Pith Number

pith:H27PK2QA

pith:2013:H27PK2QAVSQJ6JCHYXZPNR6344

not attested not anchored not stored refs pending

A category of kernels for equivariant factorizations, II: further implications

David Favero, Ludmil Katzarkov, Matthew Ballard

arxiv:1310.2656 v2 · 2013-10-09 · 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{H27PK2QAVSQJ6JCHYXZPNR6344}

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	2026-05-18T02:52:04.130721Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ebef56a00aca09f2447c5f2f6c7dbe71f4ac349823691692a6b32ae1fa6c7f5

Aliases

arxiv: 1310.2656 · arxiv_version: 1310.2656v2 · doi: 10.48550/arxiv.1310.2656 · pith_short_12: H27PK2QAVSQJ · pith_short_16: H27PK2QAVSQJ6JCH · pith_short_8: H27PK2QA

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/H27PK2QAVSQJ6JCHYXZPNR6344 \
  | 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: 3ebef56a00aca09f2447c5f2f6c7dbe71f4ac349823691692a6b32ae1fa6c7f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eb228d4205a97ed50723078dd05860c9e772f92d8ba5c976c3be66e319a8a03b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-09T23:17:52Z",
    "title_canon_sha256": "a7b44a8b150438e93ac2ba8a44cd8e76938bb9c5892d9a442031ae0780ce4db9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.2656",
    "kind": "arxiv",
    "version": 2
  }
}