Pith Number

pith:UP4ORD5E

pith:2013:UP4ORD5E6UDLCAS2IUC72EON3K

not attested not anchored not stored refs pending

A Mathematical Aspect of A Tunnel-Junction for Spintronic Qubit

Masao Hirokawa, Takuya Kosaka

arxiv:1306.2688 v2 · 2013-06-12 · quant-ph · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UP4ORD5E6UDLCAS2IUC72EON3K}

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	2026-05-18T03:14:08.268902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3f8e88fa4f506b1025a4505fd11cdda9f147d010256a7e92d0779f8a6f4f140

Aliases

arxiv: 1306.2688 · arxiv_version: 1306.2688v2 · doi: 10.48550/arxiv.1306.2688 · pith_short_12: UP4ORD5E6UDL · pith_short_16: UP4ORD5E6UDLCAS2 · pith_short_8: UP4ORD5E

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/UP4ORD5E6UDLCAS2IUC72EON3K \
  | 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: a3f8e88fa4f506b1025a4505fd11cdda9f147d010256a7e92d0779f8a6f4f140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3475b5b0d6e730e4d5c1f7f2945cdd4105f1b4d8f8bf1e8ebaf3a38bb2f9d6f",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2013-06-12T01:32:10Z",
    "title_canon_sha256": "a6f6267421d33799f2529824650eb7b59c2960381cbe1c132f56cddb05d9c262"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2688",
    "kind": "arxiv",
    "version": 2
  }
}