Pith Number

pith:VPLVQUCR

pith:2016:VPLVQUCRKMAPSMIKLFWDWNRNGT

not attested not anchored not stored refs pending

A quantum-inspired algorithm for estimating the permanent of positive semidefinite matrices

L. Chakhmakhchyan, N. J. Cerf, R. Garcia-Patron

arxiv:1609.02416 v3 · 2016-09-08 · 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{VPLVQUCRKMAPSMIKLFWDWNRNGT}

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	2026-05-18T00:36:15.409576Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

abd75850515300f9310a596c3b362d34e680b3bebcb7e5108e0b5b7737229746

Aliases

arxiv: 1609.02416 · arxiv_version: 1609.02416v3 · doi: 10.48550/arxiv.1609.02416 · pith_short_12: VPLVQUCRKMAP · pith_short_16: VPLVQUCRKMAPSMIK · pith_short_8: VPLVQUCR

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/VPLVQUCRKMAPSMIKLFWDWNRNGT \
  | 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: abd75850515300f9310a596c3b362d34e680b3bebcb7e5108e0b5b7737229746

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c6661dc43b3d6806aa4307e0427a0422da57b71d087361d3057dd9de2c1e348",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-09-08T13:25:11Z",
    "title_canon_sha256": "0d85412f31042c7a43aa610af0cb11f8d5efaf5eed64c9d3c5fe2dae7c2781f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.02416",
    "kind": "arxiv",
    "version": 3
  }
}