Pith Number

pith:A6S7CFFT

pith:2014:A6S7CFFTKXQM4IJOU4AMPIFAVJ

not attested not anchored not stored refs pending

Algebraic groups and compact generation of their derived categories of representations

David Rydh, Jack Hall

arxiv:1405.1890 v3 · 2014-05-08 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{A6S7CFFTKXQM4IJOU4AMPIFAVJ}

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	2026-05-18T01:05:12.983253Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07a5f114b355e0ce212ea700c7a0a0aa5463b746a010f8dda36a85f811845d18

Aliases

arxiv: 1405.1890 · arxiv_version: 1405.1890v3 · doi: 10.48550/arxiv.1405.1890 · pith_short_12: A6S7CFFTKXQM · pith_short_16: A6S7CFFTKXQM4IJO · pith_short_8: A6S7CFFT

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/A6S7CFFTKXQM4IJOU4AMPIFAVJ \
  | 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: 07a5f114b355e0ce212ea700c7a0a0aa5463b746a010f8dda36a85f811845d18

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "70e4f73c3d5bfebfd910c4432e1815e3961af96698737f81073c22fadf8708ca",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-05-08T11:44:06Z",
    "title_canon_sha256": "5e50cba307c24c346f69a625db32d2cad4ed65689fd497e957a4d2eb193e786e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.1890",
    "kind": "arxiv",
    "version": 3
  }
}