Pith Number

pith:P25EMDCI

pith:2005:P25EMDCI3BE5YJ6X3KU33FKTVU

not attested not anchored not stored refs pending

Electron-Phonon mechanism for Superconductivity in Na$_{0.35}$CoO$_2$: Valence-Band Suhl-Kondo effect Driven by Shear Phonons

Hiroshi Kontani, Keiji Yada

arxiv:cond-mat/0512440 v2 · 2005-12-19 · cond-mat.supr-con

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{P25EMDCI3BE5YJ6X3KU33FKTVU}

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	2026-07-04T14:52:03.514447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7eba460c48d849dc27d7daa9bd9553ad1882453c024bcc3f9a81db1fda9e8290

Aliases

arxiv: cond-mat/0512440 · arxiv_version: cond-mat/0512440v2 · doi: 10.48550/arxiv.cond-mat/0512440 · pith_short_12: P25EMDCI3BE5 · pith_short_16: P25EMDCI3BE5YJ6X · pith_short_8: P25EMDCI

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/P25EMDCI3BE5YJ6X3KU33FKTVU \
  | 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: 7eba460c48d849dc27d7daa9bd9553ad1882453c024bcc3f9a81db1fda9e8290

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75173aff15c19aed2f3d953a62622e86aa2fc1ef61e864d2e3f96769c3f60707",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2005-12-19T10:23:04Z",
    "title_canon_sha256": "55b9fdbcc16a74d74cbc429aabc7a9690f8967257f604368eff917634cd0ba25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0512440",
    "kind": "arxiv",
    "version": 2
  }
}