Pith Number

pith:WXVUUBM2

pith:2018:WXVUUBM2VLLRQCPAWB3YWDV223

not attested not anchored not stored refs pending

Cellular $E_k$-algebras

Alexander Kupers, Oscar Randal-Williams, Soren Galatius

arxiv:1805.07184 v4 · 2018-05-18 · 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{WXVUUBM2VLLRQCPAWB3YWDV223}

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

Representation stability for ordered Hurwitz spaces

Receipt and verification

First computed	2026-07-05T07:28:41.577411Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5eb4a059aaad71809e0b0778b0ebad6df45db852f5348f90ca969821cddea4f

Aliases

arxiv: 1805.07184 · arxiv_version: 1805.07184v4 · doi: 10.48550/arxiv.1805.07184 · pith_short_12: WXVUUBM2VLLR · pith_short_16: WXVUUBM2VLLRQCPA · pith_short_8: WXVUUBM2

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/WXVUUBM2VLLRQCPAWB3YWDV223 \
  | 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: b5eb4a059aaad71809e0b0778b0ebad6df45db852f5348f90ca969821cddea4f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4775a55d16d8225072fd2c10cf3942f84495b1a9fcf12084a51b788c6a2b14f1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2018-05-18T13:01:55Z",
    "title_canon_sha256": "5535686f527f4a8576e74ea769c36e4b7e0c162d3c6446ec8c09800317954cad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.07184",
    "kind": "arxiv",
    "version": 4
  }
}