Pith Number

pith:RZX52TQZ

pith:2009:RZX52TQZQRSOYHEKFVBLCJWYNR

not attested not anchored not stored refs pending

P-connection on Riemannian almost product manifolds

Dimitar Mekerov

arxiv:0907.1502 v1 · 2009-07-09 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RZX52TQZQRSOYHEKFVBLCJWYNR}

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	2026-05-18T04:31:20.547446Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8e6fdd4e198464ec1c8a2d42b126d86c4f48a7a7f29c01a121cdfba3cb97841c

Aliases

arxiv: 0907.1502 · arxiv_version: 0907.1502v1 · doi: 10.48550/arxiv.0907.1502 · pith_short_12: RZX52TQZQRSO · pith_short_16: RZX52TQZQRSOYHEK · pith_short_8: RZX52TQZ

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/RZX52TQZQRSOYHEKFVBLCJWYNR \
  | 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: 8e6fdd4e198464ec1c8a2d42b126d86c4f48a7a7f29c01a121cdfba3cb97841c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a964b1b14d05182ef0acda7c9e6062c3d967bb84f7d5656d5bfbdb1bb7188151",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-07-09T11:06:57Z",
    "title_canon_sha256": "4354549330c5f85a1c6247d666782fea14b9ac435ce5b295449fb8c6b9345d2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.1502",
    "kind": "arxiv",
    "version": 1
  }
}