Pith Number

pith:IXK7HLJ3

pith:2021:IXK7HLJ37HP2QWAKYZIYJGXZMS

not attested not anchored not stored refs pending

A case study of variational quantum algorithms for a job shop scheduling problem

David Amaro, Koji Hirano, Matthias Rosenkranz, Mattia Fiorentini, Nathan Fitzpatrick

arxiv:2109.03745 v2 · 2021-09-08 · 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{IXK7HLJ37HP2QWAKYZIYJGXZMS}

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	2026-07-05T03:56:03.449252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45d5f3ad3bf9dfa8580ac651849af96495b65c4335de147578efca3b4115abec

Aliases

arxiv: 2109.03745 · arxiv_version: 2109.03745v2 · doi: 10.48550/arxiv.2109.03745 · pith_short_12: IXK7HLJ37HP2 · pith_short_16: IXK7HLJ37HP2QWAK · pith_short_8: IXK7HLJ3

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/IXK7HLJ37HP2QWAKYZIYJGXZMS \
  | 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: 45d5f3ad3bf9dfa8580ac651849af96495b65c4335de147578efca3b4115abec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "585c0e6373abe7e190a70416c6321c4ed63a46f638a2ef6a82643248e576cd97",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-09-08T16:05:50Z",
    "title_canon_sha256": "76028855b32e4c54ca7d08acb6d1e9312665188e9fea505d2c1f0eae0e723ea6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.03745",
    "kind": "arxiv",
    "version": 2
  }
}