Pith Number

pith:QH3KZR3S

pith:2002:QH3KZR3SWJK76MXZDF2N56S2PK

not attested not anchored not stored refs pending

Structural and superconducting properties of MgB$_{2-x}$Be$_x$

E. J. Choi, J. S. Ahn, M.-S. Kim, S.-I. Lee, Y.-J. Kim

arxiv:cond-mat/0202415 v1 · 2002-02-23 · 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{QH3KZR3SWJK76MXZDF2N56S2PK}

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	2026-07-04T16:31:44.265230Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

81f6acc772b255ff32f91974defa5a7a8769f71550d2188a6736d5149e340ad0

Aliases

arxiv: cond-mat/0202415 · arxiv_version: cond-mat/0202415v1 · doi: 10.48550/arxiv.cond-mat/0202415 · pith_short_12: QH3KZR3SWJK7 · pith_short_16: QH3KZR3SWJK76MXZ · pith_short_8: QH3KZR3S

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/QH3KZR3SWJK76MXZDF2N56S2PK \
  | 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: 81f6acc772b255ff32f91974defa5a7a8769f71550d2188a6736d5149e340ad0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dd5c5998bca693b245d12fb8440487f965aa77ba38fca07cd8db85a1a1e8224",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "",
    "primary_cat": "cond-mat.supr-con",
    "submitted_at": "2002-02-23T03:28:13Z",
    "title_canon_sha256": "25a3d1473f2cfd937639b8b21ae72932f195c61bb4f038ad41db546f790ff90e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0202415",
    "kind": "arxiv",
    "version": 1
  }
}