Pith Number

pith:WP6OWNDY

pith:2019:WP6OWNDYNBQELELUKUESPWVNN3

not attested not anchored not stored refs pending

Calculation of the Anisotropic Coefficients of Thermal Expansion: A First-Principles Approach

Nicholas A. Pike, Ole M. L{\o}vvik

arxiv:1903.02783 v1 · 2019-03-07 · 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{WP6OWNDYNBQELELUKUESPWVNN3}

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	2026-05-17T23:51:51.128625Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b3fceb34786860459174550927daad6ef54f5ff9d9aa0aaa7aae13e9d22190db

Aliases

arxiv: 1903.02783 · arxiv_version: 1903.02783v1 · doi: 10.48550/arxiv.1903.02783 · pith_short_12: WP6OWNDYNBQE · pith_short_16: WP6OWNDYNBQELELU · pith_short_8: WP6OWNDY

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/WP6OWNDYNBQELELUKUESPWVNN3 \
  | 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: b3fceb34786860459174550927daad6ef54f5ff9d9aa0aaa7aae13e9d22190db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acfe97f150f3dfad0b85b9885864e64c35aada18b07ba4da7ef543c477d03853",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-03-07T09:22:01Z",
    "title_canon_sha256": "8c876cdf3be2e8d8a3ba27486c8e8e103ccf5b6860ace7ebfbedd23ade3e77d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.02783",
    "kind": "arxiv",
    "version": 1
  }
}