Pith Number

pith:RIRJUMKN

pith:2014:RIRJUMKNO3UP25XHRDRSSEJ73S

not attested not anchored not stored refs pending

Computing the log-determinant of symmetric, diagonally dominant matrices in near-linear time

Ahmed El Alaoui, Alexandre Bayen, Timothy Hunter

arxiv:1408.1693 v1 · 2014-08-08 · cs.NA · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RIRJUMKNO3UP25XHRDRSSEJ73S}

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	2026-05-18T02:45:39.214276Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8a229a314d76e8fd76e788e329113fdcaf8aa3972fc388067d6dd3399478876a

Aliases

arxiv: 1408.1693 · arxiv_version: 1408.1693v1 · doi: 10.48550/arxiv.1408.1693 · pith_short_12: RIRJUMKNO3UP · pith_short_16: RIRJUMKNO3UP25XH · pith_short_8: RIRJUMKN

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/RIRJUMKNO3UP25XHRDRSSEJ73S \
  | 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: 8a229a314d76e8fd76e788e329113fdcaf8aa3972fc388067d6dd3399478876a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15d2b24f601c6f54457c7f33460607f52ec7d8f8d25d5b613c3fc459e951c84e",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NA",
    "submitted_at": "2014-08-08T05:15:37Z",
    "title_canon_sha256": "b0c7c94d1b1a95d7fbe5983a754b435959c0edd1154ace0ea81255a8e6d9181f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1693",
    "kind": "arxiv",
    "version": 1
  }
}