Pith Number

pith:YMFI7PUN

pith:2011:YMFI7PUN2VW2PNFYVTGEGPD2PH

not attested not anchored not stored refs pending

Effective partitioning method for computing weighted Moore-Penrose inverse

M.B, M.D., Petkovi\'c, P.S., Stanimirovi\'c, Tasi\'c

arxiv:1104.1690 v1 · 2011-04-09 · cs.SC · cs.DS · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YMFI7PUN2VW2PNFYVTGEGPD2PH}

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	2026-05-18T04:24:43.366384Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c30a8fbe8dd56da7b4b8accc433c7a79ff4cc00dac8db29c6a5e9e6d7eafd415

Aliases

arxiv: 1104.1690 · arxiv_version: 1104.1690v1 · doi: 10.48550/arxiv.1104.1690 · pith_short_12: YMFI7PUN2VW2 · pith_short_16: YMFI7PUN2VW2PNFY · pith_short_8: YMFI7PUN

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/YMFI7PUN2VW2PNFYVTGEGPD2PH \
  | 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: c30a8fbe8dd56da7b4b8accc433c7a79ff4cc00dac8db29c6a5e9e6d7eafd415

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2019338fee83cf06590ad464166b3c298247a262fb4cfc80f154c5c8fde6a29",
    "cross_cats_sorted": [
      "cs.DS",
      "math.FA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2011-04-09T11:31:06Z",
    "title_canon_sha256": "19aa5b2265e8aba20d89b8ebbdf0fd547ab74bee62e6ab52a8c83c40628476da"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1690",
    "kind": "arxiv",
    "version": 1
  }
}