Pith Number

pith:HFI7KL4H

pith:2025:HFI7KL4H5MJUW45CPX37GHIWVG

not attested not anchored not stored refs pending

Effect of the Gradient of the Spin-Polarization in Density Functional Approximations

John P. Perdew, Rohan Maniar

arxiv:2512.08913 v1 · 2025-12-09 · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HFI7KL4H5MJUW45CPX37GHIWVG}

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	2026-06-03T01:05:08.161150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3951f52f87eb134b73a27df7f31d16a98880df216d1ce441328efe3d57bba287

Aliases

arxiv: 2512.08913 · arxiv_version: 2512.08913v1 · doi: 10.48550/arxiv.2512.08913 · pith_short_12: HFI7KL4H5MJU · pith_short_16: HFI7KL4H5MJUW45C · pith_short_8: HFI7KL4H

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/HFI7KL4H5MJUW45CPX37GHIWVG \
  | 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: 3951f52f87eb134b73a27df7f31d16a98880df216d1ce441328efe3d57bba287

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0c4a9274ae64d59d284b966cffd1c3c11b5231042587823b034f8eefb4268c3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.chem-ph",
    "submitted_at": "2025-12-09T18:51:00Z",
    "title_canon_sha256": "006385f8f0e28ca0e6923fe4e02c5411cfcbb390bb4607d984896146c52d1c09"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2512.08913",
    "kind": "arxiv",
    "version": 1
  }
}