Pith Number

pith:7X4PJB4P

pith:2020:7X4PJB4P7EASGFE6AKO32PO6LH

not attested not anchored not stored refs pending

Quantum walk-based portfolio optimisation

E. Matwiejew, J. B. Wang, N. Slate, S. Marsh

arxiv:2011.08057 v3 · 2020-11-16 · 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{7X4PJB4P7EASGFE6AKO32PO6LH}

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	2026-07-05T03:01:21.988683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdf8f4878ff90123149e029dbd3dde59d9af0d9e1b37297440934418d40ba084

Aliases

arxiv: 2011.08057 · arxiv_version: 2011.08057v3 · doi: 10.48550/arxiv.2011.08057 · pith_short_12: 7X4PJB4P7EAS · pith_short_16: 7X4PJB4P7EASGFE6 · pith_short_8: 7X4PJB4P

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/7X4PJB4P7EASGFE6AKO32PO6LH \
  | 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: fdf8f4878ff90123149e029dbd3dde59d9af0d9e1b37297440934418d40ba084

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec65bc589714b024eb59a8d526766838b83f0bccfc1213d902d8f5aae07b4f00",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-11-16T16:11:33Z",
    "title_canon_sha256": "43572fb5d14cdd81e403ed99eaf6b6f361f3521e44f1cd4eb04a2f5ed17549cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.08057",
    "kind": "arxiv",
    "version": 3
  }
}