Pith Number

pith:OJ7XDJ4H

pith:2024:OJ7XDJ4HH32KM7WNXUIZTNIK7B

not attested not anchored not stored refs pending

1D Kinetic Energy Density Functionals learned with Symbolic Regression

Michael A.J. Mitchell, Stefano Sanvito, Teresa Del Aguila Ferrandis

arxiv:2412.08143 v1 · 2024-12-11 · 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{OJ7XDJ4HH32KM7WNXUIZTNIK7B}

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	2026-07-05T09:47:44.963760Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

727f71a7873ef4a67ecdbd1199b50af877aa6506cf6d59cf9a1d16a9eb2ec1a3

Aliases

arxiv: 2412.08143 · arxiv_version: 2412.08143v1 · doi: 10.48550/arxiv.2412.08143 · pith_short_12: OJ7XDJ4HH32K · pith_short_16: OJ7XDJ4HH32KM7WN · pith_short_8: OJ7XDJ4H

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/OJ7XDJ4HH32KM7WNXUIZTNIK7B \
  | 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: 727f71a7873ef4a67ecdbd1199b50af877aa6506cf6d59cf9a1d16a9eb2ec1a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0cb9987b4dbe4496bd76b39ed4899c4195f17d0c177fe59a857954de4a7d1d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2024-12-11T07:02:38Z",
    "title_canon_sha256": "cdba66659f0c57f5d174469f9fee08a6151f02bc32de3ce1ecfadd77087c7cdf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2412.08143",
    "kind": "arxiv",
    "version": 1
  }
}