Pith Number

pith:XWK253LN

pith:2015:XWK253LNNQDMKFF75PX6N3SHW2

not attested not anchored not stored refs pending

Derived loop stacks and categorification of orbifold products

Nicol\`o Sibilla, Sarah Scherotzke

arxiv:1502.02326 v1 · 2015-02-09 · math.AG · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XWK253LNNQDMKFF75PX6N3SHW2}

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	2026-05-18T02:27:42.869940Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd95aeed6d6c06c514bfebefe6ee47b6967ab886bc32c2fbafca785fe335e183

Aliases

arxiv: 1502.02326 · arxiv_version: 1502.02326v1 · doi: 10.48550/arxiv.1502.02326 · pith_short_12: XWK253LNNQDM · pith_short_16: XWK253LNNQDMKFF7 · pith_short_8: XWK253LN

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/XWK253LNNQDMKFF75PX6N3SHW2 \
  | 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: bd95aeed6d6c06c514bfebefe6ee47b6967ab886bc32c2fbafca785fe335e183

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "46a340e05e87fd2421c0cb08cc314db0988dbe6d95caffa99e36cf30c4987172",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-09T01:32:54Z",
    "title_canon_sha256": "b053ec9f284cd69ca423c52edc4c17dfb9dc88f9029c948f2bff96e813cf5ac4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.02326",
    "kind": "arxiv",
    "version": 1
  }
}