Pith Number

pith:YERBWZ53

pith:2010:YERBWZ53EOM7VODHQGXOXRCLLJ

not attested not anchored not stored refs pending

Superconductivity at 28.3 and 17.1 K in (Ca4Al2O6-y)(Fe2Pn2) (Pn = As and P)

Akira Iyo, Chul-Ho Lee, Hijiri Kito, Hiroshi Eisaki, Kunihiro Kihou, Parasharam M. Shirage

arxiv:1008.2586 v3 · 2010-08-16 · 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{YERBWZ53EOM7VODHQGXOXRCLLJ}

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	2026-05-18T04:37:10.072540Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c1221b67bb2399fab86781aeebc44b5a7fe05bb8c3fc50861c5266aff6805360

Aliases

arxiv: 1008.2586 · arxiv_version: 1008.2586v3 · doi: 10.48550/arxiv.1008.2586 · pith_short_12: YERBWZ53EOM7 · pith_short_16: YERBWZ53EOM7VODH · pith_short_8: YERBWZ53

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/YERBWZ53EOM7VODHQGXOXRCLLJ \
  | 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: c1221b67bb2399fab86781aeebc44b5a7fe05bb8c3fc50861c5266aff6805360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e98c6c2b5cd14349b9ce087d2378f2f72150bf7e74325ace2112536f8b6693e2",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-08-16T07:46:43Z",
    "title_canon_sha256": "1459d18cd34539ca7d8852e94d32f442fea65840b4c4e4babd3e35b105ab6027"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.2586",
    "kind": "arxiv",
    "version": 3
  }
}