Pith Number

pith:CJ47GKCH

pith:2015:CJ47GKCHYQVPQQC4O2RZPAMCKP

not attested not anchored not stored refs pending

A reduced basis approach for calculation of the Bethe-Salpeter excitation energies using low-rank tensor factorizations

Boris N. Khoromskij, Peter Benner, Venera Khoromskaia

arxiv:1505.02696 v1 · 2015-05-11 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CJ47GKCHYQVPQQC4O2RZPAMCKP}

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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	2026-05-18T01:15:46.792287Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1279f32847c42af8405c76a397818253d3e5e6daae6b7829900aaa90157892f5

Aliases

arxiv: 1505.02696 · arxiv_version: 1505.02696v1 · doi: 10.48550/arxiv.1505.02696 · pith_short_12: CJ47GKCHYQVP · pith_short_16: CJ47GKCHYQVPQQC4 · pith_short_8: CJ47GKCH

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/CJ47GKCHYQVPQQC4O2RZPAMCKP \
  | 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: 1279f32847c42af8405c76a397818253d3e5e6daae6b7829900aaa90157892f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a771756dbe3809d8070716797794023e1ec39cef3026a95294d48ba7e54fcc18",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-05-11T16:27:14Z",
    "title_canon_sha256": "4250884e17c637ff94fb6dd5aa745d868eb711165eee5629bc99d448c36f0e90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.02696",
    "kind": "arxiv",
    "version": 1
  }
}