Pith Number

pith:7WLKQRHB

pith:2011:7WLKQRHBC4BHHXQD6UQD32TMQV

not attested not anchored not stored refs pending

Towards representation stability for the second homology of the Torelli group

Mia Hauge Dollerup, S{\o}ren K. Boldsen

arxiv:1101.5767 v2 · 2011-01-30 · math.AT · math.RT

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WLKQRHBC4BHHXQD6UQD32TMQV}

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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

Calculating the second rational cohomology group of the Torelli group

Receipt and verification

First computed	2026-05-18T04:30:05.101064Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd96a844e1170273de03f5203dea6c8579cb3515201bc18290fece8b5e9a82cd

Aliases

arxiv: 1101.5767 · arxiv_version: 1101.5767v2 · doi: 10.48550/arxiv.1101.5767 · pith_short_12: 7WLKQRHBC4BH · pith_short_16: 7WLKQRHBC4BHHXQD · pith_short_8: 7WLKQRHB

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/7WLKQRHBC4BHHXQD6UQD32TMQV \
  | 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: fd96a844e1170273de03f5203dea6c8579cb3515201bc18290fece8b5e9a82cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5dec61ef27adbe315b42649e15219b3f6ae14654d379901a6848a03b262b4c85",
    "cross_cats_sorted": [
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2011-01-30T13:17:29Z",
    "title_canon_sha256": "071277c9be5db26bd58b6962674255c26d8e1ae9f55c182214c91b19a984ade1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.5767",
    "kind": "arxiv",
    "version": 2
  }
}