Pith Number

pith:7NFCNGUG

pith:2007:7NFCNGUGUXJ5RYS3I5TZCGPIYW

not attested not anchored not stored refs pending

Pairing Symmetry and Upward Curvature of Upper Critical Field in Superconducting $Na_{0.35} Co O_2 \cdot y H_2 O$

Chung-Yu Mou, Jiunn-Yuan Lin, Jun-Ting Kao

arxiv:cond-mat/0701135 v1 · 2007-01-08 · 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{7NFCNGUGUXJ5RYS3I5TZCGPIYW}

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	2026-07-04T14:58:32.959621Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4a269a86a5d3d8e25b47679119e8c59867d5e048c8292bdc26a9300cd4ad57

Aliases

arxiv: cond-mat/0701135 · arxiv_version: cond-mat/0701135v1 · doi: 10.48550/arxiv.cond-mat/0701135 · pith_short_12: 7NFCNGUGUXJ5 · pith_short_16: 7NFCNGUGUXJ5RYS3 · pith_short_8: 7NFCNGUG

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/7NFCNGUGUXJ5RYS3I5TZCGPIYW \
  | 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: fb4a269a86a5d3d8e25b47679119e8c59867d5e048c8292bdc26a9300cd4ad57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f9ed2745f8aec18ffe42a1058462ba460b8bdc80c48d5653c0bf5c03de4e18b",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2007-01-08T03:28:08Z",
    "title_canon_sha256": "7f139ed9c70f34ec3ab3c16e76b6b4a5e5b407696f801214ed59542a126af0d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0701135",
    "kind": "arxiv",
    "version": 1
  }
}