Pith Number

pith:CLWKBJE6

pith:2016:CLWKBJE6ZY5PVJZDNGJTKOP4XQ

not attested not anchored not stored refs pending

Quantum gradient descent and Newton's method for constrained polynomial optimization

Francesco Petruccione, Leonard Wossnig, Maria Schuld, Patrick Rebentrost, Seth Lloyd

arxiv:1612.01789 v4 · 2016-12-06 · 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{CLWKBJE6ZY5PVJZDNGJTKOP4XQ}

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.

Cited by

1 paper in Pith

Quantum Data Fitting Algorithm for Non-sparse Matrices

Receipt and verification

First computed	2026-05-18T00:07:55.720020Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

12eca0a49ece3afaa72369933539fcbc3b61be667352fa6252574926edecdaee

Aliases

arxiv: 1612.01789 · arxiv_version: 1612.01789v4 · doi: 10.48550/arxiv.1612.01789 · pith_short_12: CLWKBJE6ZY5P · pith_short_16: CLWKBJE6ZY5PVJZD · pith_short_8: CLWKBJE6

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/CLWKBJE6ZY5PVJZDNGJTKOP4XQ \
  | 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: 12eca0a49ece3afaa72369933539fcbc3b61be667352fa6252574926edecdaee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db344d781a6bde95a2066db2cc4939749f63d138accfb33f5fc89256cdeb2b0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2016-12-06T13:01:16Z",
    "title_canon_sha256": "08fcf2e33d7b21b46b227c6928733c5fe82073d3c21e3dba19c2dbcda8a4466e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.01789",
    "kind": "arxiv",
    "version": 4
  }
}