Pith Number

pith:ZKBPIAMQ

pith:2022:ZKBPIAMQBEK4QCDMAPPHR7LZO2

not attested not anchored not stored refs pending

Obstruction theory and the level $n$ elliptic genus

Andrew Senger

arxiv:2203.13743 v1 · 2022-03-25 · 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{ZKBPIAMQBEK4QCDMAPPHR7LZO2}

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.

Cited by

1 paper in Pith

Multiplicative Equivariant Thom Spectra & Structured Real Orientations

Receipt and verification

First computed	2026-07-05T04:08:35.608095Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca82f401900915c8086c03de78fd79768de5ab1b022eaf9401f1174f1b79e42e

Aliases

arxiv: 2203.13743 · arxiv_version: 2203.13743v1 · doi: 10.48550/arxiv.2203.13743 · pith_short_12: ZKBPIAMQBEK4 · pith_short_16: ZKBPIAMQBEK4QCDM · pith_short_8: ZKBPIAMQ

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/ZKBPIAMQBEK4QCDMAPPHR7LZO2 \
  | 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: ca82f401900915c8086c03de78fd79768de5ab1b022eaf9401f1174f1b79e42e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa84c29d6b28e1aa70ae012d3bebd120e02bbba805c300dbe752865050c950fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2022-03-25T16:20:23Z",
    "title_canon_sha256": "5a36de6ff1cd07ce5d7f1ebcb1e9d709d4390a5efd2088c1e0e3fddd4e10f50d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2203.13743",
    "kind": "arxiv",
    "version": 1
  }
}