Pith Number

pith:FTDXB4W6

pith:2019:FTDXB4W6HLFW65UEKGVU5DEXDH

not attested not anchored not stored refs pending

High-resistance YBa2Cu3O7-x grain-boundary Josephson junctions fabricated by electromigration

I. Gundareva, M. Lyatti, R.E. Dunin-Borkowski, U. Poppe

arxiv:1908.03784 v1 · 2019-08-10 · 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{FTDXB4W6HLFW65UEKGVU5DEXDH}

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	2026-07-04T23:53:18.278849Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2cc770f2de3acb6f768451ab4e8c9719e667ce1e5154baac18e08162cc8a97e4

Aliases

arxiv: 1908.03784 · arxiv_version: 1908.03784v1 · doi: 10.48550/arxiv.1908.03784 · pith_short_12: FTDXB4W6HLFW · pith_short_16: FTDXB4W6HLFW65UE · pith_short_8: FTDXB4W6

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/FTDXB4W6HLFW65UEKGVU5DEXDH \
  | 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: 2cc770f2de3acb6f768451ab4e8c9719e667ce1e5154baac18e08162cc8a97e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c1116d5cb6f620c62cb1ef20b15dfcff651caf42a5ca581d121db56bf771ab2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2019-08-10T17:03:57Z",
    "title_canon_sha256": "eb76b148c62f34ed4004e543d47e0dfeca6c1c791a6c4447975220fe9cf2428f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.03784",
    "kind": "arxiv",
    "version": 1
  }
}