Pith Number

pith:S6XPBMDB

pith:2015:S6XPBMDBRC6AC4HKF2YVROSQMK

not attested not anchored not stored refs pending

On the quantum periods of del Pezzo surfaces with $\frac{1}{3}(1,1)$ singularities

Alessandro Oneto, Andrea Petracci

arxiv:1507.08589 v1 · 2015-07-30 · 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{S6XPBMDBRC6AC4HKF2YVROSQMK}

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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.

Cited by

1 paper in Pith

Toric Landau-Ginzburg models in threefold divisorial contractions

Receipt and verification

First computed	2026-05-17T23:54:42.062643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97aef0b06188bc0170ea2eb158ba5062af64acab17a0e7cd4cf599eb7f4c1023

Aliases

arxiv: 1507.08589 · arxiv_version: 1507.08589v1 · doi: 10.48550/arxiv.1507.08589 · pith_short_12: S6XPBMDBRC6A · pith_short_16: S6XPBMDBRC6AC4HK · pith_short_8: S6XPBMDB

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/S6XPBMDBRC6AC4HKF2YVROSQMK \
  | 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: 97aef0b06188bc0170ea2eb158ba5062af64acab17a0e7cd4cf599eb7f4c1023

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3c274e417a9bd2ace9f16de82d5c565a693cab4be1c56beb9e7422251a9b08d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2015-07-30T17:16:59Z",
    "title_canon_sha256": "ee6fcc327160e49e217f6a9b4ccbf139d2e24973990b4926286aa6e14521a3bd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08589",
    "kind": "arxiv",
    "version": 1
  }
}