Pith Number

pith:7LJ6JQ7J

pith:2025:7LJ6JQ7JEX523BW36B55ZMJZXD

not attested not anchored not stored refs pending

Tunable Thermal Expansion in Functionalized 2D Boron Nitride: A First-Principles Investigation

Dobin Kim, Jaehyun Park, Satadeep Bhattacharjee, Seung-Cheol Lee, Sk Mujaffar Hossain

arxiv:2504.20443 v1 · 2025-04-29 · 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{7LJ6JQ7JEX523BW36B55ZMJZXD}

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	2026-07-05T10:55:42.895861Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fad3e4c3e925fbad86dbf07bdcb139b8d0b6dfe97b1260dd16eca24029b7db87

Aliases

arxiv: 2504.20443 · arxiv_version: 2504.20443v1 · doi: 10.48550/arxiv.2504.20443 · pith_short_12: 7LJ6JQ7JEX52 · pith_short_16: 7LJ6JQ7JEX523BW3 · pith_short_8: 7LJ6JQ7J

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/7LJ6JQ7JEX523BW36B55ZMJZXD \
  | 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: fad3e4c3e925fbad86dbf07bdcb139b8d0b6dfe97b1260dd16eca24029b7db87

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c593c4c2916482ac54a4063e8ec51762b7366752639445bcc7161cba7074ab6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2025-04-29T05:35:18Z",
    "title_canon_sha256": "8c734de80c3cd8f39835ed980eac016bfe11519e26fef1938943658611735f3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.20443",
    "kind": "arxiv",
    "version": 1
  }
}