Pith Number

pith:HAU4SKUD

pith:2007:HAU4SKUD3H2MRKPEJK7R3RUVNH

not attested not anchored not stored refs pending

Energy-level ordering and ground-state quantum numbers for frustrated two-leg spin-1/2 ladder model

Tigran Hakobyan

arxiv:cond-mat/0702148 v4 · 2007-02-06 · cond-mat.str-el · 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{HAU4SKUD3H2MRKPEJK7R3RUVNH}

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	2026-07-04T15:02:31.285801Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3829c92a83d9f4c8a9e44abf1dc69569c46414ef73200021fbcb4fdb87766103

Aliases

arxiv: cond-mat/0702148 · arxiv_version: cond-mat/0702148v4 · doi: 10.48550/arxiv.cond-mat/0702148 · pith_short_12: HAU4SKUD3H2M · pith_short_16: HAU4SKUD3H2MRKPE · pith_short_8: HAU4SKUD

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/HAU4SKUD3H2MRKPEJK7R3RUVNH \
  | 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: 3829c92a83d9f4c8a9e44abf1dc69569c46414ef73200021fbcb4fdb87766103

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81682a05d81e79d66e0afa2ff8e7dcc071395a4d3a245c09fbf363873a625223",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2007-02-06T16:09:58Z",
    "title_canon_sha256": "edbe5d7bc2e8efa9e67eb4d3051669314e25e2e9e4bc803db48b296d38d81e4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0702148",
    "kind": "arxiv",
    "version": 4
  }
}