Pith Number

pith:73F4VLSM

pith:2016:73F4VLSM66F53XHBMFNSLBWFXG

not attested not anchored not stored refs pending

Spectral sequences for Hochschild cohomology and graded centers of derived categories

Frank Neumann, Markus Szymik

arxiv:1603.09641 v3 · 2016-03-31 · math.RT · math.AC · 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{73F4VLSM66F53XHBMFNSLBWFXG}

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	2026-05-18T00:42:17.970936Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fecbcaae4cf78bdddce1615b2586c5b9a4655831c38911dc52fda57478569326

Aliases

arxiv: 1603.09641 · arxiv_version: 1603.09641v3 · doi: 10.48550/arxiv.1603.09641 · pith_short_12: 73F4VLSM66F5 · pith_short_16: 73F4VLSM66F53XHB · pith_short_8: 73F4VLSM

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/73F4VLSM66F53XHBMFNSLBWFXG \
  | 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: fecbcaae4cf78bdddce1615b2586c5b9a4655831c38911dc52fda57478569326

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7af28aace935b939b39a9b3cd0f8fbd79e3d7c9811a72bd58ce12c0ccd60ee1a",
    "cross_cats_sorted": [
      "math.AC",
      "math.AG",
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RT",
    "submitted_at": "2016-03-31T15:33:21Z",
    "title_canon_sha256": "757f52f69ec9b1837618c598f91ad2d87932c28510f8079fb1486b44e3201332"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.09641",
    "kind": "arxiv",
    "version": 3
  }
}