Pith Number

pith:AETKAVSG

pith:2010:AETKAVSGLEINTBHJUAZKWBUTID

not attested not anchored not stored refs pending

A harmonic Lanczos bidiagonalization method for computing interior singular triplets of large matrices

Datian Niu, Xuegang Yuan

arxiv:1001.3258 v1 · 2010-01-19 · math.NA · cs.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{AETKAVSGLEINTBHJUAZKWBUTID}

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	2026-06-03T23:06:32.900179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0126a056465910d984e9a032ab069340cd24362235c9be4cc3d3525106c47cae

Aliases

arxiv: 1001.3258 · arxiv_version: 1001.3258v1 · doi: 10.48550/arxiv.1001.3258 · pith_short_12: AETKAVSGLEIN · pith_short_16: AETKAVSGLEINTBHJ · pith_short_8: AETKAVSG

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/AETKAVSGLEINTBHJUAZKWBUTID \
  | 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: 0126a056465910d984e9a032ab069340cd24362235c9be4cc3d3525106c47cae

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae45fb2af4a07f3f5ae1e4aff01f844696490522bb3be4d837054350eb179078",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-01-19T11:01:21Z",
    "title_canon_sha256": "4e086c404f6407a6914a478694265bbd2b53bf894f1904f686438ee6431a373e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3258",
    "kind": "arxiv",
    "version": 1
  }
}