Pith Number

pith:IIH3PT7B

pith:2021:IIH3PT7BRR6BIL7VQ6YGGFQUWG

not attested not anchored not stored refs pending

Franchised Quantum Money

Bhaskar Roberts, Mark Zhandry

arxiv:2110.09733 v1 · 2021-10-19 · cs.CR · 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{IIH3PT7BRR6BIL7VQ6YGGFQUWG}

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	2026-07-05T03:23:58.431440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

420fb7cfe18c7c142ff587b0631614b188b72621ff0b6dd8cf4f5373a6c1b7f5

Aliases

arxiv: 2110.09733 · arxiv_version: 2110.09733v1 · doi: 10.48550/arxiv.2110.09733 · pith_short_12: IIH3PT7BRR6B · pith_short_16: IIH3PT7BRR6BIL7V · pith_short_8: IIH3PT7B

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/IIH3PT7BRR6BIL7VQ6YGGFQUWG \
  | 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: 420fb7cfe18c7c142ff587b0631614b188b72621ff0b6dd8cf4f5373a6c1b7f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4de8887d6d4de8fdbd26ea111e66130d93d535192f129150f2c745d91947857",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-10-19T05:00:28Z",
    "title_canon_sha256": "d82c870818586aeee4a7fb57d1195a3bb3652e197630a3224ff636c2e29d636c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.09733",
    "kind": "arxiv",
    "version": 1
  }
}