Pith Number

pith:ILY77BKL

pith:2012:ILY77BKLOBQKWJAS57WJEN5PUO

not attested not anchored not stored refs pending

Non-embeddable 1-convex manifolds

Jan Stevens

arxiv:1209.6371 v2 · 2012-09-27 · math.CV · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ILY77BKLOBQKWJAS57WJEN5PUO}

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	2026-05-17T23:58:42.800931Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42f1ff854b7060ab2412efec9237afa3b274de2e9fb23c813665b78248b81104

Aliases

arxiv: 1209.6371 · arxiv_version: 1209.6371v2 · doi: 10.48550/arxiv.1209.6371 · pith_short_12: ILY77BKLOBQK · pith_short_16: ILY77BKLOBQKWJAS · pith_short_8: ILY77BKL

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/ILY77BKLOBQKWJAS57WJEN5PUO \
  | 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: 42f1ff854b7060ab2412efec9237afa3b274de2e9fb23c813665b78248b81104

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "360e760108e5b0909f97c2270be1d9faae4d49acdd22a39c2a9e7e8560b75466",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2012-09-27T20:34:30Z",
    "title_canon_sha256": "ac34ded8179bfa91d16e51d32340918796c53ac683afe9ca2cf4100f0f80e2a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.6371",
    "kind": "arxiv",
    "version": 2
  }
}