Pith Number

pith:Y4CIRXHC

pith:2019:Y4CIRXHCAEBZWJZV4YEFVLSVC6

not attested not anchored not stored refs pending

Gorensteinness and iteration of Cox rings for Fano type varieties

Lukas Braun

arxiv:1903.07996 v2 · 2019-03-19 · 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{Y4CIRXHCAEBZWJZV4YEFVLSVC6}

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	2026-05-17T23:49:08.746038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c70488dce201039b2735e6085aae5517bcbd522e92add77a49bafdb8dd29f8cc

Aliases

arxiv: 1903.07996 · arxiv_version: 1903.07996v2 · doi: 10.48550/arxiv.1903.07996 · pith_short_12: Y4CIRXHCAEBZ · pith_short_16: Y4CIRXHCAEBZWJZV · pith_short_8: Y4CIRXHC

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/Y4CIRXHCAEBZWJZV4YEFVLSVC6 \
  | 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: c70488dce201039b2735e6085aae5517bcbd522e92add77a49bafdb8dd29f8cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5405afea1c1942f70cae2a4a9fdd127183370508b7429c2c54b9ae01ad45926e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2019-03-19T13:38:43Z",
    "title_canon_sha256": "cbb5e1a09304919dbfb9c4ac5ab08bb6f099d5ffcc4bf2b4a81c96ddbb6c2acd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.07996",
    "kind": "arxiv",
    "version": 2
  }
}