Pith Number

pith:LTJ4RW4I

pith:2017:LTJ4RW4I5EWNXXTUSTEZLDVG5N

not attested not anchored not stored refs pending

Derived invariance of the cap product in Hochschild theory

Bernhard Keller, Marco A. Armenta A.

arxiv:1711.02947 v1 · 2017-11-08 · math.KT · 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{LTJ4RW4I5EWNXXTUSTEZLDVG5N}

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

Dimer Models and Hochschild Cohomology

Receipt and verification

First computed	2026-05-18T00:24:22.225343Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cd3c8db88e92cdbde7494c9958ea6eb6696a68057d26bd995ebb823d3d27212

Aliases

arxiv: 1711.02947 · arxiv_version: 1711.02947v1 · doi: 10.48550/arxiv.1711.02947 · pith_short_12: LTJ4RW4I5EWN · pith_short_16: LTJ4RW4I5EWNXXTU · pith_short_8: LTJ4RW4I

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/LTJ4RW4I5EWNXXTUSTEZLDVG5N \
  | 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: 5cd3c8db88e92cdbde7494c9958ea6eb6696a68057d26bd995ebb823d3d27212

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6054fc52f224e8fe9c012cd2392a6a040916addb27e108e71484c094276ff461",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2017-11-08T14:03:23Z",
    "title_canon_sha256": "ecc10c9160d77305b120785fa923085b68ff48d58b297d10f0c2bcb5db1b2e71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.02947",
    "kind": "arxiv",
    "version": 1
  }
}