Pith Number

pith:DZDFDNNN

pith:2003:DZDFDNNNF2NP22LABGNZOTNOL4

not attested not anchored not stored refs pending

$Fe_{0.5}Cu_{0.5}(Ba_{1-x}Sr_{x})_2YCu_2O_{7+\delta}$ ($x$ = 0, 0.5 and 1) superconductors prepared by high pressure synthesis

C. Dong, G.C. Che, H. Chen, S.L. Jia, Y.M. Ni, Z.A. Ren, Z.X. Zhao

arxiv:cond-mat/0312089 v1 · 2003-12-03 · 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{DZDFDNNNF2NP22LABGNZOTNOL4}

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	2026-07-04T16:39:53.571270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e4651b5ad2e9afd6960099b974dae5f34ee790109cd5d2321e6fd8db694341a

Aliases

arxiv: cond-mat/0312089 · arxiv_version: cond-mat/0312089v1 · doi: 10.48550/arxiv.cond-mat/0312089 · pith_short_12: DZDFDNNNF2NP · pith_short_16: DZDFDNNNF2NP22LA · pith_short_8: DZDFDNNN

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/DZDFDNNNF2NP22LABGNZOTNOL4 \
  | 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: 1e4651b5ad2e9afd6960099b974dae5f34ee790109cd5d2321e6fd8db694341a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33d7d85e4d3bc71b527fd9befbf8f430c4c358b5df778689b6b56aa620ba9b3e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2003-12-03T07:16:34Z",
    "title_canon_sha256": "0a8fda30e6805d23f0a92410d25c13c4ec5886dc5d487badf75742488247e155"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0312089",
    "kind": "arxiv",
    "version": 1
  }
}