Pith Number

pith:3PBV6DYO

pith:2019:3PBV6DYODWKS7HZ5UFPBHSOHRS

not attested not anchored not stored refs pending

The fibre of the degree $3$ map, Anick spaces and the double suspension

Steven Amelotte

arxiv:1908.05302 v1 · 2019-08-14 · 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{3PBV6DYODWKS7HZ5UFPBHSOHRS}

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	2026-07-05T03:29:38.646929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbc35f0f0e1d952f9f3da15e13c9c78cbb4c9f07d075afffff450bcf6e79dca3

Aliases

arxiv: 1908.05302 · arxiv_version: 1908.05302v1 · doi: 10.48550/arxiv.1908.05302 · pith_short_12: 3PBV6DYODWKS · pith_short_16: 3PBV6DYODWKS7HZ5 · pith_short_8: 3PBV6DYO

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/3PBV6DYODWKS7HZ5UFPBHSOHRS \
  | 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: dbc35f0f0e1d952f9f3da15e13c9c78cbb4c9f07d075afffff450bcf6e79dca3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed3bf5513d90769e64d933511c179fa36b97f6a6d8514c59f2c6e9366e8dd813",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2019-08-14T18:41:52Z",
    "title_canon_sha256": "0511e8874fc262b552583034fa0188d7246719cd9e0a5cc604a345a7f88e2d5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05302",
    "kind": "arxiv",
    "version": 1
  }
}