Pith. sign in
Pith Number

pith:EF523N6S

pith:2026:EF523N6STEZ3AP3ZXVLE3HYL6B
not attested not anchored not stored refs pending

Sixteen-State Energy Mapping for First-Principles Four-Spin Ring Exchange: Validation on $La_2CuO_4$ and $SrFeO_2$

Peter Blaha, Xavier Rocquefelte

arxiv:2607.18986 v1 · 2026-07-21 · cond-mat.mtrl-sci · cond-mat.str-el · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{EF523N6STEZ3AP3ZXVLE3HYL6B}

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 2026-07-22T01:24:03.006215Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

217badb7d29933b03f79bd564d9f0bf05e767544dca8935941978bc362f50aa1

Aliases

arxiv: 2607.18986 · arxiv_version: 2607.18986v1 · doi: 10.48550/arxiv.2607.18986 · pith_short_12: EF523N6STEZ3 · pith_short_16: EF523N6STEZ3AP3Z · pith_short_8: EF523N6S
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/EF523N6STEZ3AP3ZXVLE3HYL6B \
  | 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: 217badb7d29933b03f79bd564d9f0bf05e767544dca8935941978bc362f50aa1
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "313abc6781c927479a508764662ec43bb0a501bd162161227834f91c4d5053cb",
    "cross_cats_sorted": [
      "cond-mat.str-el",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2026-07-21T11:19:52Z",
    "title_canon_sha256": "d73c1c0b11890893027ec7deeafea777c28f6efc4fe2734da68c6a89faed19aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.18986",
    "kind": "arxiv",
    "version": 1
  }
}