Pith Number

pith:4SDTV4L5

pith:2019:4SDTV4L5RGOXPX5JGR6U2VUJZH

not attested not anchored not stored refs pending

Entanglement Classification via Neural Network Quantum States

Alessandro Ferraro, Cillian Harney, Mauro Paternostro, Stefano Pirandola

arxiv:1912.13207 v1 · 2019-12-31 · quant-ph · cond-mat.dis-nn · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4SDTV4L5RGOXPX5JGR6U2VUJZH}

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	2026-07-05T01:12:33.091850Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e4873af17d899d77dfa9347d4d5689c9e71ebc044d13934279eae7b5a1b806e6

Aliases

arxiv: 1912.13207 · arxiv_version: 1912.13207v1 · doi: 10.48550/arxiv.1912.13207 · pith_short_12: 4SDTV4L5RGOX · pith_short_16: 4SDTV4L5RGOXPX5J · pith_short_8: 4SDTV4L5

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/4SDTV4L5RGOXPX5JGR6U2VUJZH \
  | 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: e4873af17d899d77dfa9347d4d5689c9e71ebc044d13934279eae7b5a1b806e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f7fc3d629ac34bea2f1184fe9b9258bda182dfeaecf4242955373724a932b784",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2019-12-31T07:40:23Z",
    "title_canon_sha256": "6bb48375591db0e8990bef5ac27bee307adeb168dfca27a6c8622863cc1423e5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1912.13207",
    "kind": "arxiv",
    "version": 1
  }
}