pith. sign in
Pith Number

pith:URO5BKRY

pith:2012:URO5BKRYW4GTSVQEETBL36AGR2
not attested not anchored not stored refs pending

Superconductivity in Yb$_x$($Me$)$_y$HfNCl ($Me$ = NH$_3$ and THF)

Aifeng Wang, Guojun Ye, Jianjun Ying, Peng Cheng, Xianhui Chen, Xigang Luo, Yajun Yan, Ziji Xiang

arxiv:1207.2073 v1 · 2012-07-09 · cond-mat.supr-con

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{URO5BKRYW4GTSVQEETBL36AGR2}

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 2026-05-18T03:23:03.855491Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a45dd0aa38b70d39560424c2bdf8068ea3b0a7da4366ca52b12a4e469ce3df29

Aliases

arxiv: 1207.2073 · arxiv_version: 1207.2073v1 · doi: 10.48550/arxiv.1207.2073 · pith_short_12: URO5BKRYW4GT · pith_short_16: URO5BKRYW4GTSVQE · pith_short_8: URO5BKRY
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/URO5BKRYW4GTSVQEETBL36AGR2 \
  | 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: a45dd0aa38b70d39560424c2bdf8068ea3b0a7da4366ca52b12a4e469ce3df29
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "cb6967406207ef57f4761480db325661cf14509c346160d41198c2468bf47860",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2012-07-09T15:15:23Z",
    "title_canon_sha256": "d922e307cb7df59eab94e879b8306954e4f55caa5fcf93b3c26578c7c5b74152"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.2073",
    "kind": "arxiv",
    "version": 1
  }
}