Pith Number

pith:EY6B4OAU

pith:2009:EY6B4OAUDHWB4ZRWCFWV2RIA6B

not attested not anchored not stored refs pending

Demazure resolutions as varieties of lattices with infinitesimal structure

Martin Kreidl

arxiv:0907.3855 v2 · 2009-07-22 · 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{EY6B4OAUDHWB4ZRWCFWV2RIA6B}

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	2026-05-18T04:39:59.572715Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

263c1e381419ec1e6636116d5d4500f07c999f1ff17be6951dd2c75c13fcbc32

Aliases

arxiv: 0907.3855 · arxiv_version: 0907.3855v2 · doi: 10.48550/arxiv.0907.3855 · pith_short_12: EY6B4OAUDHWB · pith_short_16: EY6B4OAUDHWB4ZRW · pith_short_8: EY6B4OAU

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/EY6B4OAUDHWB4ZRWCFWV2RIA6B \
  | 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: 263c1e381419ec1e6636116d5d4500f07c999f1ff17be6951dd2c75c13fcbc32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c03473f8518010df3342f3180b8614c6e3da1a7774d17942d9eb87bba4a36494",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2009-07-22T14:49:45Z",
    "title_canon_sha256": "aa67430a0f65331223d0a1c0336d639b965a1894d74dd50c0d5a45a782962538"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0907.3855",
    "kind": "arxiv",
    "version": 2
  }
}