Pith Number

pith:V6VKA24I

pith:2009:V6VKA24IALPH5K64GZXUFIQVYZ

not attested not anchored not stored refs pending

Superconductivity in Ti-doped Iron-Arsenide Compound Sr4Cr0.8Ti1.2O6Fe2As2

Bing Shen, Bin Zeng, Fei Han, Gang Mu, Hai-Hu Wen, Peng Cheng, Xiyu Zhu

arxiv:0904.0972 v3 · 2009-04-06 · cond-mat.supr-con · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{V6VKA24IALPH5K64GZXUFIQVYZ}

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	2026-05-18T02:14:07.218420Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afaaa06b8802de7eabdc366f42a215c65a1611d53d3a207abd767664b09f0afc

Aliases

arxiv: 0904.0972 · arxiv_version: 0904.0972v3 · doi: 10.48550/arxiv.0904.0972 · pith_short_12: V6VKA24IALPH · pith_short_16: V6VKA24IALPH5K64 · pith_short_8: V6VKA24I

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/V6VKA24IALPH5K64GZXUFIQVYZ \
  | 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: afaaa06b8802de7eabdc366f42a215c65a1611d53d3a207abd767664b09f0afc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "06bcf4bd9002d07007060a0fdff703e58389051e543dbe395e2faa15b135b4c8",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2009-04-06T17:10:17Z",
    "title_canon_sha256": "037c6f6193943c9dbabb7c3274e86e3b8070ff659ee68405208c263d1bb6f0a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.0972",
    "kind": "arxiv",
    "version": 3
  }
}