Pith Number

pith:VGNKCOMX

pith:2017:VGNKCOMXC5TGYSAKAKGNGAWAX7

not attested not anchored not stored refs pending

Matrix Product Unitaries: Structure, Symmetries, and Topological Invariants

David Perez-Garcia, Frank Verstraete, J. Ignacio Cirac, Norbert Schuch

arxiv:1703.09188 v2 · 2017-03-27 · cond-mat.str-el · quant-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{VGNKCOMXC5TGYSAKAKGNGAWAX7}

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	2026-05-18T00:37:52.559537Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a99aa1399717666c480a028cd302c0bfea655ab62a16fc965f9120e30159bfc5

Aliases

arxiv: 1703.09188 · arxiv_version: 1703.09188v2 · doi: 10.48550/arxiv.1703.09188 · pith_short_12: VGNKCOMXC5TG · pith_short_16: VGNKCOMXC5TGYSAK · pith_short_8: VGNKCOMX

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/VGNKCOMXC5TGYSAKAKGNGAWAX7 \
  | 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: a99aa1399717666c480a028cd302c0bfea655ab62a16fc965f9120e30159bfc5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1162f5966b4b4f20723adbcfbbffca137b844368e57b3ecc166735c294edce83",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2017-03-27T17:11:15Z",
    "title_canon_sha256": "8ad9e2448c209aad27148ca29968f36dda7554561e428242b367e2fca1082c19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.09188",
    "kind": "arxiv",
    "version": 2
  }
}