Pith Number

pith:QWIF5YL5

pith:2025:QWIF5YL5I4ZNUERIVLBHUSTGL2

not attested not anchored not stored refs pending

Does chemistry need more physics ?

Trond Saue

arxiv:2504.19003 v1 · 2025-04-26 · 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{QWIF5YL5I4ZNUERIVLBHUSTGL2}

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.

Cited by

1 paper in Pith

Linear-Response Quantum-Electrodynamical Density Functional Theory Based on Two-Component X2C Hamiltonians

Receipt and verification

First computed	2026-07-05T10:54:50.383240Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85905ee17d4732da1228aac27a4a665ea6f733c52d2a1e72e6e7aea6154d5ccf

Aliases

arxiv: 2504.19003 · arxiv_version: 2504.19003v1 · doi: 10.48550/arxiv.2504.19003 · pith_short_12: QWIF5YL5I4ZN · pith_short_16: QWIF5YL5I4ZNUERI · pith_short_8: QWIF5YL5

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/QWIF5YL5I4ZNUERIVLBHUSTGL2 \
  | 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: 85905ee17d4732da1228aac27a4a665ea6f733c52d2a1e72e6e7aea6154d5ccf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6df7827f9c0a89a205539a4226e58bdfeeec73fadcfdb1b47b38b2b50b03b83e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2025-04-26T19:19:52Z",
    "title_canon_sha256": "890a45ec4901f21a08661bf4fd671ea136e7f8d2c50a884cb9995f6d14baf7ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.19003",
    "kind": "arxiv",
    "version": 1
  }
}