Pith Number

pith:HWMIZZT7

pith:2019:HWMIZZT7FLPC74CCHX3INAYHY2

not attested not anchored not stored refs pending

A 2-Site for Continuous 2-Group Actions

Michael Lambert

arxiv:1911.05141 v1 · 2019-11-12 · 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{HWMIZZT7FLPC74CCHX3INAYHY2}

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	2026-07-05T00:18:54.347578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d988ce67f2ade2ff0423df6868307c69d36d387d39fbe32f61d2911715419d4

Aliases

arxiv: 1911.05141 · arxiv_version: 1911.05141v1 · doi: 10.48550/arxiv.1911.05141 · pith_short_12: HWMIZZT7FLPC · pith_short_16: HWMIZZT7FLPC74CC · pith_short_8: HWMIZZT7

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/HWMIZZT7FLPC74CCHX3INAYHY2 \
  | 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: 3d988ce67f2ade2ff0423df6868307c69d36d387d39fbe32f61d2911715419d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5056b516ac1f7a4c926d4e0ae4a4a0828eb884d42d97f29beb7b6dfffc99af55",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2019-11-12T21:03:55Z",
    "title_canon_sha256": "0ef138b9a3ae7b0d221ca3165a9fb02336a58824c5d67b46c38c619389b458de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.05141",
    "kind": "arxiv",
    "version": 1
  }
}