Pith Number

pith:UNTWWSIW

pith:2004:UNTWWSIWJCWEQKAULLAOP4OKTD

not attested not anchored not stored refs pending

Assessment of density functional approximations: long-range correlations and self-interaction effects

J. E. Alvarellos, J. Jung, P. Garc\'ia-Gonz\'alez, R. W. Godby

arxiv:cond-mat/0404559 v1 · 2004-04-23 · cond-mat.other · 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{UNTWWSIWJCWEQKAULLAOP4OKTD}

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	2026-05-18T01:09:02.357490Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3676b491648ac4828145ac0e7f1ca98c44f233f202d74f6de5ee8282bd9fe2d

Aliases

arxiv: cond-mat/0404559 · arxiv_version: cond-mat/0404559v1 · doi: 10.48550/arxiv.cond-mat/0404559 · pith_short_12: UNTWWSIWJCWE · pith_short_16: UNTWWSIWJCWEQKAU · pith_short_8: UNTWWSIW

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/UNTWWSIWJCWEQKAULLAOP4OKTD \
  | 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: a3676b491648ac4828145ac0e7f1ca98c44f233f202d74f6de5ee8282bd9fe2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f288f5c93cb91f7da00021ecc7990f65695d259680059a2f07a4b6827b6ed7de",
    "cross_cats_sorted": [
      "cond-mat.mtrl-sci"
    ],
    "license": "",
    "primary_cat": "cond-mat.other",
    "submitted_at": "2004-04-23T06:42:04Z",
    "title_canon_sha256": "109744724823e4c67b271eb439db15c5750e0d90d6a763086fa71a0af658006a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0404559",
    "kind": "arxiv",
    "version": 1
  }
}