Pith Number

pith:OOLF5AIF

pith:2010:OOLF5AIFXNGDDC4SEV7WUBKRV2

not attested not anchored not stored refs pending

Homology of E_n Ring Spectra and Iterated THH

Maria Basterra, Michael A. Mandell

arxiv:1007.5315 v2 · 2010-07-29 · 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{OOLF5AIFXNGDDC4SEV7WUBKRV2}

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	2026-05-18T02:41:50.810409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73965e8105bb4c318b92257f6a0551ae8a2515c14a6eef2251f582cf39b00341

Aliases

arxiv: 1007.5315 · arxiv_version: 1007.5315v2 · doi: 10.48550/arxiv.1007.5315 · pith_short_12: OOLF5AIFXNGD · pith_short_16: OOLF5AIFXNGDDC4S · pith_short_8: OOLF5AIF

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/OOLF5AIFXNGDDC4SEV7WUBKRV2 \
  | 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: 73965e8105bb4c318b92257f6a0551ae8a2515c14a6eef2251f582cf39b00341

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c225955cca758a1a5279a29b1e1d5967a08bb8e3107e54a7cc6bd4bcccb1c76",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2010-07-29T20:05:34Z",
    "title_canon_sha256": "c5b2fd2c83939ee5eced4794d877b185f4bb2155b689f2a2c34a72a3eb3decef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1007.5315",
    "kind": "arxiv",
    "version": 2
  }
}