Pith Number

pith:BPDYQI3Q

pith:2018:BPDYQI3QDJPQF2ECPXOX7X3EKY

not attested not anchored not stored refs pending

Equivariant Morita-Takeuchi Theory

Bastian Seifert

arxiv:1806.07992 v1 · 2018-06-20 · math.RT · 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{BPDYQI3QDJPQF2ECPXOX7X3EKY}

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	2026-05-18T00:12:42.384436Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0bc78823701a5f02e8827ddd7fdf645612cd7728d5397181663dc4e103568db2

Aliases

arxiv: 1806.07992 · arxiv_version: 1806.07992v1 · doi: 10.48550/arxiv.1806.07992 · pith_short_12: BPDYQI3QDJPQ · pith_short_16: BPDYQI3QDJPQF2EC · pith_short_8: BPDYQI3Q

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/BPDYQI3QDJPQF2ECPXOX7X3EKY \
  | 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: 0bc78823701a5f02e8827ddd7fdf645612cd7728d5397181663dc4e103568db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a0f2e98ba0629961c3604d3aae362dd8430f5c644a64f8a90f892d8f5fb0390d",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2018-06-20T21:24:42Z",
    "title_canon_sha256": "c0da02d7044d9f7a73bcc8a60b64e4777ead9e9b724864c700e460ad3643dc96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.07992",
    "kind": "arxiv",
    "version": 1
  }
}