Pith Number

pith:G2LJ3E43

pith:2015:G2LJ3E43BTYZRKW2KCSBBEVZKC

not attested not anchored not stored refs pending

Defect-dependent colossal negative thermal expansion in UiO-66(Hf) metal-organic framework

Andrew L. Goodwin, Claire A. Murray, Francois-Xavier Coudert, Joshua A. Hill, Matthew J. Cliffe

arxiv:1503.01668 v2 · 2015-03-05 · cond-mat.mtrl-sci

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

Receipt and verification

First computed	2026-05-18T01:10:43.104945Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

36969d939b0cf198aada50a41092b950814ab8f13aeabd45d4c1f12988052f17

Aliases

arxiv: 1503.01668 · arxiv_version: 1503.01668v2 · doi: 10.48550/arxiv.1503.01668

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/G2LJ3E43BTYZRKW2KCSBBEVZKC \
  | 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: 36969d939b0cf198aada50a41092b950814ab8f13aeabd45d4c1f12988052f17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c96502c8691be4d598cce1702b535d84dc8cd6cc2774fad22b062a12a9653c4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2015-03-05T15:47:45Z",
    "title_canon_sha256": "ded5dfeba71c7557e097beef17fb606e43a88525e8ec59057577247bd0b3705a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01668",
    "kind": "arxiv",
    "version": 2
  }
}