Pith Number

pith:IDICY54F

pith:2013:IDICY54FG3XGUHF4D5GG5GLMCY

not attested not anchored not stored refs pending

Equivariant principal bundles and their classifying spaces

Bernardo Uribe, Wolfgang Lueck

arxiv:1304.4862 v2 · 2013-04-17 · math.AT · math.KT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IDICY54FG3XGUHF4D5GG5GLMCY}

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	2026-05-18T02:38:17.247391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40d02c778536ee6a1cbc1f4c6e996c160855d179e709dd3280d0f572c1ed86c6

Aliases

arxiv: 1304.4862 · arxiv_version: 1304.4862v2 · doi: 10.48550/arxiv.1304.4862 · pith_short_12: IDICY54FG3XG · pith_short_16: IDICY54FG3XGUHF4 · pith_short_8: IDICY54F

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/IDICY54FG3XGUHF4D5GG5GLMCY \
  | 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: 40d02c778536ee6a1cbc1f4c6e996c160855d179e709dd3280d0f572c1ed86c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14b5fbbbc606a5f880374f1e84d0ae43c48ff06d664d8123bb0f65987633767c",
    "cross_cats_sorted": [
      "math.KT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2013-04-17T15:40:52Z",
    "title_canon_sha256": "01d7d8bfc211c735704fc3e8ab4ed6da8cb2b3a9b8e2019a26dd133dbd6a92c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4862",
    "kind": "arxiv",
    "version": 2
  }
}