Pith Number

pith:FZWX6DSB

pith:2009:FZWX6DSBYTR6S62OKY3FFGH6RC

not attested not anchored not stored refs pending

Breaking and making quantum money: toward a new quantum cryptographic protocol

Andrew Lutomirski, Avinatan Hassidim, David Gosset, Edward Farhi, Jonathan Kelner, Peter Shor, Scott Aaronson

arxiv:0912.3825 v1 · 2009-12-21 · 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{FZWX6DSBYTR6S62OKY3FFGH6RC}

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.

Cited by

1 paper in Pith

Quantum Vault: Secure Token Authentication Without Classical State Information Benchmarked on IBMQ

Receipt and verification

First computed	2026-05-18T04:23:34.359562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e6d7f0e41c4e3e97b4e56365298fe88aed9f61f8f5c9e9e54db12f9b9c33fed

Aliases

arxiv: 0912.3825 · arxiv_version: 0912.3825v1 · doi: 10.48550/arxiv.0912.3825 · pith_short_12: FZWX6DSBYTR6 · pith_short_16: FZWX6DSBYTR6S62O · pith_short_8: FZWX6DSB

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/FZWX6DSBYTR6S62OKY3FFGH6RC \
  | 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: 2e6d7f0e41c4e3e97b4e56365298fe88aed9f61f8f5c9e9e54db12f9b9c33fed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7061f810080bca5210327136213fdce646aa6e1a8d63a5e14e219b2e9775654f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2009-12-21T04:39:26Z",
    "title_canon_sha256": "7948005a581b3d83e37d030c1069b7965820cb7728c65fde1d0290ebc8fce741"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0912.3825",
    "kind": "arxiv",
    "version": 1
  }
}