Pith Number

pith:UPF3JNIC

pith:2009:UPF3JNIC5YZ5XJ3YJCN7YATVBK

not attested not anchored not stored refs pending

Enhanced superconductivity of YBCO interfaces: origin of high critical temperature in layered superconductors

S.S. Tinchev

arxiv:0911.2107 v1 · 2009-11-11 · 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{UPF3JNIC5YZ5XJ3YJCN7YATVBK}

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	2026-05-18T02:10:48.813469Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3cbb4b502ee33dba778489bfc02750a961c9dffcdbad73e524a190e2987da8f

Aliases

arxiv: 0911.2107 · arxiv_version: 0911.2107v1 · doi: 10.48550/arxiv.0911.2107 · pith_short_12: UPF3JNIC5YZ5 · pith_short_16: UPF3JNIC5YZ5XJ3Y · pith_short_8: UPF3JNIC

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/UPF3JNIC5YZ5XJ3YJCN7YATVBK \
  | 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: a3cbb4b502ee33dba778489bfc02750a961c9dffcdbad73e524a190e2987da8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "949b0d92d4491149286181d91eb07849683121e5495aeba48c08194a26f122e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-11-11T12:00:01Z",
    "title_canon_sha256": "2db7915900b9ff38408510cfdb25ded9e0a1c058949965162036571a760d87ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.2107",
    "kind": "arxiv",
    "version": 1
  }
}