Pith Number

pith:PXIKUENF

pith:2018:PXIKUENF3SQ3EZ7JANNBVHZH4Q

not attested not anchored not stored refs pending

Precise Kohn-Sham total-energy calculations at reduced cost

Rudolf Zeller

arxiv:1811.06788 v1 · 2018-11-16 · physics.comp-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{PXIKUENF3SQ3EZ7JANNBVHZH4Q}

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	2026-05-18T00:00:33.870385Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7dd0aa11a5dca1b267e9035a1a9f27e41e4f47243b8ae852fe2398c3d11dc856

Aliases

arxiv: 1811.06788 · arxiv_version: 1811.06788v1 · doi: 10.48550/arxiv.1811.06788 · pith_short_12: PXIKUENF3SQ3 · pith_short_16: PXIKUENF3SQ3EZ7J · pith_short_8: PXIKUENF

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/PXIKUENF3SQ3EZ7JANNBVHZH4Q \
  | 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: 7dd0aa11a5dca1b267e9035a1a9f27e41e4f47243b8ae852fe2398c3d11dc856

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb4e5150fef091d011e8714e738d0dacdf109f81891b4f46cf0d821d3ce88405",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.comp-ph",
    "submitted_at": "2018-11-16T12:57:37Z",
    "title_canon_sha256": "e3343301a9b0afd4b2bb8e8b0ccc79093f46d19a8eafdb655a58c4f34ee19569"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.06788",
    "kind": "arxiv",
    "version": 1
  }
}