Pith Number

pith:N7HTBOOB

pith:2016:N7HTBOOBROBSB33DDDCGKIKPHJ

not attested not anchored not stored refs pending

Varieties of apolar subschemes of toric surfaces

Kristian Ranestad, Matteo Gallet, Nelly Villamizar

arxiv:1601.00694 v2 · 2016-01-04 · 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{N7HTBOOBROBSB33DDDCGKIKPHJ}

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	2026-05-18T00:43:03.139556Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fcf30b9c18b8320ef6318c465214f3a6e2a21e0d9a4c00e6b03e717ed5bbd30

Aliases

arxiv: 1601.00694 · arxiv_version: 1601.00694v2 · doi: 10.48550/arxiv.1601.00694 · pith_short_12: N7HTBOOBROBS · pith_short_16: N7HTBOOBROBSB33D · pith_short_8: N7HTBOOB

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/N7HTBOOBROBSB33DDDCGKIKPHJ \
  | 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: 6fcf30b9c18b8320ef6318c465214f3a6e2a21e0d9a4c00e6b03e717ed5bbd30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "374011fd3ddd57751617175fa6bd816c32aec3dec09e46c8f4ffb8a6bf87d14e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2016-01-04T22:58:30Z",
    "title_canon_sha256": "8b61df3c9569e4d10ee8cef727cadabbbfc01f76dd99856b27b200fe3513f128"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.00694",
    "kind": "arxiv",
    "version": 2
  }
}