Pith Number

pith:MNLWKFDO

pith:2020:MNLWKFDO3UGQUC2E2EMPOKBIS7

not attested not anchored not stored refs pending

Classical Optimizers for Noisy Intermediate-Scale Quantum Devices

Ana Tudor, Costin Iancu, Juliane M\"uller, Wibe de Jong, Wim Lavrijsen

arxiv:2004.03004 v2 · 2020-04-06 · 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{MNLWKFDO3UGQUC2E2EMPOKBIS7}

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	2026-07-05T02:32:12.717805Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

635765146edd0d0a0b44d118f7282897d934f7d35d274cf9f5e0d09adf1d5524

Aliases

arxiv: 2004.03004 · arxiv_version: 2004.03004v2 · doi: 10.48550/arxiv.2004.03004 · pith_short_12: MNLWKFDO3UGQ · pith_short_16: MNLWKFDO3UGQUC2E · pith_short_8: MNLWKFDO

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/MNLWKFDO3UGQUC2E2EMPOKBIS7 \
  | 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: 635765146edd0d0a0b44d118f7282897d934f7d35d274cf9f5e0d09adf1d5524

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b952d29e00532a12c2b2886fad8fee606498ee1e1c2f8db842ad780ae0a4e431",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-04-06T21:31:22Z",
    "title_canon_sha256": "5d452c0c0bdab4c2c5583711910398202d9375c335a59da3f402c812f4bb2df2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.03004",
    "kind": "arxiv",
    "version": 2
  }
}