Pith Number

pith:DOZBSXKK

pith:2010:DOZBSXKKIBZFBYYAQNAK2MGUI3

not attested not anchored not stored refs pending

Some submanifolds of almost contact manifolds with Norden metric

Galia Nakova

arxiv:1009.1718 v1 · 2010-09-09 · 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{DOZBSXKKIBZFBYYAQNAK2MGUI3}

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	2026-05-18T04:41:06.401213Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bb2195d4a407250e3008340ad30d446d5b64015d00d72b4f7dde4e29c438eda

Aliases

arxiv: 1009.1718 · arxiv_version: 1009.1718v1 · doi: 10.48550/arxiv.1009.1718 · pith_short_12: DOZBSXKKIBZF · pith_short_16: DOZBSXKKIBZFBYYA · pith_short_8: DOZBSXKK

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/DOZBSXKKIBZFBYYAQNAK2MGUI3 \
  | 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: 1bb2195d4a407250e3008340ad30d446d5b64015d00d72b4f7dde4e29c438eda

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c35be4d109ba1073c6ed53a1dcd22a35e4a14d91e3f4d4a2ae3aaad9f26e97e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2010-09-09T09:36:04Z",
    "title_canon_sha256": "bd3b7c34ab879fb94d7ccf918b36b3db33f8eeda710a4b1499b5b130aedda7c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1718",
    "kind": "arxiv",
    "version": 1
  }
}