Pith Number

pith:3CMY2O7I

pith:2025:3CMY2O7IK5JL2C32VQZE3BWEJP

not attested not anchored not stored refs pending

Highly Entangled Quantum Spin Chains on Fermat's Spiral

Olai B. Mykland, Zhao Zhang

arxiv:2506.02103 v4 · 2025-06-02 · quant-ph · cond-mat.stat-mech · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3CMY2O7IK5JL2C32VQZE3BWEJP}

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	2026-06-23T02:13:15.444785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8998d3be85752bd0b7aac324d86c44bf0aa786576e7a63848fc142431f5ddf3

Aliases

arxiv: 2506.02103 · arxiv_version: 2506.02103v4 · doi: 10.48550/arxiv.2506.02103 · pith_short_12: 3CMY2O7IK5JL · pith_short_16: 3CMY2O7IK5JL2C32 · pith_short_8: 3CMY2O7I

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/3CMY2O7IK5JL2C32VQZE3BWEJP \
  | 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: d8998d3be85752bd0b7aac324d86c44bf0aa786576e7a63848fc142431f5ddf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6f04f9f5a38ebb53d19e153046e79195dba67d84dc4ba95dfacac5df34ee216",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "math-ph",
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-06-02T18:00:00Z",
    "title_canon_sha256": "7ce23a4d4856d0d90ebcfaedc8cf59bb32777a8abcef2d94cda740490edde154"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.02103",
    "kind": "arxiv",
    "version": 4
  }
}