Pith Number

pith:7ZEUS7YQ

pith:2021:7ZEUS7YQR3DN2GKSEIHLVOD6WJ

not attested not anchored not stored refs pending

Unified chemical theory of structure and bonding in elemental metals

Chris J. Pickard, Lei Zhao, Maosheng Miao, Russell J. Hemley, Yonghao Zheng, Yuanhui Sun

arxiv:2109.09305 v2 · 2021-09-20 · cond-mat.mtrl-sci · cond-mat.other

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7ZEUS7YQR3DN2GKSEIHLVOD6WJ}

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	2026-07-05T04:34:26.551254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe49497f108ec6dd1952220ebab87eb275e70754d6c5d7ab962a0c6b4663cc98

Aliases

arxiv: 2109.09305 · arxiv_version: 2109.09305v2 · doi: 10.48550/arxiv.2109.09305 · pith_short_12: 7ZEUS7YQR3DN · pith_short_16: 7ZEUS7YQR3DN2GKS · pith_short_8: 7ZEUS7YQ

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/7ZEUS7YQR3DN2GKSEIHLVOD6WJ \
  | 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: fe49497f108ec6dd1952220ebab87eb275e70754d6c5d7ab962a0c6b4663cc98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f45927f6b2bcd4b5a1ccae5b262829f1daaf1eee0aaccb0daea5f108ae691b9e",
    "cross_cats_sorted": [
      "cond-mat.other"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-09-20T05:35:35Z",
    "title_canon_sha256": "4adfb77851ada1e8f37998401dda20c6dddd7a88915188f7dc65493112e646fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09305",
    "kind": "arxiv",
    "version": 2
  }
}