Pith Number

pith:KW4GH5SO

pith:2006:KW4GH5SOG76YIO5CHQTQHNJKKE

not attested not anchored not stored refs pending

In Search of Microscopic Evidence for Molecular Level Negative Thermal Expansion in Fullerenes

F. Cimpoesu, H. Takagi, J. Cao, J. L. Musfeldt, N. Dragoe, R. J. Cross, S. Brown, S. Ito

arxiv:cond-mat/0602519 v1 · 2006-02-22 · 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{KW4GH5SOG76YIO5CHQTQHNJKKE}

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	2026-07-04T14:53:12.977958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

55b863f64e37fd843ba23c2703b52a5107c32f92d1a5e160a2ae43d4b2b60da9

Aliases

arxiv: cond-mat/0602519 · arxiv_version: cond-mat/0602519v1 · doi: 10.48550/arxiv.cond-mat/0602519 · pith_short_12: KW4GH5SOG76Y · pith_short_16: KW4GH5SOG76YIO5C · pith_short_8: KW4GH5SO

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/KW4GH5SOG76YIO5CHQTQHNJKKE \
  | 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: 55b863f64e37fd843ba23c2703b52a5107c32f92d1a5e160a2ae43d4b2b60da9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aaa2a2d414cfa35d00d024ab9a6f0d13223269c88073017110c97c6e5bbec78b",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2006-02-22T15:06:46Z",
    "title_canon_sha256": "02df0bf1efffc107c7458c4b06d0bc988a4338ce91dc050ff1a4a1529a6c63e9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0602519",
    "kind": "arxiv",
    "version": 1
  }
}