Pith Number

pith:PGH6PFRR

pith:2020:PGH6PFRRGS7LEPMXXM6LXWUMBA

not attested not anchored not stored refs pending

Learning models of quantum systems from experiments

Anthony Laing, Antonio A. Gentile, Brian Flynn, Christopher E. Granade, John G. Rarity, Nathan Wiebe, Raffaele Santagati, Sebastian Knauer, Stefano Paesani

arxiv:2002.06169 v1 · 2020-02-14 · 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{PGH6PFRRGS7LEPMXXM6LXWUMBA}

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	2026-07-05T03:02:37.402261Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

798fe7963134beb23d97bb3cbbda8c0817fc34179dbe378a65cfce9b8a3554c5

Aliases

arxiv: 2002.06169 · arxiv_version: 2002.06169v1 · doi: 10.48550/arxiv.2002.06169 · pith_short_12: PGH6PFRRGS7L · pith_short_16: PGH6PFRRGS7LEPMX · pith_short_8: PGH6PFRR

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/PGH6PFRRGS7LEPMXXM6LXWUMBA \
  | 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: 798fe7963134beb23d97bb3cbbda8c0817fc34179dbe378a65cfce9b8a3554c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b68cadd2f98571e6da5a7234454714de315b310a7e03a356123bb4ddf619c181",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-02-14T18:37:50Z",
    "title_canon_sha256": "b99117782e60c3ae2b0ffda51904c3e78791a248af9862a7358c27229dc6890a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.06169",
    "kind": "arxiv",
    "version": 1
  }
}