Pith Number

pith:KFRQTE3J

pith:2010:KFRQTE3JCHPT4IQQKFTLPBZLXK

not attested not anchored not stored refs pending

YBa2Cu3O7 grain boundary junctions and low-noise superconducting quantum interference devices patterned by a focused ion beam down to 80 nm linewidth

B. B\"uchner, D. Koelle, E. Kleisz, J. Nagel, K. B. Konovalenko, M. Kemmler, M. Turad, R. Kleiner, R. Klingeler, R. Werner, S. Menzel

arxiv:1009.2657 v1 · 2010-09-14 · 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{KFRQTE3JCHPT4IQQKFTLPBZLXK}

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	2026-05-18T04:40:56.628205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

516309936911df3e22105166b7872bbab1cdbcfde3d73d8d1f3570795b7ac6c1

Aliases

arxiv: 1009.2657 · arxiv_version: 1009.2657v1 · doi: 10.48550/arxiv.1009.2657 · pith_short_12: KFRQTE3JCHPT · pith_short_16: KFRQTE3JCHPT4IQQ · pith_short_8: KFRQTE3J

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/KFRQTE3JCHPT4IQQKFTLPBZLXK \
  | 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: 516309936911df3e22105166b7872bbab1cdbcfde3d73d8d1f3570795b7ac6c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "36854270fd4ed6b984f7b94713cfb8af29caa85dfa8bb754b9fb854b8d3865ef",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2010-09-14T13:30:26Z",
    "title_canon_sha256": "d03e1bb07b175899bf3ba23787295d48223a27543153cd96167855e8a93441e8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2657",
    "kind": "arxiv",
    "version": 1
  }
}