Pith Number

pith:DZ4KNN3I

pith:2018:DZ4KNN3IWTSMUC5NJ77B3RVK22

not attested not anchored not stored refs pending

Optical vs electronic gap of hafnia by ab initio Bethe-Salpeter equation

Alberto Dragoni, Beno\^it Skl\'enard, Fran\c{c}ois Triozon, Valerio Olevano

arxiv:1811.02362 v1 · 2018-11-06 · 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{DZ4KNN3IWTSMUC5NJ77B3RVK22}

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	2026-05-18T00:00:46.920305Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e78a6b768b4e4ca0bad4ffe1dc6aad6accab7a0715b19011616617a49c7bb5d

Aliases

arxiv: 1811.02362 · arxiv_version: 1811.02362v1 · doi: 10.48550/arxiv.1811.02362 · pith_short_12: DZ4KNN3IWTSM · pith_short_16: DZ4KNN3IWTSMUC5N · pith_short_8: DZ4KNN3I

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/DZ4KNN3IWTSMUC5NJ77B3RVK22 \
  | 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: 1e78a6b768b4e4ca0bad4ffe1dc6aad6accab7a0715b19011616617a49c7bb5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fc3779765277da4635bdd7fa18ee027ed006168010d16f03e8dbd3a020fa3f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2018-11-06T14:19:47Z",
    "title_canon_sha256": "c5290d466819bfee92dfe6ea150d5c4697a724550f51c761edd5f1d153c9d58f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.02362",
    "kind": "arxiv",
    "version": 1
  }
}