Pith Number

pith:4CFUA2LK

pith:2005:4CFUA2LKUE4CNRIJMBPTIHF2YH

not attested not anchored not stored refs pending

A ferromagnetic oxide semiconductor as spin injection electrode in magnetic tunnel junction

H. Toyosaki, K. Ueno, M. Kawasaki, M. Nakano, T. Fukumura

arxiv:cond-mat/0507137 v1 · 2005-07-06 · 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{4CFUA2LKUE4CNRIJMBPTIHF2YH}

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	2026-07-04T16:54:13.662036Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e08b40696aa13826c509605f341cbac1d21aa8a8fb2266ba8fc371ace0990fee

Aliases

arxiv: cond-mat/0507137 · arxiv_version: cond-mat/0507137v1 · doi: 10.48550/arxiv.cond-mat/0507137 · pith_short_12: 4CFUA2LKUE4C · pith_short_16: 4CFUA2LKUE4CNRIJ · pith_short_8: 4CFUA2LK

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/4CFUA2LKUE4CNRIJMBPTIHF2YH \
  | 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: e08b40696aa13826c509605f341cbac1d21aa8a8fb2266ba8fc371ace0990fee

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2eab7f40a744c28fdb3de399899f8de7f7afb5cb6344dd89b37a996da755d392",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2005-07-06T11:01:42Z",
    "title_canon_sha256": "3518b1f713e74ea870ecefc4cc1d06a579b3a64c63c96b8f4c4990ddae39f023"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0507137",
    "kind": "arxiv",
    "version": 1
  }
}