Pith Number

pith:2UBTYHGI

pith:2014:2UBTYHGIPUXWNTM2O42P4VGEYY

not attested not anchored not stored refs pending

Schottky via the punctual Hilbert scheme

Mart\'i Lahoz, Martin G. Gulbrandsen

arxiv:1410.4813 v1 · 2014-10-17 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2UBTYHGIPUXWNTM2O42P4VGEYY}

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	2026-05-18T02:39:54.688227Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5033c1cc87d2f66cd9a7734fe54c4c634205f6c231d5bd34ed22d9354328aa0

Aliases

arxiv: 1410.4813 · arxiv_version: 1410.4813v1 · doi: 10.48550/arxiv.1410.4813 · pith_short_12: 2UBTYHGIPUXW · pith_short_16: 2UBTYHGIPUXWNTM2 · pith_short_8: 2UBTYHGI

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/2UBTYHGIPUXWNTM2O42P4VGEYY \
  | 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: d5033c1cc87d2f66cd9a7734fe54c4c634205f6c231d5bd34ed22d9354328aa0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75198a1e5b284098ff1b50bcd2cb754e0a81fa181fdfadfea39c0d83b8465a49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-10-17T18:21:17Z",
    "title_canon_sha256": "ff7429451d1a2497d7a28c53a0abe76de0062b626b644f2621b1cd11053ff19c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.4813",
    "kind": "arxiv",
    "version": 1
  }
}