Pith Number

pith:67T6YIVV

pith:2007:67T6YIVVPETN7QS5Z45QXDQLBF

not attested not anchored not stored refs pending

On Landau--Ginzburg models for Fano varieties

Victor Przyjalkowski

arxiv:0707.3758 v3 · 2007-07-25 · 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{67T6YIVVPETN7QS5Z45QXDQLBF}

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	2026-05-18T00:08:58.397738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7e7ec22b57926dfc25dcf3b0b8e0b0952b2daa7122d7850850bada45bd75002

Aliases

arxiv: 0707.3758 · arxiv_version: 0707.3758v3 · doi: 10.48550/arxiv.0707.3758 · pith_short_12: 67T6YIVVPETN · pith_short_16: 67T6YIVVPETN7QS5 · pith_short_8: 67T6YIVV

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/67T6YIVVPETN7QS5Z45QXDQLBF \
  | 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: f7e7ec22b57926dfc25dcf3b0b8e0b0952b2daa7122d7850850bada45bd75002

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b498dc5908d4c4498a01937be225b8fd3dc6f481ce9032192d8c266e45b980b8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2007-07-25T14:57:08Z",
    "title_canon_sha256": "416876584fd02d7a558887cc95c9854e785262d70704da1981586f230e1becc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0707.3758",
    "kind": "arxiv",
    "version": 3
  }
}