Pith Number

pith:TIFBJS3M

pith:2023:TIFBJS3M42B3EYE75HFGMVQZUD

not attested not anchored not stored refs pending

Structure-Aware Analyses and Algorithms for Interpolative Decompositions

Alex Buzali, Anil Damle, Robin Armstrong

arxiv:2310.09452 v1 · 2023-10-14 · 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{TIFBJS3M42B3EYE75HFGMVQZUD}

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.

Cited by

1 paper in Pith

Collect, Commit, Expand: Efficient CPQR-Based Column Selection for Extremely Wide Matrices

Receipt and verification

First computed	2026-07-05T07:00:48.192857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a0a14cb6ce683b2609fe9ca665619a0e474dee30cb1ebf926f0587d731da794

Aliases

arxiv: 2310.09452 · arxiv_version: 2310.09452v1 · doi: 10.48550/arxiv.2310.09452 · pith_short_12: TIFBJS3M42B3 · pith_short_16: TIFBJS3M42B3EYE7 · pith_short_8: TIFBJS3M

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/TIFBJS3M42B3EYE75HFGMVQZUD \
  | 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: 9a0a14cb6ce683b2609fe9ca665619a0e474dee30cb1ebf926f0587d731da794

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87dd012420a278f7aaa58d34a57723beb9c5e60ec3a80bd62ca3eea31b2a3725",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2023-10-14T00:01:28Z",
    "title_canon_sha256": "e529a1de1b46ad8a301e01f4439e306c25ef74ebe3f9231dc0bfc7fa93660e7f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.09452",
    "kind": "arxiv",
    "version": 1
  }
}