Pith Number

pith:SODYQVEP

pith:2021:SODYQVEPYAOVMWOQGFLEDRHQM2

not attested not anchored not stored refs pending

Superconductivity at 40 K in lithiation-processed [(Fe,Al)(OH)2][FeSe]1.2 with a layered structure

Changsheng Zhu, Fanghang Yu, Guobing Hu, Jianhua Cui, Mengzhu Shi, Weizhuang Zhuo, Wenxiang Wang, Xianhui Chen, Xigang Luo, Zeliang Sun

arxiv:2101.10641 v1 · 2021-01-26 · cond-mat.supr-con · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SODYQVEPYAOVMWOQGFLEDRHQM2}

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	2026-07-05T02:10:00.722215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

938788548fc01d5659d0315641c4f066b4ab1adbb4f08efdab01fce027422753

Aliases

arxiv: 2101.10641 · arxiv_version: 2101.10641v1 · doi: 10.48550/arxiv.2101.10641 · pith_short_12: SODYQVEPYAOV · pith_short_16: SODYQVEPYAOVMWOQ · pith_short_8: SODYQVEP

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/SODYQVEPYAOVMWOQGFLEDRHQM2 \
  | 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: 938788548fc01d5659d0315641c4f066b4ab1adbb4f08efdab01fce027422753

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3130a43f45a18bfed7d9b7498840c118b679be26c370ea802b00f886fc9926f",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2021-01-26T09:11:23Z",
    "title_canon_sha256": "9307ffca974cd153dbe60f8a188536558917e5b183ea88b73444df7633d9518a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2101.10641",
    "kind": "arxiv",
    "version": 1
  }
}