Pith Number

pith:DDG6EYMX

pith:2016:DDG6EYMX6NBVQUK7KUKEYGZ42U

not attested not anchored not stored refs pending

Matrix product states for $su(2)$ invariant quantum spin chains

Andreas Fledderjohann, Andreas Kl\"umper, Rubina Zadourian

arxiv:1603.07769 v1 · 2016-03-24 · 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{DDG6EYMX6NBVQUK7KUKEYGZ42U}

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	2026-05-18T01:08:10.173340Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

18cde26197f34358515f55144c1b3cd52170842c616698e1d2a65645b68270a3

Aliases

arxiv: 1603.07769 · arxiv_version: 1603.07769v1 · doi: 10.48550/arxiv.1603.07769 · pith_short_12: DDG6EYMX6NBV · pith_short_16: DDG6EYMX6NBVQUK7 · pith_short_8: DDG6EYMX

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/DDG6EYMX6NBVQUK7KUKEYGZ42U \
  | 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: 18cde26197f34358515f55144c1b3cd52170842c616698e1d2a65645b68270a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37e26820ac835256f1fbe20c79d8c98cb6c055ebd56f7a9e7b7cfb498641ed4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2016-03-24T22:19:33Z",
    "title_canon_sha256": "77987bb86cc2dc27e06c7230763d661658888e36cd56bb6ff7276377f2ee3eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.07769",
    "kind": "arxiv",
    "version": 1
  }
}