Pith Number

pith:DG2ZCJED

pith:2018:DG2ZCJEDJHVNIL4Q3CPNSZJJFF

not attested not anchored not stored refs pending

Punctured spheres in complex hyperbolic surfaces and bielliptic ball quotient compactifications

Luca F. Di Cerbo, Matthew Stover

arxiv:1801.01575 v2 · 2018-01-04 · math.GT · math.AG · 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{DG2ZCJEDJHVNIL4Q3CPNSZJJFF}

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	2026-05-18T00:12:13.970163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19b591248349ead42f90d89ed96529296e4ca3a147c26824cc005a4e5aec335f

Aliases

arxiv: 1801.01575 · arxiv_version: 1801.01575v2 · doi: 10.48550/arxiv.1801.01575 · pith_short_12: DG2ZCJEDJHVN · pith_short_16: DG2ZCJEDJHVNIL4Q · pith_short_8: DG2ZCJED

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/DG2ZCJEDJHVNIL4Q3CPNSZJJFF \
  | 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: 19b591248349ead42f90d89ed96529296e4ca3a147c26824cc005a4e5aec335f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f3366a3e639f7cff0750f138cfaab4fd47fd306c3b1441a14711ac7fd75d1c",
    "cross_cats_sorted": [
      "math.AG",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2018-01-04T23:06:42Z",
    "title_canon_sha256": "8357210db5dc28a07c65785b914d0784e7822e35016d0435eb43a8082f56fdbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01575",
    "kind": "arxiv",
    "version": 2
  }
}