pith. sign in
Pith Number

pith:W26O22OV

pith:2014:W26O22OVII3E2NZASPCHRQCGRX
not attested not anchored not stored refs pending

Gauss-Manin connection in disguise: Noether-Lefschetz and Hodge loci

Hossein Movasati

arxiv:1411.1766 v2 · 2014-11-06 · math.AG · math.AT · math.CV

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{W26O22OVII3E2NZASPCHRQCGRX}

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 2026-05-18T01:15:58.998962Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b6bced69d542364d372093c478c0468df8bb5fe98ee140b5b5acc140b8596981

Aliases

arxiv: 1411.1766 · arxiv_version: 1411.1766v2 · doi: 10.48550/arxiv.1411.1766 · pith_short_12: W26O22OVII3E · pith_short_16: W26O22OVII3E2NZA · pith_short_8: W26O22OV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/W26O22OVII3E2NZASPCHRQCGRX \
  | 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: b6bced69d542364d372093c478c0468df8bb5fe98ee140b5b5acc140b8596981
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "ed4a4ce18e9789c980fdc2a840170e5d3d03f643fa870cd5e4953668d81a11db",
    "cross_cats_sorted": [
      "math.AT",
      "math.CV"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2014-11-06T21:01:24Z",
    "title_canon_sha256": "fcf3eeb8f668674be01dc7a79d5eb54798b1dba73f865354b743833d17ddd9d1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1766",
    "kind": "arxiv",
    "version": 2
  }
}