Pith Number

pith:SRWQK26S

pith:2010:SRWQK26S6DZFP4IDOCWPHWJ5WV

not attested not anchored not stored refs pending

Bounded derived categories of very simple manifolds

Keiji Oguiso

arxiv:1002.2809 v2 · 2010-02-15 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRWQK26S6DZFP4IDOCWPHWJ5WV}

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	2026-05-18T02:09:08.389480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

946d056bd2f0f257f10370acf3d93db56dab2f4eae88ba68b077247d24ee2296

Aliases

arxiv: 1002.2809 · arxiv_version: 1002.2809v2 · doi: 10.48550/arxiv.1002.2809 · pith_short_12: SRWQK26S6DZF · pith_short_16: SRWQK26S6DZFP4ID · pith_short_8: SRWQK26S

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/SRWQK26S6DZFP4IDOCWPHWJ5WV \
  | 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: 946d056bd2f0f257f10370acf3d93db56dab2f4eae88ba68b077247d24ee2296

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56f1d379fa808e5c6e06b800ae69bc0f8990cbf1bde7786990956b3e1b0b6fee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-02-15T00:02:29Z",
    "title_canon_sha256": "0bdb44d65f9ee8166082f62dafb6ca67215422c66297959173141bf41ec7bec9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1002.2809",
    "kind": "arxiv",
    "version": 2
  }
}