Pith Number

pith:C4UA5UT2

pith:2018:C4UA5UT2VLH3567MLCOM4V4Q2M

not attested not anchored not stored refs pending

Superconductivity in tantalum self-intercalated 4$Ha$-Ta$_{1.03}$Se$_2$

Hua Bai, Jiang Ma, Linjun Li, Mengmeng Wang, Qian Tao, Xiaohui Yang, Xikang Sun, Yupeng Li, Zhu-an Xu

arxiv:1801.09371 v1 · 2018-01-29 · cond-mat.supr-con

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4UA5UT2VLH3567MLCOM4V4Q2M}

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	2026-05-18T00:21:06.351432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

17280ed27aaacfbefbec589cce5790d328fef0efcea3c48744d464702dc2fbdd

Aliases

arxiv: 1801.09371 · arxiv_version: 1801.09371v1 · doi: 10.48550/arxiv.1801.09371 · pith_short_12: C4UA5UT2VLH3 · pith_short_16: C4UA5UT2VLH3567M · pith_short_8: C4UA5UT2

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/C4UA5UT2VLH3567MLCOM4V4Q2M \
  | 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: 17280ed27aaacfbefbec589cce5790d328fef0efcea3c48744d464702dc2fbdd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e81df1f46bca3690bfdd5234fb02f7d1b98044e3ac203a16e721a6426caeb73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2018-01-29T06:26:11Z",
    "title_canon_sha256": "1a4370083ad2b7e897625399383b227f52db150d30f0232af4b12e64e7e34920"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09371",
    "kind": "arxiv",
    "version": 1
  }
}