Pith Number

pith:MT2O3TTF

pith:1999:MT2O3TTFIZHIAJCIQ5EFGIB3Y4

not attested not anchored not stored refs pending

PrBa_2Cu_3O_{7-y}: Superconducting or Anomalously Magnetic?

D. Eckert, G. Fuchs, K.A. Nenkov, K.-H. M\"uller, T.G. Uvarova, V.N. Narozhnyi

arxiv:cond-mat/9909107 v1 · 1999-09-07 · 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{MT2O3TTFIZHIAJCIQ5EFGIB3Y4}

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	2026-05-18T01:39:27.343463Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64f4edce65464e802448874853203bc73dcbd068359c2885e7a4a9579760ce8f

Aliases

arxiv: cond-mat/9909107 · arxiv_version: cond-mat/9909107v1 · doi: 10.48550/arxiv.cond-mat/9909107 · pith_short_12: MT2O3TTFIZHI · pith_short_16: MT2O3TTFIZHIAJCI · pith_short_8: MT2O3TTF

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/MT2O3TTFIZHIAJCIQ5EFGIB3Y4 \
  | 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: 64f4edce65464e802448874853203bc73dcbd068359c2885e7a4a9579760ce8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "899431585afb75b924a60d8f97d54930bf154578a4622adc41fb2a6050cc6166",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "1999-09-07T13:56:05Z",
    "title_canon_sha256": "99dbeae47c5048e23f87373f4e1371267d5c7b2f1c946659b6d842eada53f3f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9909107",
    "kind": "arxiv",
    "version": 1
  }
}