Pith Number

pith:DGQD2U32

pith:2022:DGQD2U32YO7GDM437U5MJIG67X

not attested not anchored not stored refs pending

Polar Metals Taxonomy for Materials Classification and Discovery

Daniel Hickox-Young, Danilo Puggioni, James M. Rondinelli

arxiv:2210.05110 v2 · 2022-10-11 · 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{DGQD2U32YO7GDM437U5MJIG67X}

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	2026-07-05T05:31:35.193147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19a03d537ac3be61b39bfd3ac4a0defddececda6d5116765a605785db8cf4a78

Aliases

arxiv: 2210.05110 · arxiv_version: 2210.05110v2 · doi: 10.48550/arxiv.2210.05110 · pith_short_12: DGQD2U32YO7G · pith_short_16: DGQD2U32YO7GDM43 · pith_short_8: DGQD2U32

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/DGQD2U32YO7GDM437U5MJIG67X \
  | 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: 19a03d537ac3be61b39bfd3ac4a0defddececda6d5116765a605785db8cf4a78

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3092252231b47704c52ceaa99476c8edbb96b18a939d5a7bc10a95e0897bdb9c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2022-10-11T02:55:58Z",
    "title_canon_sha256": "cb5222375d2da60a51ccf0f1da9a348a16d333cffc07589cef254a88bc9e8ae0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.05110",
    "kind": "arxiv",
    "version": 2
  }
}