Pith Number

pith:YXAULPV2

pith:2001:YXAULPV2TUYCDAECNVQEAM7G5T

not attested not anchored not stored refs pending

Improved tensor-product expansions for the two-particle density matrix

G\'abor Cs\'anyi, Stefan Goedecker, T.A. Arias

arxiv:cond-mat/0107536 v2 · 2001-07-26 · 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{YXAULPV2TUYCDAECNVQEAM7G5T}

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	2026-07-04T16:26:02.953258Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5c145beba9d302180826d604033e6ecc759e06f4b7e84897fca871dc3227c54

Aliases

arxiv: cond-mat/0107536 · arxiv_version: cond-mat/0107536v2 · doi: 10.48550/arxiv.cond-mat/0107536 · pith_short_12: YXAULPV2TUYC · pith_short_16: YXAULPV2TUYCDAEC · pith_short_8: YXAULPV2

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/YXAULPV2TUYCDAECNVQEAM7G5T \
  | 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: c5c145beba9d302180826d604033e6ecc759e06f4b7e84897fca871dc3227c54

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "285bf523812073a99d37069f5998dc789aab25df52e81bbb996878452b7c1467",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cond-mat.mtrl-sci",
    "submitted_at": "2001-07-26T03:59:36Z",
    "title_canon_sha256": "9d00e2b8a64f1d6d666ee2f1179d9291971f541791f033ded3b608afdb232eb8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cond-mat/0107536",
    "kind": "arxiv",
    "version": 2
  }
}