Pith Number

pith:WEDV7GTN

pith:2016:WEDV7GTN2IK4KPLFKOHDY2L3TN

not attested not anchored not stored refs pending

Dg algebras with enough idempotents, their dg modules and their derived categories

Manuel Saor\'in

arxiv:1612.04719 v2 · 2016-12-14 · 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{WEDV7GTN2IK4KPLFKOHDY2L3TN}

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	2026-05-18T00:45:14.711690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1075f9a6dd215c53d65538e3c697b9b79694bd8bc936cf24028da9f3d25e5e3

Aliases

arxiv: 1612.04719 · arxiv_version: 1612.04719v2 · doi: 10.48550/arxiv.1612.04719 · pith_short_12: WEDV7GTN2IK4 · pith_short_16: WEDV7GTN2IK4KPLF · pith_short_8: WEDV7GTN

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/WEDV7GTN2IK4KPLFKOHDY2L3TN \
  | 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: b1075f9a6dd215c53d65538e3c697b9b79694bd8bc936cf24028da9f3d25e5e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c2a478222d3bef7b8daa0aafa0bc7d207f5189322f76a33e8fb1072daa7d391b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2016-12-14T16:39:39Z",
    "title_canon_sha256": "ff69fdd83cb97162f39c44640771283ebc42fe2cb99f7a650e9658f6ee1d82ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1612.04719",
    "kind": "arxiv",
    "version": 2
  }
}