Pith Number

pith:QWYTD4XA

pith:2022:QWYTD4XASNWRMFSBEQG2QXKMCE

not attested not anchored not stored refs pending

Hyper-optimized approximate contraction of tensor networks with arbitrary geometry

Garnet Kin-Lic Chan, Johnnie Gray

arxiv:2206.07044 v2 · 2022-06-14 · quant-ph · cond-mat.stat-mech · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWYTD4XASNWRMFSBEQG2QXKMCE}

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

Tensor-network decoders for process tensor descriptions of non-Markovian noise

Receipt and verification

First computed	2026-07-05T07:38:06.824549Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85b131f2e0936d161641240da85d4c110b7f8ccc9091f59adec5d97cc0f785ed

Aliases

arxiv: 2206.07044 · arxiv_version: 2206.07044v2 · doi: 10.48550/arxiv.2206.07044 · pith_short_12: QWYTD4XASNWR · pith_short_16: QWYTD4XASNWRMFSB · pith_short_8: QWYTD4XA

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/QWYTD4XASNWRMFSBEQG2QXKMCE \
  | 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: 85b131f2e0936d161641240da85d4c110b7f8ccc9091f59adec5d97cc0f785ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70950ad9f5811900f343313660e477b48f850d54519cce630d8f140df50770f3",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2022-06-14T17:59:16Z",
    "title_canon_sha256": "5755deb0d5d4db5f6876202a3b124b1a66c9ca20c1b54e0ed2dbd0bac0bd962c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.07044",
    "kind": "arxiv",
    "version": 2
  }
}