Pith Number

pith:S4PDZ7DS

pith:2013:S4PDZ7DSPBZ5ITG6WP5GC4EKXD

not attested not anchored not stored refs pending

Design and market considerations for axial flux superconducting electric machine design

Andy Winfield, Ashley George, Lewis Dawson, Marina Steketee, Mark D. Ainslie, Robert Shaw, Simon Stockley

arxiv:1309.4599 v2 · 2013-09-18 · physics.ins-det · 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{S4PDZ7DSPBZ5ITG6WP5GC4EKXD}

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	2026-05-18T01:47:35.966912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

971e3cfc727873d44cdeb3fa61708ab8e8b105eea76c49ef5727816923b85522

Aliases

arxiv: 1309.4599 · arxiv_version: 1309.4599v2 · doi: 10.48550/arxiv.1309.4599 · pith_short_12: S4PDZ7DSPBZ5 · pith_short_16: S4PDZ7DSPBZ5ITG6 · pith_short_8: S4PDZ7DS

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/S4PDZ7DSPBZ5ITG6WP5GC4EKXD \
  | 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: 971e3cfc727873d44cdeb3fa61708ab8e8b105eea76c49ef5727816923b85522

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "647a1d42689fdc69a54b47aedfdab1236865f09e46a1b2a0f2c7e0b8c655a47f",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ins-det",
    "submitted_at": "2013-09-18T09:54:20Z",
    "title_canon_sha256": "5e1fc4b3407e7262909158d8c1a6685f2d58297462b45bb72d1c341e82bf3963"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4599",
    "kind": "arxiv",
    "version": 2
  }
}