Pith Number

pith:CXOC7ND4

pith:2004:CXOC7ND4GYI3B3SIOW3TZ7LOST

not attested not anchored not stored refs pending

Effects of Substituting Calcium for Yttrium on the Superconducting Properties of YBa2Cu3Oz Bulk Samples

A. J. Zaleski, A. K. Stoyanova-Ivanova, A. L. Zahariev, E. K. Nazarova, K. N. Zalamova

arxiv:cond-mat/0401584 v1 · 2004-01-28 · cond-mat.supr-con · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CXOC7ND4GYI3B3SIOW3TZ7LOST}

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	2026-05-18T01:39:58.598588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15dc2fb47c3611b0ee4875b73cfd6e94daf89ff0a545e9816c1be2a04659bd12

Aliases

arxiv: cond-mat/0401584 · arxiv_version: cond-mat/0401584v1 · doi: 10.48550/arxiv.cond-mat/0401584 · pith_short_12: CXOC7ND4GYI3 · pith_short_16: CXOC7ND4GYI3B3SI · pith_short_8: CXOC7ND4

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/CXOC7ND4GYI3B3SIOW3TZ7LOST \
  | 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: 15dc2fb47c3611b0ee4875b73cfd6e94daf89ff0a545e9816c1be2a04659bd12

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98f8aff37e4a67f855d446334ac11d8c5588bcc1456f5e0f8877d46d3a2263a9",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2004-01-28T15:49:00Z",
    "title_canon_sha256": "127278ae88df34b18f4ce5acf7fe70507bc5dc9b74844b25b80307058b0b25a6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0401584",
    "kind": "arxiv",
    "version": 1
  }
}