Pith Number

pith:REWJ3NQO

pith:2021:REWJ3NQORWETSLX6K7LDIWCVZB

not attested not anchored not stored refs pending

AtomSets -- A Hierarchical Transfer Learning Framework for Small and Large Materials Datasets

Chi Chen, Shyue Ping Ong

arxiv:2102.02401 v2 · 2021-02-04 · 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{REWJ3NQORWETSLX6K7LDIWCVZB}

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	2026-07-05T03:26:58.615743Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

892c9db60e8d89392efe57d6345855c86f4d3c3d955eb00967c754117b8183fb

Aliases

arxiv: 2102.02401 · arxiv_version: 2102.02401v2 · doi: 10.48550/arxiv.2102.02401 · pith_short_12: REWJ3NQORWET · pith_short_16: REWJ3NQORWETSLX6 · pith_short_8: REWJ3NQO

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/REWJ3NQORWETSLX6K7LDIWCVZB \
  | 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: 892c9db60e8d89392efe57d6345855c86f4d3c3d955eb00967c754117b8183fb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a13b6dccc64aa0a52f2fdc650b4d15ccc5de6128694bd60bb7c9d85b6259e67",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2021-02-04T04:02:23Z",
    "title_canon_sha256": "2ceac4600e04983cc93f1c1bfce572de69042264febcda13a920652fda95a521"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.02401",
    "kind": "arxiv",
    "version": 2
  }
}