Pith Number

pith:VRLEF27W

pith:2001:VRLEF27WH4U4IPQLCFPMGXUPFG

not attested not anchored not stored refs pending

Preparation and Superconductivity of a MgB2 Superconducting Tape

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

arxiv:cond-mat/0105215 v1 · 2001-05-10 · 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{VRLEF27WH4U4IPQLCFPMGXUPFG}

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	2026-07-04T14:18:25.392312Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac5642ebf63f29c43e0b115ec35e8f29be7b04a3a9d3707788a10a8a4de6c730

Aliases

arxiv: cond-mat/0105215 · arxiv_version: cond-mat/0105215v1 · doi: 10.48550/arxiv.cond-mat/0105215 · pith_short_12: VRLEF27WH4U4 · pith_short_16: VRLEF27WH4U4IPQL · pith_short_8: VRLEF27W

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/VRLEF27WH4U4IPQLCFPMGXUPFG \
  | 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: ac5642ebf63f29c43e0b115ec35e8f29be7b04a3a9d3707788a10a8a4de6c730

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4e7f504755ddac788b306540816a81495de7eccdf4ca735dd8a82c53240cf65",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2001-05-10T15:58:01Z",
    "title_canon_sha256": "35cc5b8fd4a74720b2977eef15a3a341922392436c78b7e4b0fae7855a9f9533"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0105215",
    "kind": "arxiv",
    "version": 1
  }
}