Pith Number

pith:AAQWC4IN

pith:2014:AAQWC4IN5EL3FTRSFI3TMLPUUB

not attested not anchored not stored refs pending

Classification of categorical subspaces of locally noetherian schemes

Ryo Kanda

arxiv:1405.4473 v2 · 2014-05-18 · math.AG · math.CT · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AAQWC4IN5EL3FTRSFI3TMLPUUB}

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	2026-05-18T01:19:06.366786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

002161710de917b2ce322a37362df4a07b12561a683a54a544e73c46e20f9244

Aliases

arxiv: 1405.4473 · arxiv_version: 1405.4473v2 · doi: 10.48550/arxiv.1405.4473 · pith_short_12: AAQWC4IN5EL3 · pith_short_16: AAQWC4IN5EL3FTRS · pith_short_8: AAQWC4IN

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/AAQWC4IN5EL3FTRSFI3TMLPUUB \
  | 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: 002161710de917b2ce322a37362df4a07b12561a683a54a544e73c46e20f9244

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a22720cde42c1446375f2f52ac91bb5bf501f23c399a39db8128078ddea39d9",
    "cross_cats_sorted": [
      "math.CT",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-05-18T08:51:21Z",
    "title_canon_sha256": "02673c13d32976c65d016ba855d7af61d50f30e30f6373fbf5bef4692f6faf13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4473",
    "kind": "arxiv",
    "version": 2
  }
}