Pith Number

pith:CWWYKSEW

pith:2010:CWWYKSEWSV7KM54V7EDY2ATLKJ

not attested not anchored not stored refs pending

Abstract elementary classes and accessible categories

Jiri Rosicky, Tibor Beke

arxiv:1005.2910 v2 · 2010-05-17 · math.CT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWWYKSEWSV7KM54V7EDY2ATLKJ}

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	2026-05-18T03:13:22.128517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15ad854896957ea67795f9078d026b527b7e888bef11e6ed400618346dad5445

Aliases

arxiv: 1005.2910 · arxiv_version: 1005.2910v2 · doi: 10.48550/arxiv.1005.2910 · pith_short_12: CWWYKSEWSV7K · pith_short_16: CWWYKSEWSV7KM54V · pith_short_8: CWWYKSEW

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/CWWYKSEWSV7KM54V7EDY2ATLKJ \
  | 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: 15ad854896957ea67795f9078d026b527b7e888bef11e6ed400618346dad5445

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e1e52ed0d0eb74032ea3af70b159549160fbb359b71f8144a9ee197bbb7d698d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2010-05-17T12:52:34Z",
    "title_canon_sha256": "47f970e67c9faef6270984c36ec4f6d7200831eee5429f1ba7bff0fc9a414337"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1005.2910",
    "kind": "arxiv",
    "version": 2
  }
}