Pith Number

pith:3VFYVE4V

pith:2008:3VFYVE4VL742HKPPWTMYB2JRVE

not attested not anchored not stored refs pending

Topological nonrealization results via the Goodwillie tower approach to iterated loopspace homology

Nicholas J. Kuhn

arxiv:0806.3281 v1 · 2008-06-19 · math.AT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VFYVE4VL742HKPPWTMYB2JRVE}

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	2026-05-18T02:41:51.607247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd4b8a93955ff9a3a9efb4d980e931a93ff95962f9ac17b4de469742aef16259

Aliases

arxiv: 0806.3281 · arxiv_version: 0806.3281v1 · doi: 10.48550/arxiv.0806.3281 · pith_short_12: 3VFYVE4VL742 · pith_short_16: 3VFYVE4VL742HKPP · pith_short_8: 3VFYVE4V

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/3VFYVE4VL742HKPPWTMYB2JRVE \
  | 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: dd4b8a93955ff9a3a9efb4d980e931a93ff95962f9ac17b4de469742aef16259

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5828fd5eafbdc1b98f43c79e855bcadeecf6c2ed708e5d6a1a36fb01e14e4f7a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2008-06-19T20:47:06Z",
    "title_canon_sha256": "b80bf9ac461a707740824b39bbdc05f80e2f820d75a163d51b92f0a5d7fcf082"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.3281",
    "kind": "arxiv",
    "version": 1
  }
}