Pith Number

pith:RRPLDAIE

pith:2018:RRPLDAIEJREMIHQQKP6SKZMNT7

not attested not anchored not stored refs pending

Couniversal spaces which are equivariant commutative ring spectra

J.P.C.Greenlees

arxiv:1801.09766 v1 · 2018-01-29 · 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{RRPLDAIEJREMIHQQKP6SKZMNT7}

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	2026-05-18T00:24:53.860195Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c5eb181044c48c41e1053fd25658d9fc99b8927ab9fa01ddbad25688ad3033f

Aliases

arxiv: 1801.09766 · arxiv_version: 1801.09766v1 · doi: 10.48550/arxiv.1801.09766 · pith_short_12: RRPLDAIEJREM · pith_short_16: RRPLDAIEJREMIHQQ · pith_short_8: RRPLDAIE

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/RRPLDAIEJREMIHQQKP6SKZMNT7 \
  | 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: 8c5eb181044c48c41e1053fd25658d9fc99b8927ab9fa01ddbad25688ad3033f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7399a3a41b49b7b4953d8073cc6e013f0107f4b19b95c49281e22653f82302b7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-01-29T21:28:39Z",
    "title_canon_sha256": "3d961ca23f8047f3ddc38d383c71472ecd42a0cb1413a4e9574904ef329a10d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09766",
    "kind": "arxiv",
    "version": 1
  }
}