Pith Number

pith:LASRMCNS

pith:2013:LASRMCNSZKZKFDEFH6SLHBYPTM

not attested not anchored not stored refs pending

On completions of symmetric and antisymmetric block diagonal partial matrices

Elena Rubei

arxiv:1309.0039 v1 · 2013-08-30 · 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{LASRMCNSZKZKFDEFH6SLHBYPTM}

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	2026-05-18T03:14:28.992997Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58251609b2cab2a28c853fa4b3870f9b3b03e35917e3e75f27c998effdf7378d

Aliases

arxiv: 1309.0039 · arxiv_version: 1309.0039v1 · doi: 10.48550/arxiv.1309.0039 · pith_short_12: LASRMCNSZKZK · pith_short_16: LASRMCNSZKZKFDEF · pith_short_8: LASRMCNS

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/LASRMCNSZKZKFDEFH6SLHBYPTM \
  | 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: 58251609b2cab2a28c853fa4b3870f9b3b03e35917e3e75f27c998effdf7378d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0da56fdf52e4b83a35e0a33e2b7d33b4b9c8652846700e965080c53f72a5cb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-08-30T22:11:04Z",
    "title_canon_sha256": "fd7f9c7c1af82900219425c73ca7f537fdf8e54b25bb230a351116a897de854b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0039",
    "kind": "arxiv",
    "version": 1
  }
}