Pith Number

pith:Y7VE6QOZ

pith:2009:Y7VE6QOZPGZCUPUUHZXRRT57UY

not attested not anchored not stored refs pending

Superconductivity, magnetism and crystal chemistry of Ba1-xKxFe2As2

Dirk Johrendt, Rainer Poettgen

arxiv:0902.1085 v1 · 2009-02-06 · cond-mat.supr-con · 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{Y7VE6QOZPGZCUPUUHZXRRT57UY}

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	2026-05-18T02:14:49.025104Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7ea4f41d979b22a3e943e6f18cfbfa60f4df77f782a39efcdb0ec22a25f4c81

Aliases

arxiv: 0902.1085 · arxiv_version: 0902.1085v1 · doi: 10.48550/arxiv.0902.1085 · pith_short_12: Y7VE6QOZPGZC · pith_short_16: Y7VE6QOZPGZCUPUU · pith_short_8: Y7VE6QOZ

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/Y7VE6QOZPGZCUPUUHZXRRT57UY \
  | 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: c7ea4f41d979b22a3e943e6f18cfbfa60f4df77f782a39efcdb0ec22a25f4c81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e3f48d6139f6128cbb8568cbb34738d8dc76351d1b6febde6704c99dd97d7ae0",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-02-06T13:32:12Z",
    "title_canon_sha256": "af7cfa02a64adaa0fab75389ddeb25fcfce69d63bcefdc95da073e6e15a7528e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.1085",
    "kind": "arxiv",
    "version": 1
  }
}