Pith Number

pith:FFMPY2QK

pith:2018:FFMPY2QKTS2K6QKNID5TWIZEF3

not attested not anchored not stored refs pending

Decorated marked surfaces III: The derived category of a decorated marked surface

Aslak Bakke Buan, Yu Qiu, Yu Zhou

arxiv:1804.00094 v1 · 2018-03-31 · 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{FFMPY2QKTS2K6QKNID5TWIZEF3}

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	2026-05-18T00:19:40.529227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2958fc6a0a9cb4af414d40fb3b23242eddddaf6bb1311ff491972ae4c813a329

Aliases

arxiv: 1804.00094 · arxiv_version: 1804.00094v1 · doi: 10.48550/arxiv.1804.00094 · pith_short_12: FFMPY2QKTS2K · pith_short_16: FFMPY2QKTS2K6QKN · pith_short_8: FFMPY2QK

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/FFMPY2QKTS2K6QKNID5TWIZEF3 \
  | 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: 2958fc6a0a9cb4af414d40fb3b23242eddddaf6bb1311ff491972ae4c813a329

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "494a4d89e0faca171ba512fd8a4deb40a368d494756ea3665fcf85ee2cd36f22",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2018-03-31T00:40:00Z",
    "title_canon_sha256": "aaa93fe157c1d28b99a66a01d79639836ae35e93562839111dfdd3044f9a2f89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.00094",
    "kind": "arxiv",
    "version": 1
  }
}