Pith Number

pith:66WXQMGM

pith:2015:66WXQMGMYJJOAJIDB6DXPJPERZ

not attested not anchored not stored refs pending

Suborbifolds, quotients and transversality

Martin Weilandt

arxiv:1512.08937 v4 · 2015-12-30 · math.GT · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{66WXQMGMYJJOAJIDB6DXPJPERZ}

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	2026-05-18T00:48:05.756006Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7ad7830ccc252e025030f8777a5e48e7a28995d909bb58b874df0da0444922c

Aliases

arxiv: 1512.08937 · arxiv_version: 1512.08937v4 · doi: 10.48550/arxiv.1512.08937 · pith_short_12: 66WXQMGMYJJO · pith_short_16: 66WXQMGMYJJOAJID · pith_short_8: 66WXQMGM

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/66WXQMGMYJJOAJIDB6DXPJPERZ \
  | 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: f7ad7830ccc252e025030f8777a5e48e7a28995d909bb58b874df0da0444922c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ae485a62933a927cec853ecbff12bd8b12505429fb7c1b9e51aeff990874e090",
    "cross_cats_sorted": [
      "math.DG",
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2015-12-30T13:26:59Z",
    "title_canon_sha256": "c07861be37f9ae6e3d85be7054f6a23f484eff046396da176ed28d0e67719712"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.08937",
    "kind": "arxiv",
    "version": 4
  }
}