Pith Number

pith:PYFYYR7L

pith:2018:PYFYYR7LISQZSLXPBRAA2QHMIX

not attested not anchored not stored refs pending

Tilting bundles on hypertoric varieties

Michel Van den Bergh, \v{S}pela \v{S}penko

arxiv:1805.05285 v3 · 2018-05-14 · 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{PYFYYR7LISQZSLXPBRAA2QHMIX}

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	2026-05-18T00:14:53.299163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e0b8c47eb44a1992eef0c400d40ec45de06bb9896c31e16ca8851dbcf02a502

Aliases

arxiv: 1805.05285 · arxiv_version: 1805.05285v3 · doi: 10.48550/arxiv.1805.05285 · pith_short_12: PYFYYR7LISQZ · pith_short_16: PYFYYR7LISQZSLXP · pith_short_8: PYFYYR7L

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/PYFYYR7LISQZSLXPBRAA2QHMIX \
  | 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: 7e0b8c47eb44a1992eef0c400d40ec45de06bb9896c31e16ca8851dbcf02a502

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "886516a5825686a111261aad70b910a5580db26dd85a06bb2731ca48248ffbf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-05-14T16:55:45Z",
    "title_canon_sha256": "e397997bf1de21787b9749e1feedde281d97867e25296e28240aace6611d0d47"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05285",
    "kind": "arxiv",
    "version": 3
  }
}