Pith Number

pith:YNF6ZPDI

pith:2018:YNF6ZPDIY7BSXZZEY6DUUPCNJY

not attested not anchored not stored refs pending

Unified formulation of fundamental and optical gap problems in density-functional theory for ensembles

Bruno Senjean, Emmanuel Fromager

arxiv:1805.08715 v4 · 2018-05-22 · physics.chem-ph · cond-mat.str-el

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNF6ZPDIY7BSXZZEY6DUUPCNJY}

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	2026-05-18T00:07:07.106387Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c34becbc68c7c32be724c7874a3c4d4e303302c5441c18deea93d9768361593d

Aliases

arxiv: 1805.08715 · arxiv_version: 1805.08715v4 · doi: 10.48550/arxiv.1805.08715 · pith_short_12: YNF6ZPDIY7BS · pith_short_16: YNF6ZPDIY7BSXZZE · pith_short_8: YNF6ZPDI

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/YNF6ZPDIY7BSXZZEY6DUUPCNJY \
  | 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: c34becbc68c7c32be724c7874a3c4d4e303302c5441c18deea93d9768361593d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "83085452a007176f9064897f2e7a7c2e201c8a49931c9f2b2e67cf7828b4d69e",
    "cross_cats_sorted": [
      "cond-mat.str-el"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-05-22T16:23:20Z",
    "title_canon_sha256": "13221c0ec0cb776e8baa70eba46c2b0d75f1e00ebced1271f2c3bdbf4f5eaf5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.08715",
    "kind": "arxiv",
    "version": 4
  }
}