Pith Number

pith:W4YMDMXL

pith:2021:W4YMDMXL27EJL562LZCQLPNEMH

not attested not anchored not stored refs pending

Progress toward favorable landscapes in quantum combinatorial optimization

Alicia B. Magann, Christian Arenz, Herschel A. Rabitz, Juneseo Lee

arxiv:2105.01114 v3 · 2021-05-03 · 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{W4YMDMXL27EJL562LZCQLPNEMH}

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	2026-07-05T03:12:04.054286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b730c1b2ebd7c895f7da5e4505bda461c9fac1d7c01e4880bfe6d2781bd2a643

Aliases

arxiv: 2105.01114 · arxiv_version: 2105.01114v3 · doi: 10.48550/arxiv.2105.01114 · pith_short_12: W4YMDMXL27EJ · pith_short_16: W4YMDMXL27EJL562 · pith_short_8: W4YMDMXL

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/W4YMDMXL27EJL562LZCQLPNEMH \
  | 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: b730c1b2ebd7c895f7da5e4505bda461c9fac1d7c01e4880bfe6d2781bd2a643

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc0aa2028e2289b47b9b45bc09cace33133a621d841d6c179ae32d15eace6191",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2021-05-03T18:38:53Z",
    "title_canon_sha256": "5fbf2838dfdca1d703eed9dea06dac9551857ba3f13aa083b0d6ec114e4d3b11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.01114",
    "kind": "arxiv",
    "version": 3
  }
}