Pith Number

pith:T4B4JZLE

pith:2019:T4B4JZLE2A2L5NNLRPS532QOJA

not attested not anchored not stored refs pending

Triplet excitations in the frustrated spin ladder Li$_2$Cu$_2$O(SO$_4$)$_2$

Andreas Honecker, Bj\"orn F{\aa}k, Guillaume Radtke, Gwena\"elle Rousse, Keevin B\'eneut, Ornella Vaccarelli, Paola Giura

arxiv:1902.02798 v1 · 2019-02-07 · 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{T4B4JZLE2A2L5NNLRPS532QOJA}

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	2026-05-17T23:53:55.463748Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f03c4e564d034beb5ab8be5ddea0e4834d40c8ca9d823c91371b65d38d400b3

Aliases

arxiv: 1902.02798 · arxiv_version: 1902.02798v1 · doi: 10.48550/arxiv.1902.02798 · pith_short_12: T4B4JZLE2A2L · pith_short_16: T4B4JZLE2A2L5NNL · pith_short_8: T4B4JZLE

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/T4B4JZLE2A2L5NNLRPS532QOJA \
  | 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: 9f03c4e564d034beb5ab8be5ddea0e4834d40c8ca9d823c91371b65d38d400b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b90b25ea9373f3e1aac9c08b42b977b7255314e37ea3574b6b124e1ab597f47d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2019-02-07T19:00:06Z",
    "title_canon_sha256": "e68becb55d41937b8c31ba995a77983473df007d1176820c738b2f17a69d716b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02798",
    "kind": "arxiv",
    "version": 1
  }
}