Pith Number

pith:GX7IPZTD

pith:2017:GX7IPZTD5XWH5R4S76GY5SC4TJ

not attested not anchored not stored refs pending

A decomposition theorem for smoothable varieties with trivial canonical class

Henri Guenancia, St\'ephane Druel

arxiv:1704.01800 v1 · 2017-04-06 · 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{GX7IPZTD5XWH5R4S76GY5SC4TJ}

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	2026-05-18T00:46:54.322505Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

35fe87e663edec7ec792ff8d8ec85c9a59a765376d2086d4763b36f00ba8e4c4

Aliases

arxiv: 1704.01800 · arxiv_version: 1704.01800v1 · doi: 10.48550/arxiv.1704.01800 · pith_short_12: GX7IPZTD5XWH · pith_short_16: GX7IPZTD5XWH5R4S · pith_short_8: GX7IPZTD

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/GX7IPZTD5XWH5R4S76GY5SC4TJ \
  | 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: 35fe87e663edec7ec792ff8d8ec85c9a59a765376d2086d4763b36f00ba8e4c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "37e07df2d8a8fc01c0993635a016825ea5011f4e6c56f2aaa51c454dc4b80a12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-04-06T12:18:47Z",
    "title_canon_sha256": "f0aeb77d0fae115ddcad3ad17ee126ab67871d3afd1529aa45c7eed756f2a6ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01800",
    "kind": "arxiv",
    "version": 1
  }
}