Pith Number

pith:JFTNZEB3

pith:2010:JFTNZEB3XZ7U727F4EGWZ24DSD

not attested not anchored not stored refs pending

Loop space homology associated to the mod 2 Dickson invariants

Nora Seeliger, Ran Levi

arxiv:1001.3581 v2 · 2010-01-20 · math.AT · 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{JFTNZEB3XZ7U727F4EGWZ24DSD}

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	2026-05-18T04:25:26.047593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4966dc903bbe7f4febe5e10d6ceb8390ca83d801133f3c55271433ca13447973

Aliases

arxiv: 1001.3581 · arxiv_version: 1001.3581v2 · doi: 10.48550/arxiv.1001.3581 · pith_short_12: JFTNZEB3XZ7U · pith_short_16: JFTNZEB3XZ7U727F · pith_short_8: JFTNZEB3

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/JFTNZEB3XZ7U727F4EGWZ24DSD \
  | 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: 4966dc903bbe7f4febe5e10d6ceb8390ca83d801133f3c55271433ca13447973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d99c01090abb28cb83d376fd4dae723c142a78c74db76690397960475bd33aff",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2010-01-20T13:40:26Z",
    "title_canon_sha256": "b1189ecd85d83ed6d26713f90d6bc0eb5e4aba7c4af0ca98caaee16d92115e67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1001.3581",
    "kind": "arxiv",
    "version": 2
  }
}