Pith Number

pith:ZA33NK2C

pith:2004:ZA33NK2CRQLTFQA4TAL6IHCLOI

not attested not anchored not stored refs pending

Oxidation State of Cobalt in the NaxCoO2-d yH2O Superconductor

Hisao Yamauchi, Isao Asako, Maarit Karppinen, Teruki Motohashi

arxiv:cond-mat/0402484 v1 · 2004-02-18 · 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{ZA33NK2CRQLTFQA4TAL6IHCLOI}

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	2026-07-04T14:48:29.925871Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c837b6ab428c1732c01c9817e41c4b72370c3bfe6206f4f29af2812b566e20f1

Aliases

arxiv: cond-mat/0402484 · arxiv_version: cond-mat/0402484v1 · doi: 10.48550/arxiv.cond-mat/0402484 · pith_short_12: ZA33NK2CRQLT · pith_short_16: ZA33NK2CRQLTFQA4 · pith_short_8: ZA33NK2C

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/ZA33NK2CRQLTFQA4TAL6IHCLOI \
  | 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: c837b6ab428c1732c01c9817e41c4b72370c3bfe6206f4f29af2812b566e20f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1ecd4d6ade27a1039f1d54dead89caa06250887e2472d3e21c8f7be2f88ac088",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2004-02-18T23:53:51Z",
    "title_canon_sha256": "3995a778e5911142bb5d04f887019859de91fa7ecf60f918d86d85406de37c8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0402484",
    "kind": "arxiv",
    "version": 1
  }
}