Pith Number

pith:VUCAKH3Z

pith:2013:VUCAKH3ZM4FDYCXORKFV6A2GTB

not attested not anchored not stored refs pending

Superconductivity in LiFeO2Fe2Se2 with anti-PbO-type Spacer Layers

B. Lei, F. Q. Huang, G. H. Zhang, N. Z. Wang, X. F. Lu, X. G. Luo, X. H. Chen, Z. M. Ma

arxiv:1309.3833 v3 · 2013-09-16 · 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{VUCAKH3ZM4FDYCXORKFV6A2GTB}

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	2026-05-18T01:47:41.637364Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad04051f79670a3c0aee8a8b5f03469851e596a33c6d5194100c4dc563012648

Aliases

arxiv: 1309.3833 · arxiv_version: 1309.3833v3 · doi: 10.48550/arxiv.1309.3833 · pith_short_12: VUCAKH3ZM4FD · pith_short_16: VUCAKH3ZM4FDYCXO · pith_short_8: VUCAKH3Z

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/VUCAKH3ZM4FDYCXORKFV6A2GTB \
  | 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: ad04051f79670a3c0aee8a8b5f03469851e596a33c6d5194100c4dc563012648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "837d0ac54cec5a275902f6cd21a95074adfdae515e0ab7a2a696457566ce75d1",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-09-16T05:59:58Z",
    "title_canon_sha256": "58e2cc320caa4a59b5cfd8bc0bde315a8a43e5ffd34e529613023ae14d23843c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3833",
    "kind": "arxiv",
    "version": 3
  }
}