Pith Number

pith:UDU64LJG

pith:2026:UDU64LJGTRALWCCWZOMEW6PAVA

not attested not anchored not stored refs pending

Halving the cost of QROM

Danial Motlagh, Matthew Pocrnic

arxiv:2605.20334 v1 · 2026-05-19 · 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{UDU64LJGTRALWCCWZOMEW6PAVA}

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	2026-05-21T00:04:25.656083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0e9ee2d269c40bb0856cb984b79e0a802ad376af28cee6a40569cc266829c42

Aliases

arxiv: 2605.20334 · arxiv_version: 2605.20334v1 · doi: 10.48550/arxiv.2605.20334 · pith_short_12: UDU64LJGTRAL · pith_short_16: UDU64LJGTRALWCCW · pith_short_8: UDU64LJG

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/UDU64LJGTRALWCCWZOMEW6PAVA \
  | 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: a0e9ee2d269c40bb0856cb984b79e0a802ad376af28cee6a40569cc266829c42

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c495634d0da75cdbc32d7aef12d6e1faabf475bef9645cc8fc53a14105d982b0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-05-19T18:00:04Z",
    "title_canon_sha256": "4dfa95daae7c25d034857fb7aebfa555205cdf948586f772f074450abfb10651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.20334",
    "kind": "arxiv",
    "version": 1
  }
}