Pith Number

pith:YP2AGQXQ

pith:2015:YP2AGQXQVDH4RJXNIE2Y2JYV6V

not attested not anchored not stored refs pending

A Q-factorial complete toric variety is a quotient of a poly weighted space

Lea Terracini, Michele Rossi

arxiv:1502.00879 v3 · 2015-02-03 · 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{YP2AGQXQVDH4RJXNIE2Y2JYV6V}

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	2026-05-18T00:15:42.509522Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3f40342f0a8cfc8a6ed41358d2715f546099c953387634ad8a9342a09de4da3

Aliases

arxiv: 1502.00879 · arxiv_version: 1502.00879v3 · doi: 10.48550/arxiv.1502.00879 · pith_short_12: YP2AGQXQVDH4 · pith_short_16: YP2AGQXQVDH4RJXN · pith_short_8: YP2AGQXQ

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/YP2AGQXQVDH4RJXNIE2Y2JYV6V \
  | 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: c3f40342f0a8cfc8a6ed41358d2715f546099c953387634ad8a9342a09de4da3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e538d1e01b83224cb1d5b5df1ac5bcea1a164feb26fec7ce026a32e030978568",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-02-03T14:55:43Z",
    "title_canon_sha256": "06e266f7515ca475e5c5c9179e7d37bc3079f3e8e7c26bc8f8177f8e6509c7f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.00879",
    "kind": "arxiv",
    "version": 3
  }
}