Pith Number

pith:MUCS5L7W

pith:1999:MUCS5L7WC2SQGCTARMGGK2WIAF

not attested not anchored not stored refs pending

The structural and electronic properties of germanium clathrates

Alper Buldum, C.Y.Fong, Jianping Lu, Jijun Zhao

arxiv:cond-mat/9907405 v1 · 1999-07-27 · cond-mat

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MUCS5L7WC2SQGCTARMGGK2WIAF}

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	2026-07-04T16:13:05.451212Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

65052eaff616a5030a608b0c656ac80162dd3df091f9444ea3ddf6b89000e99a

Aliases

arxiv: cond-mat/9907405 · arxiv_version: cond-mat/9907405v1 · doi: 10.48550/arxiv.cond-mat/9907405 · pith_short_12: MUCS5L7WC2SQ · pith_short_16: MUCS5L7WC2SQGCTA · pith_short_8: MUCS5L7W

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/MUCS5L7WC2SQGCTARMGGK2WIAF \
  | 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: 65052eaff616a5030a608b0c656ac80162dd3df091f9444ea3ddf6b89000e99a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1382ee8dcdf132555f352d5b0cb4323a2d93d19c3630cfc238181a824c52d8d0",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat",
    "submitted_at": "1999-07-27T01:26:18Z",
    "title_canon_sha256": "a963f59fa38263694a3f125955822599776f6675af5d6cf4a44ce9326498fa97"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/9907405",
    "kind": "arxiv",
    "version": 1
  }
}