Pith Number

pith:AYAFXVP6

pith:2012:AYAFXVP6WKVX7SDIXWJ4KTB2MK

not attested not anchored not stored refs pending

Euler classes and Bredon cohomology for groups with restricted families of finite subgroups

Conchita Mart\'inez-P\'erez

arxiv:1204.3739 v2 · 2012-04-17 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AYAFXVP6WKVX7SDIXWJ4KTB2MK}

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	2026-05-18T03:31:17.750478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06005bd5feb2ab7fc868bd93c54c3a62ad505e5535869e13f9ee395ac4d49d07

Aliases

arxiv: 1204.3739 · arxiv_version: 1204.3739v2 · doi: 10.48550/arxiv.1204.3739 · pith_short_12: AYAFXVP6WKVX · pith_short_16: AYAFXVP6WKVX7SDI · pith_short_8: AYAFXVP6

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/AYAFXVP6WKVX7SDIXWJ4KTB2MK \
  | 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: 06005bd5feb2ab7fc868bd93c54c3a62ad505e5535869e13f9ee395ac4d49d07

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0ae14666a277acd4993e7aab0dd979fbe29d58f146039568b409594025c6467",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2012-04-17T09:13:29Z",
    "title_canon_sha256": "9990555266f174c0867d98e27f940ab550b34e097838c2e7e3aadd236936b8ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.3739",
    "kind": "arxiv",
    "version": 2
  }
}