Pith Number

pith:WWQLGMG2

pith:2014:WWQLGMG2ZTL7AXB6QU3NPPFRC6

not attested not anchored not stored refs pending

A Lower-Upper-Lower Block Triangular Decomposition with Minimal Off-Diagonal Ranks

Fran\c{c}ois Serre, Markus P\"uschel

arxiv:1408.0994 v2 · 2014-08-05 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WWQLGMG2ZTL7AXB6QU3NPPFRC6}

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	2026-05-18T00:32:21.881563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5a0b330daccd7f05c3e8536d7bcb117abb0e323ddc5cefa59653aff841554bf

Aliases

arxiv: 1408.0994 · arxiv_version: 1408.0994v2 · doi: 10.48550/arxiv.1408.0994 · pith_short_12: WWQLGMG2ZTL7 · pith_short_16: WWQLGMG2ZTL7AXB6 · pith_short_8: WWQLGMG2

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/WWQLGMG2ZTL7AXB6QU3NPPFRC6 \
  | 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: b5a0b330daccd7f05c3e8536d7bcb117abb0e323ddc5cefa59653aff841554bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c66db1ae4c2e8491f8b57590554038523f9efda62851914831f4145122a99ac8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2014-08-05T15:04:34Z",
    "title_canon_sha256": "313005e92a33e02488ee923a29a9d555a8d555cee126678efebb0e3def2f4586"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0994",
    "kind": "arxiv",
    "version": 2
  }
}