Pith Number

pith:4HRUNIAW

pith:2011:4HRUNIAWFKG4GEOCYQ3C7AW2JH

not attested not anchored not stored refs pending

Biaxially textured cobalt-doped BaFe2As2 films with high critical current density over 1 MA/cm2 on MgO-buffered metal-tape flexible substrates

Chris Sheehan, Hidenori Hiramatsu, Hideo Hosono, Keiichi Tanabe, Takayoshi Katase, Toshio Kamiya, Vladimir Matias, Yoshihiro Ishimaru

arxiv:1103.5815 v2 · 2011-03-30 · 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{4HRUNIAWFKG4GEOCYQ3C7AW2JH}

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	2026-05-18T04:19:43.150507Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1e346a0162a8dc311c2c4362f82da49d40984110393e5425ebfd449ee564b7a

Aliases

arxiv: 1103.5815 · arxiv_version: 1103.5815v2 · doi: 10.48550/arxiv.1103.5815 · pith_short_12: 4HRUNIAWFKG4 · pith_short_16: 4HRUNIAWFKG4GEOC · pith_short_8: 4HRUNIAW

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/4HRUNIAWFKG4GEOCYQ3C7AW2JH \
  | 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: e1e346a0162a8dc311c2c4362f82da49d40984110393e5425ebfd449ee564b7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56281b4b9c7b2d43dfb7579a07a175aff22594bc8f5a1b33b102e0d8d17d1d79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2011-03-30T03:06:21Z",
    "title_canon_sha256": "2104d828946bf0bbd0a7ee6d661d0587a4db32ffd09889c9f77d0ea664cde011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.5815",
    "kind": "arxiv",
    "version": 2
  }
}