Pith Number

pith:P5ULCNZ6

pith:2026:P5ULCNZ6VXWQRROKOXF2RJPHDN

not attested not anchored not stored refs pending

Ravines in quantum cost landscapes: opportunities for improved VQA predictions

Felix J. Beckmann, Jo\~ao F. Bravo

arxiv:2607.01329 v1 · 2026-07-01 · quant-ph · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P5ULCNZ6VXWQRROKOXF2RJPHDN}

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	2026-07-03T00:16:57.586337Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7f68b1373eaded08c5ca75cba8a5e71b6bcafec993bc7c5a0b6287270c18432c

Aliases

arxiv: 2607.01329 · arxiv_version: 2607.01329v1 · doi: 10.48550/arxiv.2607.01329 · pith_short_12: P5ULCNZ6VXWQ · pith_short_16: P5ULCNZ6VXWQRROK · pith_short_8: P5ULCNZ6

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/P5ULCNZ6VXWQRROKOXF2RJPHDN \
  | 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: 7f68b1373eaded08c5ca75cba8a5e71b6bcafec993bc7c5a0b6287270c18432c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b980faf528fe784b133a5ee76a2a6cd48a4e892b14d1f2f99e698a206514c1",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-01T18:00:04Z",
    "title_canon_sha256": "2a61c629eb344a82f63dad66ab6a75eba65185d69101aa71042f6f3b3abc23da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.01329",
    "kind": "arxiv",
    "version": 1
  }
}