Pith Number

pith:7VYL5LXQ

pith:2006:7VYL5LXQCSD3Z34ZFK2GKUB3MN

not attested not anchored not stored refs pending

Robustness of s-wave superconductivity against Coulomb interactions in Na$_x$CoO$_2$

Hiroshi Kontani, Keiji Yada

arxiv:cond-mat/0607012 v1 · 2006-07-01 · 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{7VYL5LXQCSD3Z34ZFK2GKUB3MN}

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	2026-07-04T17:00:45.332356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd70beaef01487bcef992ab465503b637b614a69b816ee7a2971af49e719e0c4

Aliases

arxiv: cond-mat/0607012 · arxiv_version: cond-mat/0607012v1 · doi: 10.48550/arxiv.cond-mat/0607012 · pith_short_12: 7VYL5LXQCSD3 · pith_short_16: 7VYL5LXQCSD3Z34Z · pith_short_8: 7VYL5LXQ

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/7VYL5LXQCSD3Z34ZFK2GKUB3MN \
  | 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: fd70beaef01487bcef992ab465503b637b614a69b816ee7a2971af49e719e0c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8463debe45c6237503b29d24c6b0ad543a28a6464375f518db5aff658ac42d0b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2006-07-01T12:33:06Z",
    "title_canon_sha256": "e1922a9b3cdb07d68716f3fd991b477eac9d2b694d8a3d60d3ed905dc6773b8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0607012",
    "kind": "arxiv",
    "version": 1
  }
}