Pith Number

pith:2DOYHBO7

pith:2025:2DOYHBO7VFWPOCQBLZTGDINKM5

not attested not anchored not stored refs pending

Shallow-depth GHZ state generation on NISQ devices

Riccardo Roma, S. Siddardha Chelluri, Stephan Schuster, Sumeet

arxiv:2507.19145 v1 · 2025-07-25 · 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{2DOYHBO7VFWPOCQBLZTGDINKM5}

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	2026-07-05T11:43:20.372545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0dd8385dfa96cf70a015e6661a1aa675659d4ab7ab47b317a0b73ad2bf3eec7

Aliases

arxiv: 2507.19145 · arxiv_version: 2507.19145v1 · doi: 10.48550/arxiv.2507.19145 · pith_short_12: 2DOYHBO7VFWP · pith_short_16: 2DOYHBO7VFWPOCQB · pith_short_8: 2DOYHBO7

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/2DOYHBO7VFWPOCQBLZTGDINKM5 \
  | 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: d0dd8385dfa96cf70a015e6661a1aa675659d4ab7ab47b317a0b73ad2bf3eec7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "03d0bd4405d7168fda307c97f1aa8d35d8441422a7712d825591df439e6d0164",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-25T10:33:30Z",
    "title_canon_sha256": "78027bcaa041a3ce371896cf4cf7c2b2a90e54cee73364a90c98e8a13db270ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.19145",
    "kind": "arxiv",
    "version": 1
  }
}