Pith Number

pith:XPRKMQFQ

pith:2026:XPRKMQFQSGE5FYOH3P2S357BWP

not attested not anchored not stored refs pending

Analysis of Power Iteration Algorithm with Partially Observed Matrix-vector Products

Lior Horesh, Shashanka Ubaru, Soumyadip Ghosh, Tomasz Nowicki, Vassilis Kalantzis, Yingdong Lu

arxiv:2606.11956 v1 · 2026-06-10 · 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{XPRKMQFQSGE5FYOH3P2S357BWP}

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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	2026-06-11T01:10:17.976090Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bbe2a640b09189d2e1c7dbf52df7e1b3c0a38eb0aa56ccbf512f4b6e5db7222e

Aliases

arxiv: 2606.11956 · arxiv_version: 2606.11956v1 · doi: 10.48550/arxiv.2606.11956 · pith_short_12: XPRKMQFQSGE5 · pith_short_16: XPRKMQFQSGE5FYOH · pith_short_8: XPRKMQFQ

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/XPRKMQFQSGE5FYOH3P2S357BWP \
  | 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: bbe2a640b09189d2e1c7dbf52df7e1b3c0a38eb0aa56ccbf512f4b6e5db7222e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cda76f92d63cea3952b48ab5c01dad3dbab42b4d30f7fe718449245e8cb18477",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2026-06-10T11:32:06Z",
    "title_canon_sha256": "7c5fcf568ae135b72d50602a83589be62debfda3174c3c29a74c40078362c8d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.11956",
    "kind": "arxiv",
    "version": 1
  }
}