Pith Number

pith:QWDT7YEO

pith:2013:QWDT7YEOPHOGTUSS654V3YIPC7

not attested not anchored not stored refs pending

Superconductivity in Ba1-xKxTi2Sb2O (0 < x < 1) controlled by charge doping

Dirk Johrendt, Ursula Pachmayr

arxiv:1308.5660 v1 · 2013-08-26 · cond-mat.supr-con · cond-mat.mtrl-sci · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QWDT7YEOPHOGTUSS654V3YIPC7}

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	2026-05-18T03:01:46.238104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85873fe08e79dc69d252f7795de10f17f007a625cbafa4492eff6f4a71888ca9

Aliases

arxiv: 1308.5660 · arxiv_version: 1308.5660v1 · doi: 10.48550/arxiv.1308.5660 · pith_short_12: QWDT7YEOPHOG · pith_short_16: QWDT7YEOPHOGTUSS · pith_short_8: QWDT7YEO

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/QWDT7YEOPHOGTUSS654V3YIPC7 \
  | 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: 85873fe08e79dc69d252f7795de10f17f007a625cbafa4492eff6f4a71888ca9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4379b43ac498115eba4fec4697ce17cbf7bf5ee3cd50d683b0b66adf7c2d69ea",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci",
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2013-08-26T19:13:43Z",
    "title_canon_sha256": "e9f5351ed883b31d519a7239ef60c5f401bebebf4672e081948a51c166d96e26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.5660",
    "kind": "arxiv",
    "version": 1
  }
}