Pith Number

pith:QBXT6K2K

pith:2017:QBXT6K2KP3D6QP2BULXIUSTM4Q

not attested not anchored not stored refs pending

On the ranks of the third secant variety of Segre-Veronese embeddings

Alessandra Bernardi, Edoardo Ballico

arxiv:1701.06845 v2 · 2017-01-24 · math.AG · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QBXT6K2KP3D6QP2BULXIUSTM4Q}

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	2026-05-18T00:25:42.258286Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

806f3f2b4a7ec7e83f41a2ee8a4a6ce4351941eab3c89232e67550f2d890b3af

Aliases

arxiv: 1701.06845 · arxiv_version: 1701.06845v2 · doi: 10.48550/arxiv.1701.06845 · pith_short_12: QBXT6K2KP3D6 · pith_short_16: QBXT6K2KP3D6QP2B · pith_short_8: QBXT6K2K

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/QBXT6K2KP3D6QP2BULXIUSTM4Q \
  | 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: 806f3f2b4a7ec7e83f41a2ee8a4a6ce4351941eab3c89232e67550f2d890b3af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40d14271ea77413f77a62aca6c311473a28103f946f71c1fcd8942e7c101f423",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-01-24T12:44:35Z",
    "title_canon_sha256": "57cf36e72293e2bfe5ea18315a313522d5f3a28aec1440dd21501625a5601b13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06845",
    "kind": "arxiv",
    "version": 2
  }
}