Pith Number

pith:YQZZ3YKY

pith:2022:YQZZ3YKYDAEBYRFD3GXQBIPRTK

not attested not anchored not stored refs pending

Training-free hyperparameter optimization of neural networks for electronic structures in matter

Attila Cangi, Gabriel A. Popoola, J. Austin Ellis, Lenz Fiedler, Nils Hoffmann, Parvez Mohammed, Siva Rajamanickam, Tamar Yovell, Vladyslav Oles

arxiv:2202.09186 v3 · 2022-02-18 · 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{YQZZ3YKYDAEBYRFD3GXQBIPRTK}

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	2026-07-05T05:22:28.569877Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4339de15818081c44a3d9af00a1f19a8f69fb87384c9e51d1686ad7331add56

Aliases

arxiv: 2202.09186 · arxiv_version: 2202.09186v3 · doi: 10.48550/arxiv.2202.09186 · pith_short_12: YQZZ3YKYDAEB · pith_short_16: YQZZ3YKYDAEBYRFD · pith_short_8: YQZZ3YKY

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/YQZZ3YKYDAEBYRFD3GXQBIPRTK \
  | 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: c4339de15818081c44a3d9af00a1f19a8f69fb87384c9e51d1686ad7331add56

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff917bf99bab042b98f6894bdbbad63a63eaf3eb3717b2fcbbbf4ae8185bef71",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2022-02-18T13:30:36Z",
    "title_canon_sha256": "80db548c31ae0923ac30df97fdf685b39529e225589a7c4d1b101168cde752f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.09186",
    "kind": "arxiv",
    "version": 3
  }
}