Pith Number

pith:AIIEBHWH

pith:2018:AIIEBHWHO3OMREC5J5KG7P3KK2

not attested not anchored not stored refs pending

Big and nef classes, Futaki Invariant and resolutions of cubic threefolds

Alberto Della Vedova, Claudio Arezzo

arxiv:1810.08592 v1 · 2018-10-19 · math.DG · 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{AIIEBHWHO3OMREC5J5KG7P3KK2}

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	2026-05-18T00:02:46.233101Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0210409ec776dcc8905d4f546fbf6a56a82e6b332068b330af6389ad79643675

Aliases

arxiv: 1810.08592 · arxiv_version: 1810.08592v1 · doi: 10.48550/arxiv.1810.08592 · pith_short_12: AIIEBHWHO3OM · pith_short_16: AIIEBHWHO3OMREC5 · pith_short_8: AIIEBHWH

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/AIIEBHWHO3OMREC5J5KG7P3KK2 \
  | 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: 0210409ec776dcc8905d4f546fbf6a56a82e6b332068b330af6389ad79643675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa2dae2c8a8398ab42b7b8b7f28534d8a6d7f69d8b85d4abd71ce79493c87e40",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-10-19T17:22:20Z",
    "title_canon_sha256": "7fbd48d7a9f476daf9c058af95699aab5d1c8bb4a06f5e1c6f6df4046e97ba98"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.08592",
    "kind": "arxiv",
    "version": 1
  }
}