Pith Number

pith:MBDLZFWJ

pith:2017:MBDLZFWJUCHYR3KAQTKPKPE2WC

not attested not anchored not stored refs pending

The Lefschetz question for ideals generated by powers of linear forms in few variables

Juan Migliore, Uwe Nagel

arxiv:1703.07456 v2 · 2017-03-21 · 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{MBDLZFWJUCHYR3KAQTKPKPE2WC}

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	2026-05-18T00:38:20.872771Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6046bc96c9a08f88ed4084d4f53c9ab0aceb69fb42da127dcfb1f6b8810d2107

Aliases

arxiv: 1703.07456 · arxiv_version: 1703.07456v2 · doi: 10.48550/arxiv.1703.07456 · pith_short_12: MBDLZFWJUCHY · pith_short_16: MBDLZFWJUCHYR3KA · pith_short_8: MBDLZFWJ

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/MBDLZFWJUCHYR3KAQTKPKPE2WC \
  | 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: 6046bc96c9a08f88ed4084d4f53c9ab0aceb69fb42da127dcfb1f6b8810d2107

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c56e104536a87612bc9607df273ac10ee050549ff5333f7142f280dc45296e39",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2017-03-21T22:23:27Z",
    "title_canon_sha256": "25efa7ebb9b552ad5615e0d9c05e708415877ed69d64c53f849cf577cb3e7452"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.07456",
    "kind": "arxiv",
    "version": 2
  }
}