Pith Number

pith:XMFMD7GA

pith:2017:XMFMD7GAZ3VF7SUMSSODQ7JYDJ

not attested not anchored not stored refs pending

A remark on hyperplane sections of rational normal scrolls

Aldo Conca, Daniele Faenzi

arxiv:1709.08332 v1 · 2017-09-25 · 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{XMFMD7GAZ3VF7SUMSSODQ7JYDJ}

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	2026-05-18T00:34:25.850391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb0ac1fcc0ceea5fca8c949c387d381a55e4cd02289dcce2e184c3af755dbc41

Aliases

arxiv: 1709.08332 · arxiv_version: 1709.08332v1 · doi: 10.48550/arxiv.1709.08332 · pith_short_12: XMFMD7GAZ3VF · pith_short_16: XMFMD7GAZ3VF7SUM · pith_short_8: XMFMD7GA

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/XMFMD7GAZ3VF7SUMSSODQ7JYDJ \
  | 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: bb0ac1fcc0ceea5fca8c949c387d381a55e4cd02289dcce2e184c3af755dbc41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6747a366171f3d1c6a1af2bd64e051d9aea1b073515372dc500bbf648042f14f",
    "cross_cats_sorted": [
      "math.AC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2017-09-25T06:02:24Z",
    "title_canon_sha256": "72132a3872c8772022d5097d117f2490bd2998736c8d0ab83f427aea27aaece9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08332",
    "kind": "arxiv",
    "version": 1
  }
}