Pith Number

pith:7PWWH2KR

pith:2013:7PWWH2KRRM55ZTG5JEYP74IUYX

not attested not anchored not stored refs pending

Large enhancement of transport critical current density of ex-situ PIT Ag/(Ba,K)Fe2As2 tapes achieved by applying cycles of cold deformation and heat treatment

Akiyoshi Matsumoto adn Hiroaki Kumakura, Kazumasa Togano, Zhaoshun Gao

arxiv:1304.3161 v1 · 2013-04-10 · 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{7PWWH2KRRM55ZTG5JEYP74IUYX}

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	2026-05-18T01:50:40.123072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbed63e9518b3bdcccdd4930fff114c5db3a1614bb1e77c29cf7f855ce3888f8

Aliases

arxiv: 1304.3161 · arxiv_version: 1304.3161v1 · doi: 10.48550/arxiv.1304.3161 · pith_short_12: 7PWWH2KRRM55 · pith_short_16: 7PWWH2KRRM55ZTG5 · pith_short_8: 7PWWH2KR

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/7PWWH2KRRM55ZTG5JEYP74IUYX \
  | 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: fbed63e9518b3bdcccdd4930fff114c5db3a1614bb1e77c29cf7f855ce3888f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "917f905041b9b2fc058936d29094d85ee2e145b951ed74d9fee6677b62abdfa3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-04-10T22:57:34Z",
    "title_canon_sha256": "e8e1d820f7adb1ca33e498e54b50f703253880330b5b497514ee6673d103a447"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3161",
    "kind": "arxiv",
    "version": 1
  }
}