Pith Number

pith:GZFUI3R3

pith:2011:GZFUI3R3ANLPBQYYCUEX5CS4VV

not attested not anchored not stored refs pending

Some considerations in relation to the matrix equation AXB=C

Biljana Radicic, Branko Malesevic

arxiv:1108.2485 v7 · 2011-08-11 · 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{GZFUI3R3ANLPBQYYCUEX5CS4VV}

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	2026-05-18T03:39:29.298082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

364b446e3b0356f0c31815097e8a5cad7afdc60dff782ee9dcbac9f86ed6c6db

Aliases

arxiv: 1108.2485 · arxiv_version: 1108.2485v7 · doi: 10.48550/arxiv.1108.2485 · pith_short_12: GZFUI3R3ANLP · pith_short_16: GZFUI3R3ANLPBQYY · pith_short_8: GZFUI3R3

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/GZFUI3R3ANLPBQYYCUEX5CS4VV \
  | 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: 364b446e3b0356f0c31815097e8a5cad7afdc60dff782ee9dcbac9f86ed6c6db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1f8b8c59b759cec6528ecf3918ccb7303a6bde0877b50237f71b281b5fcc3c05",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2011-08-11T18:51:16Z",
    "title_canon_sha256": "498bd14548bf2586b21f1325b00ddda4244f5fe38eda705acbfbee69dfe3becb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.2485",
    "kind": "arxiv",
    "version": 7
  }
}