Pith Number

pith:3KYYQZLR

pith:2019:3KYYQZLRYVZDQRJZOL2EJWNXRK

not attested not anchored not stored refs pending

Reduced-rank Analysis of the Total Least Squares

K. G. Nagananda, Pramod Khargonekar

arxiv:1903.01745 v1 · 2019-03-05 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3KYYQZLRYVZDQRJZOL2EJWNXRK}

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	2026-05-17T23:51:59.874793Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dab1886571c57238453972f444d9b78a88d3e1160e5d8198a2dede410d7fa3e3

Aliases

arxiv: 1903.01745 · arxiv_version: 1903.01745v1 · doi: 10.48550/arxiv.1903.01745 · pith_short_12: 3KYYQZLRYVZD · pith_short_16: 3KYYQZLRYVZDQRJZ · pith_short_8: 3KYYQZLR

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/3KYYQZLRYVZDQRJZOL2EJWNXRK \
  | 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: dab1886571c57238453972f444d9b78a88d3e1160e5d8198a2dede410d7fa3e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a7033fd4144f8b58e5b7e5894718d191b5040e16d31cceb50fab368395a85c15",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-03-05T09:34:01Z",
    "title_canon_sha256": "a7831538b7a4ce2139ef555d0c2fb83167018af02b86d2571b25b47e2edbe10b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.01745",
    "kind": "arxiv",
    "version": 1
  }
}