Pith Number

pith:E2WAO6AS

pith:2011:E2WAO6AS24R2FCUFRB5ODZISKP

not attested not anchored not stored refs pending

Cohomological Hall algebra of a symmetric quiver

Alexander I. Efimov

arxiv:1103.2736 v2 · 2011-03-14 · math.AG · math.QA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{E2WAO6AS24R2FCUFRB5ODZISKP}

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

1 paper in Pith

Semiorthogonal decompositions for stacks

Receipt and verification

First computed	2026-05-17T23:53:19.421009Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

26ac077812d723a28a85887ae1e51253eda800ee277a74f5cd06581a99ac23b3

Aliases

arxiv: 1103.2736 · arxiv_version: 1103.2736v2 · doi: 10.48550/arxiv.1103.2736 · pith_short_12: E2WAO6AS24R2 · pith_short_16: E2WAO6AS24R2FCUF · pith_short_8: E2WAO6AS

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/E2WAO6AS24R2FCUFRB5ODZISKP \
  | 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: 26ac077812d723a28a85887ae1e51253eda800ee277a74f5cd06581a99ac23b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2af1e9317c831a8c8f8557026fee2ead6879e120b4f065a778cb861a1985dfc5",
    "cross_cats_sorted": [
      "math.QA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2011-03-14T18:38:40Z",
    "title_canon_sha256": "687a230072ca68b83724c5271e1f86095598f1462375366ca1aa13601432ddde"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.2736",
    "kind": "arxiv",
    "version": 2
  }
}