Pith Number

pith:WBW7F4J3

pith:2021:WBW7F4J3HDL5JJWWWQELRHF5SZ

not attested not anchored not stored refs pending

DFTTK: Density Functional Theory ToolKit for High-throughput Lattice Dynamics Calculations

Allison M. Beese, Brandon J. Bocklund, Hojong Kim, Long-Qing Chen, Mingqing Liao, Peng Gao, Shun-Li Shang, Yi Wang, Zi-Kui Liu

arxiv:2107.03966 v2 · 2021-07-08 · 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{WBW7F4J3HDL5JJWWWQELRHF5SZ}

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	2026-07-05T05:54:26.233410Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b06df2f13b38d7d4a6d6b408b89cbd9644f1fab7e6c597cd02e777afc356021a

Aliases

arxiv: 2107.03966 · arxiv_version: 2107.03966v2 · doi: 10.48550/arxiv.2107.03966 · pith_short_12: WBW7F4J3HDL5 · pith_short_16: WBW7F4J3HDL5JJWW · pith_short_8: WBW7F4J3

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/WBW7F4J3HDL5JJWWWQELRHF5SZ \
  | 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: b06df2f13b38d7d4a6d6b408b89cbd9644f1fab7e6c597cd02e777afc356021a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "129406ff272faffb2380e9f9a810fcd3b5cfa75cd06735bf7745ef7f7efea685",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-07-08T16:43:16Z",
    "title_canon_sha256": "09115a255075784d2faf6fbfa571d8e6304466ef9e161739804f4c61e74b956c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.03966",
    "kind": "arxiv",
    "version": 2
  }
}