Pith Number

pith:2WQYDHFT

pith:2025:2WQYDHFTPQJPVY3CRGONKWJCV7

not attested not anchored not stored refs pending

Density Functional Theory ToolKit (DFTTK) to Automate First-Principles Thermodynamics via the Quasiharmonic Approximation

Axel van de Walle, Luke Allen Myers, Nigel Lee En Hew, Shun-Li Shang, Zi-Kui Liu

arxiv:2504.17027 v1 · 2025-04-23 · cond-mat.mtrl-sci

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2WQYDHFTPQJPVY3CRGONKWJCV7}

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	2026-07-05T10:53:20.838926Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5a1819cb37c12fae362899cd55922afca8e1190642a3cd9a23a5aa4d4f264fd

Aliases

arxiv: 2504.17027 · arxiv_version: 2504.17027v1 · doi: 10.48550/arxiv.2504.17027 · pith_short_12: 2WQYDHFTPQJP · pith_short_16: 2WQYDHFTPQJPVY3C · pith_short_8: 2WQYDHFT

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/2WQYDHFTPQJPVY3CRGONKWJCV7 \
  | 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: d5a1819cb37c12fae362899cd55922afca8e1190642a3cd9a23a5aa4d4f264fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8cc22de3850106a2298693c3e421b5ae849339cb4f4e392c56d714923091bbe",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2025-04-23T18:13:26Z",
    "title_canon_sha256": "bc6a7df9e050c2edb12f0b9a8ebf2641ac80c28a4795408eb899953c9637641a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.17027",
    "kind": "arxiv",
    "version": 1
  }
}