Pith Number

pith:WB565UIW

pith:2013:WB565UIW5BPZC2P7GJTXGYJNEE

not attested not anchored not stored refs pending

Partial cohomology of groups

M. Dokuchaev, M. Khrypchenko

arxiv:1309.7069 v3 · 2013-09-26 · math.GR · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WB565UIW5BPZC2P7GJTXGYJNEE}

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	2026-05-18T00:24:36.153216Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b07beed116e85f9169ff326773612d2105d591f6ba84a252015172c19a6d6067

Aliases

arxiv: 1309.7069 · arxiv_version: 1309.7069v3 · doi: 10.48550/arxiv.1309.7069 · pith_short_12: WB565UIW5BPZ · pith_short_16: WB565UIW5BPZC2P7 · pith_short_8: WB565UIW

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/WB565UIW5BPZC2P7GJTXGYJNEE \
  | 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: b07beed116e85f9169ff326773612d2105d591f6ba84a252015172c19a6d6067

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d73d16dc776b36ac00c7f49971c235e60ba116c3ef6c14ca11d934b13ee2330f",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2013-09-26T20:38:47Z",
    "title_canon_sha256": "c2a0c6b7ca8f8045442c6dad3b910ff9e0d9a21a17a351ec2d3a6b8c3f6a52c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7069",
    "kind": "arxiv",
    "version": 3
  }
}