Pith Number

pith:NSUQETVF

pith:2014:NSUQETVFBWUHSNVLLSBIKSYB2Y

not attested not anchored not stored refs pending

Isometric actions on spheres with an orbifold quotient

Alexander Lytchak, Claudio Gorodski

arxiv:1407.5863 v1 · 2014-07-22 · math.DG · math.MG · 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{NSUQETVFBWUHSNVLLSBIKSYB2Y}

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	2026-05-18T00:48:55.243858Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ca9024ea50da87936ab5c82854b01d6290b749fb7ab4d88efd39f931c00d68d

Aliases

arxiv: 1407.5863 · arxiv_version: 1407.5863v1 · doi: 10.48550/arxiv.1407.5863 · pith_short_12: NSUQETVFBWUH · pith_short_16: NSUQETVFBWUHSNVL · pith_short_8: NSUQETVF

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/NSUQETVFBWUHSNVLLSBIKSYB2Y \
  | 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: 6ca9024ea50da87936ab5c82854b01d6290b749fb7ab4d88efd39f931c00d68d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18b8709e625fd5e35764965826a73e2581f3a414528b7f11e1e6cd9e134b7946",
    "cross_cats_sorted": [
      "math.MG",
      "math.RT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2014-07-22T13:50:03Z",
    "title_canon_sha256": "fed57258dff67287cfdad4f53c1081eb4d97c6059aedb9554b6c7fe0191d731d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.5863",
    "kind": "arxiv",
    "version": 1
  }
}