Pith Number

pith:37IUCA5Q

pith:2015:37IUCA5Q5I2NKW2HPMF3NIEPXV

not attested not anchored not stored refs pending

Hodge Theory and Deformations of Affine Cones of Subcanonical Projective Varieties

Carmelo Di Natale, Domenico Fiorenza, Enrico Fatighenti

arxiv:1512.00835 v4 · 2015-12-02 · 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{37IUCA5Q5I2NKW2HPMF3NIEPXV}

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	2026-05-18T00:34:52.980723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfd14103b0ea34d55b477b0bb6a08fbd68f05d72ed1953eb316364d249d0dbb0

Aliases

arxiv: 1512.00835 · arxiv_version: 1512.00835v4 · doi: 10.48550/arxiv.1512.00835 · pith_short_12: 37IUCA5Q5I2N · pith_short_16: 37IUCA5Q5I2NKW2H · pith_short_8: 37IUCA5Q

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/37IUCA5Q5I2NKW2HPMF3NIEPXV \
  | 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: dfd14103b0ea34d55b477b0bb6a08fbd68f05d72ed1953eb316364d249d0dbb0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd551d0a0a8c38e8faf6fcfb9b939df0dbcd058b2b98ee07ec2396852255a6be",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-12-02T20:38:19Z",
    "title_canon_sha256": "3bcdb2644ad9b5c1e6295bd0654368e4483be8e8ca101704d18ecdcb6539dbac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.00835",
    "kind": "arxiv",
    "version": 4
  }
}