Pith Number

pith:GCDTWHLI

pith:2026:GCDTWHLIGJSURTE47Q3ULNKWEN

not attested not anchored not stored refs pending

Triangulating surfaces quasi-isometrically

Agelos Georgakopoulos, Federico Vigolo

arxiv:2603.21189 v2 · 2026-03-22 · 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{GCDTWHLIGJSURTE47Q3ULNKWEN}

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	2026-05-20T00:03:08.996275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30873b1d68326548cc9cfc3745b556236fc16d4a0931f27b269360a683b98873

Aliases

arxiv: 2603.21189 · arxiv_version: 2603.21189v2 · doi: 10.48550/arxiv.2603.21189 · pith_short_12: GCDTWHLIGJSU · pith_short_16: GCDTWHLIGJSURTE4 · pith_short_8: GCDTWHLI

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/GCDTWHLIGJSURTE47Q3ULNKWEN \
  | 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: 30873b1d68326548cc9cfc3745b556236fc16d4a0931f27b269360a683b98873

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a041f42a4035c10dc713f78cf6d218f82cce6bd8a9c855acb1944c6c1cac1d5e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.MG",
    "submitted_at": "2026-03-22T12:22:39Z",
    "title_canon_sha256": "ef9f397071098183ca88a02aa77cfff59826879dd19fa50d3e43fdc0712a3002"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.21189",
    "kind": "arxiv",
    "version": 2
  }
}