Pith Number

pith:6FNPZI56

pith:2026:6FNPZI56DHKM5DCOFJZV4TNPL2

not attested not anchored not stored refs pending

Diagnosing quantum reservoirs at scale based on expressivity and coverage

Fernando Vilari\~no, Laia Domingo, Oriol Ball\'o-Gimbernat

arxiv:2607.09445 v1 · 2026-07-10 · 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{6FNPZI56DHKM5DCOFJZV4TNPL2}

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	2026-07-13T01:19:15.573972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f15afca3be19d4ce8c4e2a735e4daf5e878cb18eab8582adda9afecdbe3b470b

Aliases

arxiv: 2607.09445 · arxiv_version: 2607.09445v1 · doi: 10.48550/arxiv.2607.09445 · pith_short_12: 6FNPZI56DHKM · pith_short_16: 6FNPZI56DHKM5DCO · pith_short_8: 6FNPZI56

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/6FNPZI56DHKM5DCOFJZV4TNPL2 \
  | 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: f15afca3be19d4ce8c4e2a735e4daf5e878cb18eab8582adda9afecdbe3b470b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2315713d999eb0d27b456abe61f03e9f147246a51f473cb814d6996fe6781b5e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-07-10T14:16:13Z",
    "title_canon_sha256": "016c9ca36e6da68f31fd0c966674cb50fd1e02cf95415a1ce8a813016b8d75ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.09445",
    "kind": "arxiv",
    "version": 1
  }
}