Pith Number

pith:2CS4JJDP

pith:2003:2CS4JJDPAZANZNPIHXH6LVNUJF

not attested not anchored not stored refs pending

Specific heat of unconventional superconductivity in NaxCoO2-yH2O

C. P. Sun, E. Takayama-Muromachi, H. D. Yang, H. Sakurai, J.-Y. Lin, K. Takada, T. Sasaki, Y. C. Kang

arxiv:cond-mat/0308031 v3 · 2003-08-02 · 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{2CS4JJDPAZANZNPIHXH6LVNUJF}

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	2026-07-04T14:20:17.495240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0a5c4a46f0640dcb5e83dcfe5d5b44975fcd5f1cf2429c4ebce0a7ae9a88b08

Aliases

arxiv: cond-mat/0308031 · arxiv_version: cond-mat/0308031v3 · doi: 10.48550/arxiv.cond-mat/0308031 · pith_short_12: 2CS4JJDPAZAN · pith_short_16: 2CS4JJDPAZANZNPI · pith_short_8: 2CS4JJDP

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/2CS4JJDPAZANZNPIHXH6LVNUJF \
  | 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: d0a5c4a46f0640dcb5e83dcfe5d5b44975fcd5f1cf2429c4ebce0a7ae9a88b08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bb2755086f26e0994ce889a80972293718af9e62a5c780433bf191f9b826638",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2003-08-02T11:42:55Z",
    "title_canon_sha256": "13760294f5228235563a32508d79e356c0c7e41e953dc2d669ad2c47ff73b008"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0308031",
    "kind": "arxiv",
    "version": 3
  }
}