Pith Number

pith:DFV3CODI

pith:2009:DFV3CODIOSKITVB3TGLIODXWN5

not attested not anchored not stored refs pending

Blowdowns and McKay correspondence on four dimensional quasitoric orbifolds

Mainak Poddar, Saibal Ganguli

arxiv:0911.0766 v3 · 2009-11-04 · math.DG · math.GT · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DFV3CODIOSKITVB3TGLIODXWN5}

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	2026-05-18T04:10:57.309980Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

196bb13868749489d43b9996870ef66f53bd8a3e1e50f9c353a1ee0596a46b34

Aliases

arxiv: 0911.0766 · arxiv_version: 0911.0766v3 · doi: 10.48550/arxiv.0911.0766 · pith_short_12: DFV3CODIOSKI · pith_short_16: DFV3CODIOSKITVB3 · pith_short_8: DFV3CODI

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/DFV3CODIOSKITVB3TGLIODXWN5 \
  | 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: 196bb13868749489d43b9996870ef66f53bd8a3e1e50f9c353a1ee0596a46b34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3cd2f49d9a6977365490460b697c90277bcee38a220188daed90d7b2db7d52ce",
    "cross_cats_sorted": [
      "math.GT",
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-11-04T10:11:21Z",
    "title_canon_sha256": "8fe9d26a2cedd473d7f6d54d6bcfff76a7970aec38f8188f34bb7972c28c907a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.0766",
    "kind": "arxiv",
    "version": 3
  }
}