Pith Number

pith:NREVVYPV

pith:2026:NREVVYPVNOHFIEAWASCQF3R4ZK

not attested not anchored not stored refs pending

Matrix stability and Morita invariance

Emanuel Rodr\'iguez Cirone, Eugenia Ellis

arxiv:2606.26380 v1 · 2026-06-24 · math.KT · 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{NREVVYPVNOHFIEAWASCQF3R4ZK}

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	2026-06-26T00:15:38.669812Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c495ae1f56b8e541016048502ee3ccaa455fc4b83eb8fa62d0faad5cd47dec4

Aliases

arxiv: 2606.26380 · arxiv_version: 2606.26380v1 · doi: 10.48550/arxiv.2606.26380 · pith_short_12: NREVVYPVNOHF · pith_short_16: NREVVYPVNOHFIEAW · pith_short_8: NREVVYPV

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/NREVVYPVNOHFIEAWASCQF3R4ZK \
  | 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: 6c495ae1f56b8e541016048502ee3ccaa455fc4b83eb8fa62d0faad5cd47dec4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d60bbd57f905f60398922860bf0773cb947730c65484d5b0f6ad08a2a02a006b",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2026-06-24T21:06:29Z",
    "title_canon_sha256": "68393d0749621509b6e1a7c4638b19827dba77163a931dd607794e1fec8aad7e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26380",
    "kind": "arxiv",
    "version": 1
  }
}