Pith Number

pith:T5BQZWAW

pith:2008:T5BQZWAWCEBGLTSGVHEAAJ2QV6

not attested not anchored not stored refs pending

The computational difficulty of finding MPS ground states

Frank Verstraete, Ignacio Cirac, Norbert Schuch

arxiv:0802.3351 v2 · 2008-02-22 · 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{T5BQZWAWCEBGLTSGVHEAAJ2QV6}

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

Optimizing Tensor Network Partitioning using Simulated Annealing

Receipt and verification

First computed	2026-07-04T17:09:26.421527Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f430cd816110265ce46a9c8002750af837f373bc66dfa19ff1ec3103c5a3bce

Aliases

arxiv: 0802.3351 · arxiv_version: 0802.3351v2 · doi: 10.48550/arxiv.0802.3351 · pith_short_12: T5BQZWAWCEBG · pith_short_16: T5BQZWAWCEBGLTSG · pith_short_8: T5BQZWAW

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/T5BQZWAWCEBGLTSGVHEAAJ2QV6 \
  | 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: 9f430cd816110265ce46a9c8002750af837f373bc66dfa19ff1ec3103c5a3bce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "88037f04dea530b51decde1579291c69a3d21559b07236acd8e0c10a15aeacae",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2008-02-22T17:24:01Z",
    "title_canon_sha256": "24037d8dbc1248ef243437fd4e8cfacdf1b21a8a08920bd7db13ac04ca08da6b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0802.3351",
    "kind": "arxiv",
    "version": 2
  }
}