Pith Number

pith:HCLJS2UV

pith:2018:HCLJS2UVPTQGB3CV3KROX5UZ2H

not attested not anchored not stored refs pending

Efficient approximation for global functions of matrix product operators

Mari Carmen Banuls, Moritz August

arxiv:1804.03613 v2 · 2018-04-10 · quant-ph · cs.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HCLJS2UVPTQGB3CV3KROX5UZ2H}

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	2026-05-18T00:07:34.736033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3896996a957ce060ec55daa2ebf699d1d78cb952480cc83336e183275fb7064d

Aliases

arxiv: 1804.03613 · arxiv_version: 1804.03613v2 · doi: 10.48550/arxiv.1804.03613 · pith_short_12: HCLJS2UVPTQG · pith_short_16: HCLJS2UVPTQGB3CV · pith_short_8: HCLJS2UV

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/HCLJS2UVPTQGB3CV3KROX5UZ2H \
  | 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: 3896996a957ce060ec55daa2ebf699d1d78cb952480cc83336e183275fb7064d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e6fb53d6389d856509073a6826e648b85b79a9c561c085ecc565ad38499c210",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2018-04-10T16:11:20Z",
    "title_canon_sha256": "fe1f5486224378934a7afe5e851eddfa5ef897a6e1eb44f122aeb1cdce5f5670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.03613",
    "kind": "arxiv",
    "version": 2
  }
}