Pith Number

pith:US3IARIS

pith:2016:US3IARISPHYRJSBGWH7EDSH6RM

not attested not anchored not stored refs pending

Structural Convergence Results for Approximation of Dominant Subspaces from Block Krylov Spaces

Eugenia-Maria Kontopoulou, Ilse Ipsen, Malik Magdon-Ismail, Petros Drineas

arxiv:1609.00671 v2 · 2016-09-02 · cs.NA · 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{US3IARISPHYRJSBGWH7EDSH6RM}

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	2026-05-18T00:44:45.912360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4b680451279f114c826b1fe41c8fe8b1998b7e42b1311d3574063ac4cc54847

Aliases

arxiv: 1609.00671 · arxiv_version: 1609.00671v2 · doi: 10.48550/arxiv.1609.00671 · pith_short_12: US3IARISPHYR · pith_short_16: US3IARISPHYRJSBG · pith_short_8: US3IARIS

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/US3IARISPHYRJSBGWH7EDSH6RM \
  | 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: a4b680451279f114c826b1fe41c8fe8b1998b7e42b1311d3574063ac4cc54847

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8f7b06347aae5ae3661e1bd60a470a26968a8a7fbfe91be3a5e9aa1340c7d70a",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2016-09-02T17:20:46Z",
    "title_canon_sha256": "e7f81fd867c5d0ab13aca378d08a48f5dac6a0fc8022726901c7aec62ca47ed5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.00671",
    "kind": "arxiv",
    "version": 2
  }
}