Pith Number

pith:7ZPLJRWQ

pith:2021:7ZPLJRWQVJ7DP3ON7XXWZRKB2L

not attested not anchored not stored refs pending

Fast-Forwarding with NISQ Processors without Feedback Loop

Kian Hwee Lim, Kishor Bharti, Leong Chuan Kwek, Tobias Haug

arxiv:2104.01931 v3 · 2021-04-05 · 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{7ZPLJRWQVJ7DP3ON7XXWZRKB2L}

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	2026-07-05T04:00:01.884026Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe5eb4c6d0aa7e37edcdfdef6cc541d2ecdc2d1b23739b768b8d2d6c1fd342f3

Aliases

arxiv: 2104.01931 · arxiv_version: 2104.01931v3 · doi: 10.48550/arxiv.2104.01931 · pith_short_12: 7ZPLJRWQVJ7D · pith_short_16: 7ZPLJRWQVJ7DP3ON · pith_short_8: 7ZPLJRWQ

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/7ZPLJRWQVJ7DP3ON7XXWZRKB2L \
  | 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: fe5eb4c6d0aa7e37edcdfdef6cc541d2ecdc2d1b23739b768b8d2d6c1fd342f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2720c81211ff8c89aff1df84a773427d04127b81a11f984caea67a36990de656",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-04-05T14:29:33Z",
    "title_canon_sha256": "e3f78a539f01f172297e17bbeb14265361e02e2d7c1ea9d92c4c875411c43eb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.01931",
    "kind": "arxiv",
    "version": 3
  }
}