Pith Number

pith:KPJAOTPI

pith:2009:KPJAOTPIKN2PBCWGQ7FO4XHXP7

not attested not anchored not stored refs pending

Oxide layer boron leads to reduced symmetry spin filtering magnetic tunnel junctions

Derek A. Stewart

arxiv:0904.4475 v1 · 2009-04-28 · cond-mat.mtrl-sci · cond-mat.mes-hall

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KPJAOTPIKN2PBCWGQ7FO4XHXP7}

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	2026-07-04T15:41:55.856611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53d2074de85374f08ac687caee5cf77fc442995a0a827f9ceddb2aff2b806e86

Aliases

arxiv: 0904.4475 · arxiv_version: 0904.4475v1 · doi: 10.48550/arxiv.0904.4475 · pith_short_12: KPJAOTPIKN2P · pith_short_16: KPJAOTPIKN2PBCWG · pith_short_8: KPJAOTPI

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/KPJAOTPIKN2PBCWGQ7FO4XHXP7 \
  | 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: 53d2074de85374f08ac687caee5cf77fc442995a0a827f9ceddb2aff2b806e86

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93fb1ba48e5bfe8bfab4c56e9da86e8477f60234e45ddba02fd6b091d1c7b704",
    "cross_cats_sorted": [
      "cond-mat.mes-hall"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2009-04-28T20:24:17Z",
    "title_canon_sha256": "ae2e5ae88ba47b5ed49908d2bf49d6fd6136f75414c2280b91deb1af39d86a62"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.4475",
    "kind": "arxiv",
    "version": 1
  }
}