Pith Number

pith:3PZDAQ5X

pith:2025:3PZDAQ5XSR6XNY4ZV2ZEJFFBOX

not attested not anchored not stored refs pending

The Conundrum of Diffuse Basis Sets: A Blessing for Accuracy yet a Curse for Sparsity

Henryk Laqua, Linus Bjarne Dittmer, Martin Head-Gordon

arxiv:2502.04631 v1 · 2025-02-07 · 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{3PZDAQ5XSR6XNY4ZV2ZEJFFBOX}

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	2026-07-05T11:08:40.215404Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbf23043b7947d76e399aeb24494a175d3a9938d7af818c343dacefcc019c5a0

Aliases

arxiv: 2502.04631 · arxiv_version: 2502.04631v1 · doi: 10.48550/arxiv.2502.04631 · pith_short_12: 3PZDAQ5XSR6X · pith_short_16: 3PZDAQ5XSR6XNY4Z · pith_short_8: 3PZDAQ5X

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/3PZDAQ5XSR6XNY4ZV2ZEJFFBOX \
  | 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: dbf23043b7947d76e399aeb24494a175d3a9938d7af818c343dacefcc019c5a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e63a78b92a33e73a48dc0976074fa45e9e45547f6dbd044bfd94221b653fd664",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2025-02-07T03:20:25Z",
    "title_canon_sha256": "588c3ad33f45fe8a0fc1f7a168db066f35e762d480ede5e1b21553561f6c3916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.04631",
    "kind": "arxiv",
    "version": 1
  }
}