Pith Number

pith:KUGYKOBS

pith:2011:KUGYKOBS32STUH3G754AXUXHHT

not attested not anchored not stored refs pending

Negative thermal expansion in ZnF$_2$

Mohamed Zbiri, Tapan Chatterji, Thomas C. Hansen

arxiv:1104.3529 v1 · 2011-04-18 · 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{KUGYKOBS32STUH3G754AXUXHHT}

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	2026-05-18T03:52:12.446743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

550d853832dea53a1f66ff780bd2e73cecce89dd2b40ff027829dd98e96e1533

Aliases

arxiv: 1104.3529 · arxiv_version: 1104.3529v1 · doi: 10.48550/arxiv.1104.3529 · pith_short_12: KUGYKOBS32ST · pith_short_16: KUGYKOBS32STUH3G · pith_short_8: KUGYKOBS

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/KUGYKOBS32STUH3G754AXUXHHT \
  | 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: 550d853832dea53a1f66ff780bd2e73cecce89dd2b40ff027829dd98e96e1533

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "364e227ef1faf80d8cfb6cfb245c537b611bd9e0b6c83d9df6b320c4870bb161",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2011-04-18T16:03:49Z",
    "title_canon_sha256": "af0125ac7a3e1f67eb15ae04e96e816cc54f2ca3d3f4287113ca9bbf9349d697"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3529",
    "kind": "arxiv",
    "version": 1
  }
}