Pith Number

pith:TIO3DYDU

pith:2003:TIO3DYDUUKLLPQVMYYXSTP6Z2D

not attested not anchored not stored refs pending

Possible spin triplet superconductivity in Na$_x$CoO$_{2}\cdot y$H$_{2}$0

Akihiro Tanaka, Xiao Hu (National Institute for Materials Science)

arxiv:cond-mat/0304409 v1 · 2003-04-17 · cond-mat.str-el · 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{TIO3DYDUUKLLPQVMYYXSTP6Z2D}

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	2026-05-18T01:06:57.618861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a1db1e074a296b7c2acc62f29bfd9d0f4cee41fc77019a4c53618d6792226e2

Aliases

arxiv: cond-mat/0304409 · arxiv_version: cond-mat/0304409v1 · doi: 10.48550/arxiv.cond-mat/0304409 · pith_short_12: TIO3DYDUUKLL · pith_short_16: TIO3DYDUUKLLPQVM · pith_short_8: TIO3DYDU

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/TIO3DYDUUKLLPQVMYYXSTP6Z2D \
  | 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: 9a1db1e074a296b7c2acc62f29bfd9d0f4cee41fc77019a4c53618d6792226e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3329009e45a43cb3a54ece59b8069162532713b430d5906cb35029452ff45e32",
    "cross_cats_sorted": [
      "cond-mat.supr-con"
    ],
    "license": "",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2003-04-17T18:34:56Z",
    "title_canon_sha256": "0024aff7f53e0ae9d5672c4dc1cb82a53a2a90cfea211735ec739c1042d08caf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0304409",
    "kind": "arxiv",
    "version": 1
  }
}