Pith Number

pith:D3GZ7JQQ

pith:2013:D3GZ7JQQNLOJRSX7AJZEBW62EY

not attested not anchored not stored refs pending

New Li-Ethylenediamine-Intercalated Superconductor Li$_x$(C$_2$H$_8$N$_2$)$_y$Fe$_{2-z}$Se$_2$ with $T_c$ = 45 K

Masatsune Kato, Takashi Noji, Takayuki Kawamata, Takehiro Hatakeda, Yoji Koike

arxiv:1311.0141 v1 · 2013-11-01 · 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{D3GZ7JQQNLOJRSX7AJZEBW62EY}

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	2026-05-18T03:07:42.960744Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ecd9fa6106adc98caff027240dbda263df2967f0c73d65d9131fe93860bb9fd

Aliases

arxiv: 1311.0141 · arxiv_version: 1311.0141v1 · doi: 10.48550/arxiv.1311.0141 · pith_short_12: D3GZ7JQQNLOJ · pith_short_16: D3GZ7JQQNLOJRSX7 · pith_short_8: D3GZ7JQQ

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/D3GZ7JQQNLOJRSX7AJZEBW62EY \
  | 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: 1ecd9fa6106adc98caff027240dbda263df2967f0c73d65d9131fe93860bb9fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a197f907de549ca4dc078e3e4f22eb0467998629d9586342188ad3089997a21e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-11-01T11:04:17Z",
    "title_canon_sha256": "0db74890692e97199c149308bb1c4e4b379d9ccb0719ab48bb4a439c627dd82e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0141",
    "kind": "arxiv",
    "version": 1
  }
}