Pith Number

pith:NC5PUPU2

pith:2009:NC5PUPU2FDDO2HCABFMPX6TMZ7

not attested not anchored not stored refs pending

Equivariant geometric K-homology for compact Lie group actions

Clermont-Ferrand), Herve Oyono-Oyono (Universite Blaise Pascal, Michael Walter (Georg-August-Universit\"at G\"ottingen), Paul Baum (Penn State University), Thomas Schick (Georg-August-Universit\"at G\"ottingen)

arxiv:0902.0641 v2 · 2009-02-03 · math.KT · math.GT · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NC5PUPU2FDDO2HCABFMPX6TMZ7}

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	2026-05-18T03:43:28.857935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68bafa3e9a28c6ed1c400958fbfa6ccfd0d862ddb26a31794c1378115ca511b0

Aliases

arxiv: 0902.0641 · arxiv_version: 0902.0641v2 · doi: 10.48550/arxiv.0902.0641 · pith_short_12: NC5PUPU2FDDO · pith_short_16: NC5PUPU2FDDO2HCA · pith_short_8: NC5PUPU2

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/NC5PUPU2FDDO2HCABFMPX6TMZ7 \
  | 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: 68bafa3e9a28c6ed1c400958fbfa6ccfd0d862ddb26a31794c1378115ca511b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e845bda05ae89e57a64eee56fa685c3fac2b4765bfdc1c960b3780a0e6ba55da",
    "cross_cats_sorted": [
      "math.GT",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.KT",
    "submitted_at": "2009-02-03T22:47:06Z",
    "title_canon_sha256": "1c1b507837f4582db19c3b4febaa93862ab2fcf96c6f5b746b4093c9b87bcc54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.0641",
    "kind": "arxiv",
    "version": 2
  }
}