Pith Number

pith:HGMOBBSL

pith:2010:HGMOBBSLRJEGZS3EQMSBAH7EHF

not attested not anchored not stored refs pending

Levels in the toposes of simplicial sets and cubical sets

Carolyn Kennett, Emily Riehl, Michael Roy, Michael Zaks

arxiv:1003.5944 v1 · 2010-03-30 · math.CT · 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{HGMOBBSLRJEGZS3EQMSBAH7EHF}

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	2026-05-18T04:32:19.421863Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3998e0864b8a486ccb648324101fe43953e2c29cef88f7d982539f07453d5164

Aliases

arxiv: 1003.5944 · arxiv_version: 1003.5944v1 · doi: 10.48550/arxiv.1003.5944 · pith_short_12: HGMOBBSLRJEG · pith_short_16: HGMOBBSLRJEGZS3E · pith_short_8: HGMOBBSL

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/HGMOBBSLRJEGZS3EQMSBAH7EHF \
  | 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: 3998e0864b8a486ccb648324101fe43953e2c29cef88f7d982539f07453d5164

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "834cab7433242a25812f5404d52510663cbc9946a9a70b8a6edf56cc87ae47b8",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2010-03-30T22:52:32Z",
    "title_canon_sha256": "0ac793adaed2112d5c98226dee04b7490ba9e03b7a4f79d34296823150b3ab36"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.5944",
    "kind": "arxiv",
    "version": 1
  }
}