Pith Number

pith:Q7ZALLOC

pith:2019:Q7ZALLOC72XAAGFNJ6L6XL75XM

not attested not anchored not stored refs pending

Semi-Quantum Money

Or Sattath, Roy Radian

arxiv:1908.08889 v6 · 2019-08-23 · quant-ph · cs.CR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q7ZALLOC72XAAGFNJ6L6XL75XM}

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

Practically feasible robust quantum money with classical verification

Receipt and verification

First computed	2026-07-05T01:44:08.174030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f205adc2feae0018ad4f97ebaffdbb1c4446744fa098d471d34cf4be6bb622

Aliases

arxiv: 1908.08889 · arxiv_version: 1908.08889v6 · doi: 10.48550/arxiv.1908.08889 · pith_short_12: Q7ZALLOC72XA · pith_short_16: Q7ZALLOC72XAAGFN · pith_short_8: Q7ZALLOC

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/Q7ZALLOC72XAAGFNJ6L6XL75XM \
  | 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: 87f205adc2feae0018ad4f97ebaffdbb1c4446744fa098d471d34cf4be6bb622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1a79802e8a1054072b895c0b965c7e2399b8e70884b0b5b14ff97c5d90c9dfa",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-08-23T16:15:11Z",
    "title_canon_sha256": "9e1695659bf3c8cdb3abee4124f0ec0ac70d1985171dd2fb4d6ad311639df5d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08889",
    "kind": "arxiv",
    "version": 6
  }
}