pith. sign in
Pith Number

pith:BPO7VP43

pith:2018:BPO7VP433VYRUMBLSV2765ZB2Q
not attested not anchored not stored refs pending

Orbital-free approximations to the kinetic-energy density in exchange-correlation MGGA functionals: tests on solids

Fabien Tran, Georg K. H. Madsen, Leila Kalantari, Peter Blaha, P\'eter Kov\'acs

arxiv:1807.07302 v1 · 2018-07-19 · cond-mat.mtrl-sci

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{BPO7VP433VYRUMBLSV2765ZB2Q}

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 2026-05-18T00:03:46.132887Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

0bddfabf9bdd711a302b9575ff7721d42d52bcd5be3b0b6ac25e90e104367cc5

Aliases

arxiv: 1807.07302 · arxiv_version: 1807.07302v1 · doi: 10.48550/arxiv.1807.07302 · pith_short_12: BPO7VP433VYR · pith_short_16: BPO7VP433VYRUMBL · pith_short_8: BPO7VP43
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/BPO7VP433VYRUMBLSV2765ZB2Q \
  | 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: 0bddfabf9bdd711a302b9575ff7721d42d52bcd5be3b0b6ac25e90e104367cc5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "300a9beab1b1961993e879d2d3a8fbcd7cb03a687096014743f5b57e78e38f20",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-07-19T09:01:27Z",
    "title_canon_sha256": "dfceb6961f9e64d3815c6fbaa61d5e8942dcea84b76453faf358a7c00af88f57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07302",
    "kind": "arxiv",
    "version": 1
  }
}