Pith Number

pith:V6LPY3UL

pith:2011:V6LPY3ULGUADIT2GKQX6K6WBUV

not attested not anchored not stored refs pending

The Morava E-theory of Eilenberg-Mac Lane spaces

Eric Peterson

arxiv:1109.5989 v2 · 2011-09-27 · 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{V6LPY3ULGUADIT2GKQX6K6WBUV}

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	2026-05-18T04:12:01.783458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af96fc6e8b3500344f46542fe57ac1a56eb3f27c6f3210c5d42d9d2d46d4162f

Aliases

arxiv: 1109.5989 · arxiv_version: 1109.5989v2 · doi: 10.48550/arxiv.1109.5989 · pith_short_12: V6LPY3ULGUAD · pith_short_16: V6LPY3ULGUADIT2G · pith_short_8: V6LPY3UL

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/V6LPY3ULGUADIT2GKQX6K6WBUV \
  | 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: af96fc6e8b3500344f46542fe57ac1a56eb3f27c6f3210c5d42d9d2d46d4162f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c398614016c3aee5ad7027f2759b02b29feced7b3f22d3c8586ec864605a044",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2011-09-27T18:48:50Z",
    "title_canon_sha256": "720bf28b9737e831d8f332fb8deb9104c484a41389efdf0d265852202fa26a50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.5989",
    "kind": "arxiv",
    "version": 2
  }
}