Pith Number

pith:Y5OK6XNU

pith:2023:Y5OK6XNU5GO4VX23LRL4ZSJCJG

not attested not anchored not stored refs pending

Notes on limits of accessible categories

Leonid Positselski

arxiv:2310.16773 v3 · 2023-10-25 · math.CT · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y5OK6XNU5GO4VX23LRL4ZSJCJG}

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

Homomorphisms of topological rings and change-of-scalar functors

Receipt and verification

First computed	2026-07-05T09:20:38.260155Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c75caf5db4e99dcadf5b5c57ccc922498d1e5e25b55fdf7cbd75b18bbc8edcbe

Aliases

arxiv: 2310.16773 · arxiv_version: 2310.16773v3 · doi: 10.48550/arxiv.2310.16773 · pith_short_12: Y5OK6XNU5GO4 · pith_short_16: Y5OK6XNU5GO4VX23 · pith_short_8: Y5OK6XNU

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/Y5OK6XNU5GO4VX23LRL4ZSJCJG \
  | 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: c75caf5db4e99dcadf5b5c57ccc922498d1e5e25b55fdf7cbd75b18bbc8edcbe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "284db8e19c3e94d609bf38750bee9375ddde730a15e280056dc76cf2b4227965",
    "cross_cats_sorted": [
      "math.RA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2023-10-25T17:04:36Z",
    "title_canon_sha256": "87021c7a7143bea9dc85b1ca0340a0712204723703a1b777450ddb217efdf80b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2310.16773",
    "kind": "arxiv",
    "version": 3
  }
}