Pith Number

pith:EIEM35Z4

pith:2003:EIEM35Z4CFQ42QYXUJQJII2S4O

not attested not anchored not stored refs pending

Unconventional Superconductivity and Nearly Ferromagnetic Spin Fluctuations in Na$_x$CoO$_2$$\cdot y$H$_2$O

C. Michioka, E. Takayama-Muromachi, H. Sakurai, K. Ishida, K. Takada, K. Yoshimura, M. Kato, T. Sasaki, Y. Ihara, Y. Maeno

arxiv:cond-mat/0308506 v1 · 2003-08-25 · 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{EIEM35Z4CFQ42QYXUJQJII2S4O}

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	2026-07-04T16:39:21.426741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2208cdf73c1161cd4317a260942352e3a324bee3af348a54ea4b345686e69cf3

Aliases

arxiv: cond-mat/0308506 · arxiv_version: cond-mat/0308506v1 · doi: 10.48550/arxiv.cond-mat/0308506 · pith_short_12: EIEM35Z4CFQ4 · pith_short_16: EIEM35Z4CFQ42QYX · pith_short_8: EIEM35Z4

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/EIEM35Z4CFQ42QYXUJQJII2S4O \
  | 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: 2208cdf73c1161cd4317a260942352e3a324bee3af348a54ea4b345686e69cf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a9e9a24b2edfa45ce0d5b2557c818da5c532e58fef567ddfc524d8fbb707348",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2003-08-25T16:04:39Z",
    "title_canon_sha256": "c168d4a19a6e6494c65c04c9626e285277df1971c0dd7a34d844ef2bcba487e1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0308506",
    "kind": "arxiv",
    "version": 1
  }
}