Pith Number

pith:MKUIDCBN

pith:2016:MKUIDCBNN3BRR7EE6LLUBUYVCH

not attested not anchored not stored refs pending

Brauer-Severi motives and Donaldson-Thomas invariants of quantized 3-folds

Lieven Le Bruyn

arxiv:1604.08556 v3 · 2016-04-28 · math.RT · math.AG · math.QA · 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{MKUIDCBNN3BRR7EE6LLUBUYVCH}

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	2026-05-18T00:50:57.221500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

62a881882d6ec318fc84f2d740d31511d229699ef5479b8713c667843f2cedba

Aliases

arxiv: 1604.08556 · arxiv_version: 1604.08556v3 · doi: 10.48550/arxiv.1604.08556 · pith_short_12: MKUIDCBNN3BR · pith_short_16: MKUIDCBNN3BRR7EE · pith_short_8: MKUIDCBN

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/MKUIDCBNN3BRR7EE6LLUBUYVCH \
  | 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: 62a881882d6ec318fc84f2d740d31511d229699ef5479b8713c667843f2cedba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0d281eb2db3340d0a55e2a69b6970e1bbe4e624d9b7c8200893647b1a85e66b7",
    "cross_cats_sorted": [
      "math.AG",
      "math.QA",
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2016-04-28T18:53:40Z",
    "title_canon_sha256": "407d299d86aad6e54aacdd65dc7f3999b546bf85a111948ca49c7cafc90ba792"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.08556",
    "kind": "arxiv",
    "version": 3
  }
}