pith. sign in
Pith Number

pith:VJ22GHPE

pith:2013:VJ22GHPEWZ7QP4M5PJSRNRPDKI
not attested not anchored not stored refs pending

The spin gap in malachite Cu2(OH)2CO3 and its evolution under pressure

Alexander A. Tsirlin, Helge Rosner, Oleg Janson, Stefan Lebernegg

arxiv:1308.4866 v1 · 2013-08-22 · cond-mat.str-el

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{VJ22GHPEWZ7QP4M5PJSRNRPDKI}

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 2026-05-18T03:05:08.466048Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

aa75a31de4b67f07f19d7a6516c5e352066b1a239129d6eebdd798bb791da779

Aliases

arxiv: 1308.4866 · arxiv_version: 1308.4866v1 · doi: 10.48550/arxiv.1308.4866 · pith_short_12: VJ22GHPEWZ7Q · pith_short_16: VJ22GHPEWZ7QP4M5 · pith_short_8: VJ22GHPE
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/VJ22GHPEWZ7QP4M5PJSRNRPDKI \
  | 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: aa75a31de4b67f07f19d7a6516c5e352066b1a239129d6eebdd798bb791da779
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "fe2ed3c87dbdeacd4481fbc14421150af9651133b99548ff4a64eac83fce4ff4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-08-22T13:52:27Z",
    "title_canon_sha256": "f82ea127ed59bc12ea7d26b1c52c3014cbe36d8c350b259665f63f61d5e2fc85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.4866",
    "kind": "arxiv",
    "version": 1
  }
}