Pith Number

pith:5DPXSVC7

pith:2011:5DPXSVC7F3JXUYCYKISF6IWK7S

not attested not anchored not stored refs pending

Cyclic homology of braided Hopf crossed products

Christian Valqui, Graciela Carboni, Jorge A. Guccione, Juan J. Guccione

arxiv:1107.0951 v1 · 2011-07-05 · 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{5DPXSVC7F3JXUYCYKISF6IWK7S}

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	2026-05-18T04:18:46.451617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8df79545f2ed37a605852245f22cafc84168467f439cd7b503f98e2e3addeec

Aliases

arxiv: 1107.0951 · arxiv_version: 1107.0951v1 · doi: 10.48550/arxiv.1107.0951 · pith_short_12: 5DPXSVC7F3JX · pith_short_16: 5DPXSVC7F3JXUYCY · pith_short_8: 5DPXSVC7

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/5DPXSVC7F3JXUYCYKISF6IWK7S \
  | 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: e8df79545f2ed37a605852245f22cafc84168467f439cd7b503f98e2e3addeec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8607db4db5c04d0b3f82c4961642dc84254a6dafdad1f11f1336f07186ba7f63",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2011-07-05T19:13:17Z",
    "title_canon_sha256": "ff251581b8c8a22f67efa32cd4e37529c6c11911abd8054c7a7fd21c61a7e761"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.0951",
    "kind": "arxiv",
    "version": 1
  }
}