Pith Number

pith:HQISRIYV

pith:2016:HQISRIYVZTQN3QSYCIX5NOZA3M

not attested not anchored not stored refs pending

Fast iterative solution of the Bethe-Salpeter eigenvalue problem using low-rank and QTT tensor approximation

Boris N. Khoromskij, Peter Benner, Sergey Dolgov, Venera Khoromskaia

arxiv:1602.02646 v1 · 2016-02-08 · 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{HQISRIYVZTQN3QSYCIX5NOZA3M}

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	2026-05-18T00:49:19.215708Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c1128a315cce0ddc258122fd6bb20db37f964ea66bd4a7f1fe9cd198fb9d055

Aliases

arxiv: 1602.02646 · arxiv_version: 1602.02646v1 · doi: 10.48550/arxiv.1602.02646 · pith_short_12: HQISRIYVZTQN · pith_short_16: HQISRIYVZTQN3QSY · pith_short_8: HQISRIYV

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/HQISRIYVZTQN3QSYCIX5NOZA3M \
  | 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: 3c1128a315cce0ddc258122fd6bb20db37f964ea66bd4a7f1fe9cd198fb9d055

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "527c18d9c80141d4b9ba796c7e06710a8e1622506daff1209cfe41cf9e663c93",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-08T16:51:06Z",
    "title_canon_sha256": "3738466ef10d00f6e87f24038400a7d9b518822b00a7028f931a418e459a10bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.02646",
    "kind": "arxiv",
    "version": 1
  }
}