pith. sign in
Pith Number

pith:U5DRX435

pith:2013:U5DRX435I7ERXRN3IWB5D5Z7PW
not attested not anchored not stored refs pending

Efficient variational approach to the impurity problem and its application to the dynamical mean-field theory

Alexander A. Demkov, Chungwei Lin

arxiv:1307.4982 v1 · 2013-07-18 · cond-mat.str-el

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{U5DRX435I7ERXRN3IWB5D5Z7PW}

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 2026-05-18T03:18:07.003969Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a7471bf37d47c91bc5bb4583d1f73f7da3cfd5bd5019fd0e89983b13b00b8c7d

Aliases

arxiv: 1307.4982 · arxiv_version: 1307.4982v1 · doi: 10.48550/arxiv.1307.4982 · pith_short_12: U5DRX435I7ER · pith_short_16: U5DRX435I7ERXRN3 · pith_short_8: U5DRX435
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/U5DRX435I7ERXRN3IWB5D5Z7PW \
  | 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: a7471bf37d47c91bc5bb4583d1f73f7da3cfd5bd5019fd0e89983b13b00b8c7d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "3e067a6f542a29255579f5a41db2eac3dfdf771df5afc0a64ed0795deb60502c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.str-el",
    "submitted_at": "2013-07-18T15:34:14Z",
    "title_canon_sha256": "ad722cfa4c51527336c932d4b03da681f27438a23529c07a959e12a092b2912b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.4982",
    "kind": "arxiv",
    "version": 1
  }
}