Pith Number

pith:HWKNRNMX

pith:2018:HWKNRNMXHKKBPCWPCS3FSYZN6F

not attested not anchored not stored refs pending

Optimal power series expansions of the Kohn-Sham potential

Nikitas I. Gidopoulos, Timothy J. Callow

arxiv:1805.12239 v1 · 2018-05-30 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HWKNRNMXHKKBPCWPCS3FSYZN6F}

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	2026-05-18T00:04:07.643019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d94d8b5973a94178acf14b659632df1510973d9312bc5bd362c3fa853305442

Aliases

arxiv: 1805.12239 · arxiv_version: 1805.12239v1 · doi: 10.48550/arxiv.1805.12239 · pith_short_12: HWKNRNMXHKKB · pith_short_16: HWKNRNMXHKKBPCWP · pith_short_8: HWKNRNMX

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/HWKNRNMXHKKBPCWPCS3FSYZN6F \
  | 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: 3d94d8b5973a94178acf14b659632df1510973d9312bc5bd362c3fa853305442

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58eda01fdfa832b64c77b5b555df68dfd46bc17957b0ed54a177b7e52841f0ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2018-05-30T21:51:29Z",
    "title_canon_sha256": "0333efb8f6763604b2f018b248cafceef09d513b69de35b8ac1c731489c6ddf1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.12239",
    "kind": "arxiv",
    "version": 1
  }
}