Pith Number

pith:2UKBBX2F

pith:2019:2UKBBX2FLWCVN5KM5EVBMD355C

not attested not anchored not stored refs pending

Anharmonicity and scissoring modes in the negative thermal expansion materials ScF$_3$ and CaZrF$_6$

Andrew Goodwin, Jessica Woodland-Scott, Jun Chen, Lei Hu, Mark Senn, Michael Wharmby, Tobias Bird

arxiv:1911.12695 v2 · 2019-11-28 · 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{2UKBBX2FLWCVN5KM5EVBMD355C}

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	2026-07-05T00:43:42.929954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d51410df455d8556f54ce92a160f7de88b6edabc44d7a9c77c006f37dc026d27

Aliases

arxiv: 1911.12695 · arxiv_version: 1911.12695v2 · doi: 10.48550/arxiv.1911.12695 · pith_short_12: 2UKBBX2FLWCV · pith_short_16: 2UKBBX2FLWCVN5KM · pith_short_8: 2UKBBX2F

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/2UKBBX2FLWCVN5KM5EVBMD355C \
  | 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: d51410df455d8556f54ce92a160f7de88b6edabc44d7a9c77c006f37dc026d27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c200f2486def526bfb278601bc9b799226319860c3301f348e2b2198971c5986",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2019-11-28T13:20:54Z",
    "title_canon_sha256": "0dc89feda05f7d104eed7b2989a6af20b54fd0546e456e583891e5fd28ecdc72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.12695",
    "kind": "arxiv",
    "version": 2
  }
}