Pith Number

pith:XMUBRC2P

pith:2016:XMUBRC2P6XINVSERVR7PLZNIZG

not attested not anchored not stored refs pending

Atlases for Ineffective Orbifolds

Dorette Pronk, Laura Scull, Matteo Tommasini

arxiv:1606.04439 v2 · 2016-06-14 · math.CT · math.AT · 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{XMUBRC2P6XINVSERVR7PLZNIZG}

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	2026-05-18T00:51:17.182382Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb28188b4ff5d0dac891ac7ef5e5a8c98d082e6e5d3a7d1e857c34d5e0ff92c1

Aliases

arxiv: 1606.04439 · arxiv_version: 1606.04439v2 · doi: 10.48550/arxiv.1606.04439 · pith_short_12: XMUBRC2P6XIN · pith_short_16: XMUBRC2P6XINVSER · pith_short_8: XMUBRC2P

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/XMUBRC2P6XINVSERVR7PLZNIZG \
  | 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: bb28188b4ff5d0dac891ac7ef5e5a8c98d082e6e5d3a7d1e857c34d5e0ff92c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b1e860e7b1fc009245b691054404f765753c6027fcc80d0a623e8c125fb4ce2b",
    "cross_cats_sorted": [
      "math.AT",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CT",
    "submitted_at": "2016-06-14T16:19:41Z",
    "title_canon_sha256": "c23ef540441e643246c2e72ce31620ed47f638a86014ee63b7bcae4b7ca96b15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.04439",
    "kind": "arxiv",
    "version": 2
  }
}