Pith Number

pith:H632NTES

pith:2014:H632NTESPKFTV7KG526LTTKKHC

not attested not anchored not stored refs pending

On low-rank approximability of solutions to high-dimensional operator equations and eigenvalue problems

Andr\'e Uschmajew, Daniel Kressner

arxiv:1406.7026 v3 · 2014-06-26 · math.NA · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H632NTESPKFTV7KG526LTTKKHC}

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	2026-05-18T01:23:16.864535Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3fb7a6cc927a8b3afd46eebcb9cd4a3886534c16c98649618f8cbc454dd7c985

Aliases

arxiv: 1406.7026 · arxiv_version: 1406.7026v3 · doi: 10.48550/arxiv.1406.7026 · pith_short_12: H632NTESPKFT · pith_short_16: H632NTESPKFTV7KG · pith_short_8: H632NTES

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/H632NTESPKFTV7KG526LTTKKHC \
  | 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: 3fb7a6cc927a8b3afd46eebcb9cd4a3886534c16c98649618f8cbc454dd7c985

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3e581773700f0d419ed427b26e337867ef3ffc41dbc6646231505fec20943562",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-06-26T20:57:09Z",
    "title_canon_sha256": "9b1bb00ca96ad49be005c1c1f7981f118fb53e974511d90ce50edd587a795443"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.7026",
    "kind": "arxiv",
    "version": 3
  }
}