Pith Number

pith:6RUX6KZZ

pith:2019:6RUX6KZZH7ETL6L2467XQVMPSH

not attested not anchored not stored refs pending

Cohomological equations for linear involutions

Alexandra Skripchenko, Erwan Lanneau, Stefano Marmi

arxiv:1908.09107 v1 · 2019-08-24 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6RUX6KZZH7ETL6L2467XQVMPSH}

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	2026-07-04T23:59:36.835903Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4697f2b393fc935f97ae7bf78558f91ce0fc10d67bbbe55091a32feb87416b9

Aliases

arxiv: 1908.09107 · arxiv_version: 1908.09107v1 · doi: 10.48550/arxiv.1908.09107 · pith_short_12: 6RUX6KZZH7ET · pith_short_16: 6RUX6KZZH7ETL6L2 · pith_short_8: 6RUX6KZZ

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/6RUX6KZZH7ETL6L2467XQVMPSH \
  | 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: f4697f2b393fc935f97ae7bf78558f91ce0fc10d67bbbe55091a32feb87416b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8590dacba4e68e1ac51d2e82bb65fb25f1e551b30e13ba6a841812c6f36f2199",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2019-08-24T08:31:45Z",
    "title_canon_sha256": "d230ae2bbb3849a067eb4a1e9c3120767f87de66c131abd175cd33aef6db7369"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.09107",
    "kind": "arxiv",
    "version": 1
  }
}