Pith Number

pith:3KK4HIFT

pith:2018:3KK4HIFT7QKGO7SE5GFRC63FV3

not attested not anchored not stored refs pending

Acoustic-Soft Optical Mode Coupling Leads to Negative Thermal Expansion of GeTe near the Ferroelectric Phase Transition

Aoife R. Murphy, {\DJ}or{\dj}e Dangi\'c, \'Eamonn D. Murray, Ivana Savi\'c, Stephen Fahy

arxiv:1804.06790 v2 · 2018-04-18 · 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{3KK4HIFT7QKGO7SE5GFRC63FV3}

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	2026-05-18T00:11:17.477588Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da95c3a0b3fc14677e44e98b117b65aee8996f909bbd957d9c76f29c4e25ed1f

Aliases

arxiv: 1804.06790 · arxiv_version: 1804.06790v2 · doi: 10.48550/arxiv.1804.06790 · pith_short_12: 3KK4HIFT7QKG · pith_short_16: 3KK4HIFT7QKGO7SE · pith_short_8: 3KK4HIFT

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/3KK4HIFT7QKGO7SE5GFRC63FV3 \
  | 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: da95c3a0b3fc14677e44e98b117b65aee8996f909bbd957d9c76f29c4e25ed1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d1f8d51b5845c14c338c8efe75b2f1a98871f475ab2de02c935fef3b0240407",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-04-18T15:35:34Z",
    "title_canon_sha256": "fbe331306b97f29647601d7cded932fabade9046d06cd92ed18456560c4616b0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.06790",
    "kind": "arxiv",
    "version": 2
  }
}