Pith Number

pith:7LHSYLKD

pith:2018:7LHSYLKDR45ZCTGFKQKJ7KEIE2

not attested not anchored not stored refs pending

Hochschild cohomology of algebras of differential operators tangent to a central arrangement of lines

Francisco Kordon, Mariano Su\'arez-\'Alvarez

arxiv:1807.10372 v1 · 2018-07-26 · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LHSYLKDR45ZCTGFKQKJ7KEIE2}

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	2026-05-18T00:09:40.838829Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

facf2c2d438f3b914cc554149fa88826a136ba7c4163aa77e0f002d8193b601c

Aliases

arxiv: 1807.10372 · arxiv_version: 1807.10372v1 · doi: 10.48550/arxiv.1807.10372 · pith_short_12: 7LHSYLKDR45Z · pith_short_16: 7LHSYLKDR45ZCTGF · pith_short_8: 7LHSYLKD

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/7LHSYLKDR45ZCTGFKQKJ7KEIE2 \
  | 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: facf2c2d438f3b914cc554149fa88826a136ba7c4163aa77e0f002d8193b601c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915e07653f288c29c6e85015d000aeed4609bd0e57b8153e102a7ab5b3cb99a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2018-07-26T21:30:19Z",
    "title_canon_sha256": "cfc5075890dc77be77e31a061628fac1c679899178ce1cd3a2e9173c85915367"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.10372",
    "kind": "arxiv",
    "version": 1
  }
}