Pith Number

pith:S72X54CH

pith:2016:S72X54CHCJOW4GOLB7SN3H7KQO

not attested not anchored not stored refs pending

On non-secant defectivity of Segre-Veronese varieties

Alex Massarenti, Carolina Araujo, Rick Rischter

arxiv:1611.01674 v1 · 2016-11-05 · math.AG · math.DG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{S72X54CHCJOW4GOLB7SN3H7KQO}

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	2026-05-18T01:00:04.725440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97f57ef047125d6e19cb0fe4dd9fea839775a19459e8d8b877e07417d6a3d6cd

Aliases

arxiv: 1611.01674 · arxiv_version: 1611.01674v1 · doi: 10.48550/arxiv.1611.01674 · pith_short_12: S72X54CHCJOW · pith_short_16: S72X54CHCJOW4GOL · pith_short_8: S72X54CH

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/S72X54CHCJOW4GOLB7SN3H7KQO \
  | 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: 97f57ef047125d6e19cb0fe4dd9fea839775a19459e8d8b877e07417d6a3d6cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc3df5ebfdcf4ac30233f1cc2997de8b74e21ea1a57712f848716754b0ad21c2",
    "cross_cats_sorted": [
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-11-05T17:02:28Z",
    "title_canon_sha256": "b0847cdb3051303804ec71e36dee1bc3876d59770a610207496ee7761e8ceac2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.01674",
    "kind": "arxiv",
    "version": 1
  }
}