Pith Number

pith:PT6CIFYN

pith:2018:PT6CIFYNPJSSCJCAQYISSPMT54

not attested not anchored not stored refs pending

Negative thermal expansion near the precipice of structural stability in open perovskites

Connor A. Occhialini, G. G. Guzm\'an-Verri, Jason N. Hancock, Sahan U. Handunkanda

arxiv:1809.11040 v1 · 2018-09-28 · 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{PT6CIFYNPJSSCJCAQYISSPMT54}

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	2026-05-18T00:01:19.275519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7cfc24170d7a652124408611293d93ef2ee928d97c985162e6bbcf784d2a3e44

Aliases

arxiv: 1809.11040 · arxiv_version: 1809.11040v1 · doi: 10.48550/arxiv.1809.11040 · pith_short_12: PT6CIFYNPJSS · pith_short_16: PT6CIFYNPJSSCJCA · pith_short_8: PT6CIFYN

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/PT6CIFYNPJSSCJCAQYISSPMT54 \
  | 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: 7cfc24170d7a652124408611293d93ef2ee928d97c985162e6bbcf784d2a3e44

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f48c86ac7d62a8a3ccd11e9786824246dceaaa64cac988a8a2ca0763af58812",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-09-28T14:07:08Z",
    "title_canon_sha256": "cbd3507cb0e8be72a0edaab8f18265c3a727ae1d56136b21187a7390a1b75964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.11040",
    "kind": "arxiv",
    "version": 1
  }
}