Pith Number

pith:V7IXFIIZ

pith:2010:V7IXFIIZEXWDSBG3CC5GGMOVJC

not attested not anchored not stored refs pending

Deformations of algebraic subvarieties

Donatella Iacono

arxiv:1003.3333 v1 · 2010-03-17 · 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{V7IXFIIZEXWDSBG3CC5GGMOVJC}

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	2026-05-18T04:06:46.335665Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

afd172a11925ec3904db10ba6331d548a87ac5ac3f7249b3dcdab6b51bed6d41

Aliases

arxiv: 1003.3333 · arxiv_version: 1003.3333v1 · doi: 10.48550/arxiv.1003.3333 · pith_short_12: V7IXFIIZEXWD · pith_short_16: V7IXFIIZEXWDSBG3 · pith_short_8: V7IXFIIZ

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/V7IXFIIZEXWDSBG3CC5GGMOVJC \
  | 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: afd172a11925ec3904db10ba6331d548a87ac5ac3f7249b3dcdab6b51bed6d41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98b6a9a7847149009d2e18bbde4ecde2cac37538600ba321f4283d354fb9487e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-03-17T09:33:12Z",
    "title_canon_sha256": "dbd071a687a83ed8ec562ce29edd0ba319309e52671366e67dda46bd0d9aee5a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1003.3333",
    "kind": "arxiv",
    "version": 1
  }
}