Pith Number

pith:2HC3YFZJ

pith:2017:2HC3YFZJOEMQJUFIEHP6GXMHAQ

not attested not anchored not stored refs pending

Linear isomorphisms preserving Green's relations for matrices over semirings

Alexander Guterman, Marianne Johnson, Mark Kambites

arxiv:1709.05277 v1 · 2017-09-15 · 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{2HC3YFZJOEMQJUFIEHP6GXMHAQ}

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	2026-05-18T00:35:06.175308Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1c5bc1729711904d0a821dfe35d8704391c766dcf1c9b00ab6f1e2e67afdd98

Aliases

arxiv: 1709.05277 · arxiv_version: 1709.05277v1 · doi: 10.48550/arxiv.1709.05277 · pith_short_12: 2HC3YFZJOEMQ · pith_short_16: 2HC3YFZJOEMQJUFI · pith_short_8: 2HC3YFZJ

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/2HC3YFZJOEMQJUFIEHP6GXMHAQ \
  | 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: d1c5bc1729711904d0a821dfe35d8704391c766dcf1c9b00ab6f1e2e67afdd98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ce5c3a9f7467bfb8a65bd6ff777669c09e32287ab0c4c3e08cf54adc5d359a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2017-09-15T15:42:43Z",
    "title_canon_sha256": "1375a4b812a2d545c9c9dfce169c51c532f66b0bdafe7b2c3e61d2e93624ef3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.05277",
    "kind": "arxiv",
    "version": 1
  }
}