Pith Number

pith:UQUOGS3T

pith:2018:UQUOGS3T5QHZF5E7UA3OHLGJRS

not attested not anchored not stored refs pending

Learning Algebraic Varieties from Samples

Bernd Sturmfels, Madeleine Weinstein, Paul Breiding, Sara Kalisnik Verovsek

arxiv:1802.09436 v2 · 2018-02-26 · 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{UQUOGS3T5QHZF5E7UA3OHLGJRS}

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	2026-05-18T00:08:00.551498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a428e34b73ec0f92f49fa036e3acc98cb1442ea57a1f9535808aff0212cfcdb3

Aliases

arxiv: 1802.09436 · arxiv_version: 1802.09436v2 · doi: 10.48550/arxiv.1802.09436 · pith_short_12: UQUOGS3T5QHZ · pith_short_16: UQUOGS3T5QHZF5E7 · pith_short_8: UQUOGS3T

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/UQUOGS3T5QHZF5E7UA3OHLGJRS \
  | 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: a428e34b73ec0f92f49fa036e3acc98cb1442ea57a1f9535808aff0212cfcdb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8220be0649d4078917991d37f4ab9861342c9861d0dc08ad02560c3c18ce5f96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-02-26T16:27:26Z",
    "title_canon_sha256": "f224ecf710cc7afe537b820eb739bb49f4d00695f9ad02f29622c10719ec7d64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.09436",
    "kind": "arxiv",
    "version": 2
  }
}