Pith Number

pith:H4V4WTNB

pith:2011:H4V4WTNBWP2OH5MXDACUTM3LCY

not attested not anchored not stored refs pending

A new linear quotient of C^4 admitting a symplectic resolution

Gwyn Bellamy, Travis Schedler

arxiv:1109.3015 v1 · 2011-09-14 · math.SG · math.AG · math.RA · math.RT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{H4V4WTNBWP2OH5MXDACUTM3LCY}

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	2026-05-18T04:13:06.482891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f2bcb4da1b3f4e3f597180549b36b1632f3d16874d9c541fc5d810fcdae388d

Aliases

arxiv: 1109.3015 · arxiv_version: 1109.3015v1 · doi: 10.48550/arxiv.1109.3015 · pith_short_12: H4V4WTNBWP2O · pith_short_16: H4V4WTNBWP2OH5MX · pith_short_8: H4V4WTNB

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/H4V4WTNBWP2OH5MXDACUTM3LCY \
  | 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: 3f2bcb4da1b3f4e3f597180549b36b1632f3d16874d9c541fc5d810fcdae388d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa88fc2a1ce5a393dded18e7c8acf997b3515eb44ea5e8f14bb5b86eb4e54d33",
    "cross_cats_sorted": [
      "math.AG",
      "math.RA",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SG",
    "submitted_at": "2011-09-14T08:29:32Z",
    "title_canon_sha256": "d53389624c28ef55668eb8862c1faa755747601d178656c753af30ba6401921e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.3015",
    "kind": "arxiv",
    "version": 1
  }
}