Pith Number

pith:Q4O2LY3Y

pith:2023:Q4O2LY3YF7ULADN7UWPHWIF7T5

not attested not anchored not stored refs pending

Dynamic Subspace Estimation with Grassmannian Geodesics

Cameron J. Blocker, Haroon Raja, Jeffrey A. Fessler, Laura Balzano

arxiv:2303.14851 v1 · 2023-03-26 · eess.SP · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q4O2LY3YF7ULADN7UWPHWIF7T5}

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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.

Cited by

1 paper in Pith

A Dynamic Subspace Approach for Low-rank Approximation of Large-scale Nonlinear Systems

Receipt and verification

First computed	2026-07-05T05:54:46.925198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

871da5e3782fe8b00dbfa59e7b20bf9f6af704646b24a929705bc7e3cabaa93b

Aliases

arxiv: 2303.14851 · arxiv_version: 2303.14851v1 · doi: 10.48550/arxiv.2303.14851 · pith_short_12: Q4O2LY3YF7UL · pith_short_16: Q4O2LY3YF7ULADN7 · pith_short_8: Q4O2LY3Y

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/Q4O2LY3YF7ULADN7UWPHWIF7T5 \
  | 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: 871da5e3782fe8b00dbfa59e7b20bf9f6af704646b24a929705bc7e3cabaa93b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "021717af628727abb7499c68808612b4bedd6773374ca70258c3abff5aad98bc",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2023-03-26T23:32:09Z",
    "title_canon_sha256": "d794ce96726813a3313db32b543cf664b897cae5159e2b53e02e9d9460b92150"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2303.14851",
    "kind": "arxiv",
    "version": 1
  }
}