Pith Number

pith:6SKWHFPF

pith:2011:6SKWHFPFFCKSNW6OFBIF5CI7ME

not attested not anchored not stored refs pending

The integral homology ring of the based loop space on some generalised symmetric spaces

Jelena Grbic, Svjetlana Terzic

arxiv:1105.2450 v2 · 2011-05-12 · math.AT · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6SKWHFPFFCKSNW6OFBIF5CI7ME}

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	2026-05-18T04:03:06.998800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f4956395e5289526dbce28505e891f61398847dfe445a36cecd447495ac4e595

Aliases

arxiv: 1105.2450 · arxiv_version: 1105.2450v2 · doi: 10.48550/arxiv.1105.2450 · pith_short_12: 6SKWHFPFFCKS · pith_short_16: 6SKWHFPFFCKSNW6O · pith_short_8: 6SKWHFPF

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/6SKWHFPFFCKSNW6OFBIF5CI7ME \
  | 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: f4956395e5289526dbce28505e891f61398847dfe445a36cecd447495ac4e595

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0dc947ba8f7147b0f19c398301123f5dd8c40998cda3c155ec6c3ce780946368",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2011-05-12T12:43:44Z",
    "title_canon_sha256": "d86f23c17a6f917e9b519e079b39b03b8a63250f2bec7973d438f47cd42b5b67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2450",
    "kind": "arxiv",
    "version": 2
  }
}