Pith Number

pith:OKCAU4NB

pith:2026:OKCAU4NBMISKANAUMD7TC6K4FB

not attested not anchored not stored refs pending

Successes and challenges of using Semidefinite Programming for the study of Spin Chain Hamiltonians

David Berenstein, P. N. Thomas Lloyd

arxiv:2606.02013 v1 · 2026-06-01 · hep-th · cond-mat.str-el · hep-lat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OKCAU4NBMISKANAUMD7TC6K4FB}

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	2026-06-02T02:05:03.522129Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72840a71a16224a0341460ff31795c284ac25cc3c68367f47ac57dceedef9ccc

Aliases

arxiv: 2606.02013 · arxiv_version: 2606.02013v1 · doi: 10.48550/arxiv.2606.02013 · pith_short_12: OKCAU4NBMISK · pith_short_16: OKCAU4NBMISKANAU · pith_short_8: OKCAU4NB

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/OKCAU4NBMISKANAUMD7TC6K4FB \
  | 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: 72840a71a16224a0341460ff31795c284ac25cc3c68367f47ac57dceedef9ccc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e6e8a50ace965eaf7d65fb7ef7e8f922013829d8608ce90f07f1439f80b7289",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "hep-lat"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2026-06-01T10:06:11Z",
    "title_canon_sha256": "d12544631a54a0436285b9c407bfdfbb0a4e3b84a1e4f6dd88636ba6c17d8bce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.02013",
    "kind": "arxiv",
    "version": 1
  }
}