Pith Number

pith:2N2IFYHW

pith:2021:2N2IFYHWFCUN4RKJX27G7ID7RR

not attested not anchored not stored refs pending

Superconductivity at 44.4 K achieved by intercalating EMIM+ into FeSe

Guanyu Chen, Hai-Hu Wen, Jinhua Wang, Qing Li, Wei Xie, Xiyu Zhu

arxiv:2107.06017 v1 · 2021-07-13 · 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{2N2IFYHWFCUN4RKJX27G7ID7RR}

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	2026-07-05T03:33:45.915449Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d37482e0f628a8de4549bebe6fa07f8c5b67102f4642956f7ded8baecac76995

Aliases

arxiv: 2107.06017 · arxiv_version: 2107.06017v1 · doi: 10.48550/arxiv.2107.06017 · pith_short_12: 2N2IFYHWFCUN · pith_short_16: 2N2IFYHWFCUN4RKJ · pith_short_8: 2N2IFYHW

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/2N2IFYHWFCUN4RKJX27G7ID7RR \
  | 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: d37482e0f628a8de4549bebe6fa07f8c5b67102f4642956f7ded8baecac76995

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46267b762948fae27b79a874ad9b82d01ac91b986bf9c363941a7b7794eeff31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2021-07-13T12:10:57Z",
    "title_canon_sha256": "8ce79b3099338622bf52909b835b6dcf577cc4341e274c8c5d67d2b52bfed7d6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06017",
    "kind": "arxiv",
    "version": 1
  }
}