxiv: 1908.09417 · arxiv_version: 1908.09417v1 · doi: 10.48550/arxiv.1908.09417 · pith_short_12: RZ65X6TEJOBS · pith_short_16: RZ65X6TEJOBSSYR3 · pith_short_8: RZ65X6TE

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/RZ65X6TEJOBSSYR3DHHSBPPZ34 \
  | 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: 8e7ddbfa644b8329623b19cf20bdf9df2f44983801cda0eb2b011ed88e3c6280

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef9e21e27748e08dcb8af9d60ec3c0e78dfc1fce403dd9e1cc968a84fd01229a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-26T00:42:46Z",
    "title_canon_sha256": "bdec10282b8e08021e10654f07dc4cfd5ea612cbb649b4519946a7a16062087e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09417",
    "kind": "arxiv",
    "version": 1
  }
}