Pith Number

pith:FLGR4AV2

pith:2019:FLGR4AV2JDBUCUBCQS6L3BNQMA

not attested not anchored not stored refs pending

On support varieties and tensor products for finite dimensional algebras

Mads Hustad Sand{\o}y, {\O}yvind Solberg, Petter Andreas Bergh

arxiv:1905.09377 v1 · 2019-05-22 · math.RT · 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{FLGR4AV2JDBUCUBCQS6L3BNQMA}

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	2026-05-17T23:45:19.423740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2acd1e02ba48c341502284bcbd85b0601ba4403adf130ac1c0051e4e4a8443d5

Aliases

arxiv: 1905.09377 · arxiv_version: 1905.09377v1 · doi: 10.48550/arxiv.1905.09377 · pith_short_12: FLGR4AV2JDBU · pith_short_16: FLGR4AV2JDBUCUBC · pith_short_8: FLGR4AV2

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/FLGR4AV2JDBUCUBCQS6L3BNQMA \
  | 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: 2acd1e02ba48c341502284bcbd85b0601ba4403adf130ac1c0051e4e4a8443d5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23632629465e43e9453c9508cb8590ef4e9ca10d7438324011ee2dfba8f6bdc7",
    "cross_cats_sorted": [
      "math.KT",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-05-22T22:01:47Z",
    "title_canon_sha256": "9549f022b496febfcf7ba28ee632b9df09a58e69fe80c339af2e3c756ed0ecba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.09377",
    "kind": "arxiv",
    "version": 1
  }
}