Pith Number

pith:UG2CXVWZ

pith:2016:UG2CXVWZUZUGKNH6Q43AXLT5KY

not attested not anchored not stored refs pending

Mapping toric varieties into low dimensional spaces

Emilie Dufresne, Jack Jeffries

arxiv:1602.07585 v2 · 2016-02-24 · math.AC · 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{UG2CXVWZUZUGKNH6Q43AXLT5KY}

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	2026-05-18T00:15:07.995342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1b42bd6d9a6686534fe87360bae7d561cbbc33ffa55b473f9ac63e01f791c95

Aliases

arxiv: 1602.07585 · arxiv_version: 1602.07585v2 · doi: 10.48550/arxiv.1602.07585 · pith_short_12: UG2CXVWZUZUG · pith_short_16: UG2CXVWZUZUGKNH6 · pith_short_8: UG2CXVWZ

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/UG2CXVWZUZUGKNH6Q43AXLT5KY \
  | 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: a1b42bd6d9a6686534fe87360bae7d561cbbc33ffa55b473f9ac63e01f791c95

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62b11787f9d248597c0220dda7532bbb0faa96adf98d0651dd691e73e62f1545",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2016-02-24T16:35:59Z",
    "title_canon_sha256": "1ee13b2f19366e2ada30ed7a44e9ec192cf5bb6de53e65075da545eed8c6d77e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07585",
    "kind": "arxiv",
    "version": 2
  }
}