Pith Number

pith:T3AQ2FIB

pith:2019:T3AQ2FIBYUQX3G525GVNR3CXSN

not attested not anchored not stored refs pending

Superconductivity in Uncollapsed Tetragonal LaFe2As2

Akira Iyo, Hiroshi Eisaki, Hiroshi Fujihisa, Izumi Hase, Kenji Kawashima, Shigeyuki Ishida, Yoshito Gotoh, Yoshiyuki Yoshida

arxiv:1905.06524 v1 · 2019-05-16 · 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{T3AQ2FIBYUQX3G525GVNR3CXSN}

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	2026-05-17T23:46:02.026092Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ec10d1501c5217d9bbae9aad8ec57936803fe736ba7ce836e4121769cf69612

Aliases

arxiv: 1905.06524 · arxiv_version: 1905.06524v1 · doi: 10.48550/arxiv.1905.06524 · pith_short_12: T3AQ2FIBYUQX · pith_short_16: T3AQ2FIBYUQX3G52 · pith_short_8: T3AQ2FIB

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/T3AQ2FIBYUQX3G525GVNR3CXSN \
  | 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: 9ec10d1501c5217d9bbae9aad8ec57936803fe736ba7ce836e4121769cf69612

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f183d26bbf854d30146dbb44c6edf673a2bccf6b8e1afadc2c2bf78ee984a76a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-05-16T04:37:17Z",
    "title_canon_sha256": "7d6438df7761d0d2c6a595279aedc325fd4a424de56a376b959327f77b9935a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.06524",
    "kind": "arxiv",
    "version": 1
  }
}