Pith Number

pith:WXQQPRD2

pith:2002:WXQQPRD24WO5GO7JR7Z7KHJKQZ

not attested not anchored not stored refs pending

Thermal Expansion and Diffusion Coefficients of Carbon Nanotube-Polymer Composites

Chenyu Wei, Deepak Srivastava, Kyeongjae Cho

arxiv:cond-mat/0203349 v1 · 2002-03-17 · 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{WXQQPRD24WO5GO7JR7Z7KHJKQZ}

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	2026-05-18T01:40:03.902277Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5e107c47ae59dd33be98ff3f51d2a865412cd40df1030303bcdb4b82638459c

Aliases

arxiv: cond-mat/0203349 · arxiv_version: cond-mat/0203349v1 · doi: 10.48550/arxiv.cond-mat/0203349 · pith_short_12: WXQQPRD24WO5 · pith_short_16: WXQQPRD24WO5GO7J · pith_short_8: WXQQPRD2

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/WXQQPRD24WO5GO7JR7Z7KHJKQZ \
  | 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: b5e107c47ae59dd33be98ff3f51d2a865412cd40df1030303bcdb4b82638459c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "448f5ac895e386c509cd78faff7a22748e7fae99a67ef2dff90e57b4f0349813",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2002-03-17T22:45:07Z",
    "title_canon_sha256": "2bbb7665080c31c6550da46cfa873455b38b82d8e4632076da911970c6690721"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0203349",
    "kind": "arxiv",
    "version": 1
  }
}