Pith Number

pith:BFRGGHUF

pith:2010:BFRGGHUFUUHPNWC3SM4HFT272L

not attested not anchored not stored refs pending

Variational approach for the electronic structure calculation on the second-order reduced density matrices and the $N$-representability problem

Katsuki Fujisawa, Maho Nakata, Mituhiro Fukuda

arxiv:1010.4095 v2 · 2010-10-20 · cond-mat.str-el

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BFRGGHUFUUHPNWC3SM4HFT272L}

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	2026-05-18T04:19:23.177683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0962631e85a50ef6d85b933872cf5fd2e05d4f9a9842c179ee23f8e8e1d361ad

Aliases

arxiv: 1010.4095 · arxiv_version: 1010.4095v2 · doi: 10.48550/arxiv.1010.4095 · pith_short_12: BFRGGHUFUUHP · pith_short_16: BFRGGHUFUUHPNWC3 · pith_short_8: BFRGGHUF

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/BFRGGHUFUUHPNWC3SM4HFT272L \
  | 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: 0962631e85a50ef6d85b933872cf5fd2e05d4f9a9842c179ee23f8e8e1d361ad

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47042d1cbde879296d71516b5167b608dbd1a61c06a7546db45d11dc212e77e6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2010-10-20T03:34:00Z",
    "title_canon_sha256": "0c50dc02ecdac4613b25289aeb7e4e22e06b400c963a547465810de3b618f4f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.4095",
    "kind": "arxiv",
    "version": 2
  }
}