Pith Number

pith:JSSJGL6U

pith:2011:JSSJGL6UFGGSCBUT66M5E63XLI

not attested not anchored not stored refs pending

Plane Cremona maps: saturation and regularity of the base ideal

A. Simis, S. H. Hassanzadeh

arxiv:1109.2815 v4 · 2011-09-13 · math.AC · 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{JSSJGL6UFGGSCBUT66M5E63XLI}

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	2026-05-18T03:59:13.796497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4ca4932fd4298d210693f799d27b775a254ff617bf0a16b39df0658cae8f11b1

Aliases

arxiv: 1109.2815 · arxiv_version: 1109.2815v4 · doi: 10.48550/arxiv.1109.2815 · pith_short_12: JSSJGL6UFGGS · pith_short_16: JSSJGL6UFGGSCBUT · pith_short_8: JSSJGL6U

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/JSSJGL6UFGGSCBUT66M5E63XLI \
  | 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: 4ca4932fd4298d210693f799d27b775a254ff617bf0a16b39df0658cae8f11b1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6c8c704b492fde89850bcab1bf75ae0b1ff8fcc0ed6be3b5b7bd24a523303f4",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2011-09-13T14:59:24Z",
    "title_canon_sha256": "1c124cccc8cc49af29c99ec4be7acca9a5c7fa41ac28c22b89d5365fa1d9ad7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2815",
    "kind": "arxiv",
    "version": 4
  }
}