Pith Number

pith:RXJ5ANIV

pith:2010:RXJ5ANIVFUV5XDD3YGVNU5ABHL

not attested not anchored not stored refs pending

On commuting matrices in max algebra and in classical nonnegative algebra

Hans Schneider, Ricardo D. Katz, Sergei Sergeev

arxiv:1005.1424 v1 · 2010-05-09 · 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{RXJ5ANIVFUV5XDD3YGVNU5ABHL}

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	2026-05-18T03:41:44.328533Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8dd3d035152d2bdb8c7bc1aada74013acac3519a1dd251285bd9bddf90ba608a

Aliases

arxiv: 1005.1424 · arxiv_version: 1005.1424v1 · doi: 10.48550/arxiv.1005.1424 · pith_short_12: RXJ5ANIVFUV5 · pith_short_16: RXJ5ANIVFUV5XDD3 · pith_short_8: RXJ5ANIV

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/RXJ5ANIVFUV5XDD3YGVNU5ABHL \
  | 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: 8dd3d035152d2bdb8c7bc1aada74013acac3519a1dd251285bd9bddf90ba608a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1c405c0d5327bbd8a5ccdd514b38f4ba30de5666604a7cf7b6838afbbdea2ee0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2010-05-09T20:22:39Z",
    "title_canon_sha256": "9974f063df1fe8b2c101e66719566fa281231f6b71cc1076e30e71e756dd19ed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.1424",
    "kind": "arxiv",
    "version": 1
  }
}