Pith Number

pith:L3GZKMHC

pith:2020:L3GZKMHCATFDBT7KZ2IYDNMRJW

not attested not anchored not stored refs pending

Hyper-optimized tensor network contraction

Johnnie Gray, Stefanos Kourtis

arxiv:2002.01935 v4 · 2020-02-05 · quant-ph · cond-mat.dis-nn · physics.comp-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{L3GZKMHCATFDBT7KZ2IYDNMRJW}

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

Simulating quantum circuits with a neural statebank

Receipt and verification

First computed	2026-07-05T02:23:42.339897Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ecd9530e204ca30cfeace9181b5914d96367c2be2bfdc0c26f3c53b105d8c6c

Aliases

arxiv: 2002.01935 · arxiv_version: 2002.01935v4 · doi: 10.48550/arxiv.2002.01935 · pith_short_12: L3GZKMHCATFD · pith_short_16: L3GZKMHCATFDBT7K · pith_short_8: L3GZKMHC

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/L3GZKMHCATFDBT7KZ2IYDNMRJW \
  | 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: 5ecd9530e204ca30cfeace9181b5914d96367c2be2bfdc0c26f3c53b105d8c6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b851ea4b546e3818a36839f1dd1ecc5103220a41e5a043f9913fe5ca978c7f52",
    "cross_cats_sorted": [
      "cond-mat.dis-nn",
      "physics.comp-ph"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2020-02-05T19:00:00Z",
    "title_canon_sha256": "a3af23066b98538c7177b7ada0145d003b84e8f72407e154aa9d6a31dd177617"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01935",
    "kind": "arxiv",
    "version": 4
  }
}