Pith Number

pith:7UJ5VA5A

pith:2021:7UJ5VA5AK3XFEDT7SRLG6RVTYO

not attested not anchored not stored refs pending

Bulk superconductivity and Pauli paramagnetism in nearly stoichiometric CuCo$_2$S$_4$

Guang-han Cao, Liang-Wen Ji, Qin-Qing Zhu, Shi-Huai Sun, Yan-Wei Cui, Yu-Ying Jin, Zhi Ren

arxiv:2107.09848 v1 · 2021-07-21 · cond-mat.supr-con · cond-mat.mtrl-sci · 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{7UJ5VA5AK3XFEDT7SRLG6RVTYO}

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	2026-07-05T03:01:56.995928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd13da83a056ee520e7f94566f46b3c3bbaa67f9a4ca77275fdeaa6fe439645e

Aliases

arxiv: 2107.09848 · arxiv_version: 2107.09848v1 · doi: 10.48550/arxiv.2107.09848 · pith_short_12: 7UJ5VA5AK3XF · pith_short_16: 7UJ5VA5AK3XFEDT7 · pith_short_8: 7UJ5VA5A

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/7UJ5VA5AK3XFEDT7SRLG6RVTYO \
  | 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: fd13da83a056ee520e7f94566f46b3c3bbaa67f9a4ca77275fdeaa6fe439645e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79cf7acfcf55bd0c41e900a32f852bc539bc096a60b6c2b67a41c1012acb1e58",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2021-07-21T02:34:40Z",
    "title_canon_sha256": "d4d77d4ccaa98e30432ea90bbb67d51017f705554bae24540c5f82c927d26f98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.09848",
    "kind": "arxiv",
    "version": 1
  }
}