Pith Number

pith:Q3DC3F52

pith:2019:Q3DC3F52FGZ4GZPGFFOTPXL7BF

not attested not anchored not stored refs pending

On auto-equivalences and complete derived invariants of gentle algebras

Sebastian Opper

arxiv:1904.04859 v1 · 2019-04-09 · math.RT · math.SG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q3DC3F52FGZ4GZPGFFOTPXL7BF}

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.

Cited by

2 papers in Pith

Skew-group $A_{\infty}$-categories as Fukaya categories of orbifolds

Rickard's Derived Morita Theory: Review and Outlook

Receipt and verification

First computed	2026-05-17T23:48:57.816511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86c62d97ba29b3c365e6295d37dd7f09780de2e7040b80e0b837f2367e5e3d68

Aliases

arxiv: 1904.04859 · arxiv_version: 1904.04859v1 · doi: 10.48550/arxiv.1904.04859 · pith_short_12: Q3DC3F52FGZ4 · pith_short_16: Q3DC3F52FGZ4GZPG · pith_short_8: Q3DC3F52

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/Q3DC3F52FGZ4GZPGFFOTPXL7BF \
  | 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: 86c62d97ba29b3c365e6295d37dd7f09780de2e7040b80e0b837f2367e5e3d68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4c450652e66281c5221929cf08adc3e3d8c370e4973fbfb7777f52f4bb6c4f3b",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2019-04-09T18:33:57Z",
    "title_canon_sha256": "b905749a5fadefc0bd678f1b2c4a61e2e8e1141c7ca5172344498c80cfd6e6f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04859",
    "kind": "arxiv",
    "version": 1
  }
}