Pith Number

pith:CZM6D4HE

pith:2025:CZM6D4HE7WKWU2W3SHIIKCXSS6

not attested not anchored not stored refs pending

Refining embeddings with fill-tuning: data-efficient generalised performance improvements for materials foundation models

Edward O. Pyzer-Knapp, Luke Dicks, Matthew P. Wilson, Nicolas Galichet

arxiv:2502.13886 v1 · 2025-02-19 · cs.LG · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CZM6D4HE7WKWU2W3SHIIKCXSS6}

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	2026-07-05T10:17:02.033333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1659e1f0e4fd956a6adb91d0850af297b2ee175c4a0465c9585ed4a37cdec139

Aliases

arxiv: 2502.13886 · arxiv_version: 2502.13886v1 · doi: 10.48550/arxiv.2502.13886 · pith_short_12: CZM6D4HE7WKW · pith_short_16: CZM6D4HE7WKWU2W3 · pith_short_8: CZM6D4HE

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/CZM6D4HE7WKWU2W3SHIIKCXSS6 \
  | 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: 1659e1f0e4fd956a6adb91d0850af297b2ee175c4a0465c9585ed4a37cdec139

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7ef7f0857683315a20578b136b71bf0296101b057d1c608200b75622d59bee92",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2025-02-19T17:17:13Z",
    "title_canon_sha256": "55febc7d62d93010cc0395ae1ec1d01d35b6556eff157b52afc9e1cd9cd6a92c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.13886",
    "kind": "arxiv",
    "version": 1
  }
}