Pith Number

pith:J6MWXNDT

pith:2008:J6MWXNDTYV7OFFBASUA5ENWOIK

not attested not anchored not stored refs pending

A class of locally conformally flat 4-manifolds

Mustafa Kalafat, Selman Akbulut

arxiv:0807.0837 v5 · 2008-07-05 · math.DG · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{J6MWXNDTYV7OFFBASUA5ENWOIK}

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	2026-05-18T03:35:26.814345Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4f996bb473c57ee294209501d236ce428c6178c669c8e6e459d4418ce3c6878a

Aliases

arxiv: 0807.0837 · arxiv_version: 0807.0837v5 · doi: 10.48550/arxiv.0807.0837 · pith_short_12: J6MWXNDTYV7O · pith_short_16: J6MWXNDTYV7OFFBA · pith_short_8: J6MWXNDT

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/J6MWXNDTYV7OFFBASUA5ENWOIK \
  | 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: 4f996bb473c57ee294209501d236ce428c6178c669c8e6e459d4418ce3c6878a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8cbfd8fd76993f8e3b17d180670053d3a4c520a75d63caabafc7f3c14ba227ec",
    "cross_cats_sorted": [
      "math.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2008-07-05T02:56:44Z",
    "title_canon_sha256": "90cdf1ebda8f988809b729409056d9adf30b4fcbfc780baa8df44ef8be7aeb8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0807.0837",
    "kind": "arxiv",
    "version": 5
  }
}