Pith Number

pith:WMFJX565

pith:2023:WMFJX565SJVHKCBYEJAGTBGXWM

not attested not anchored not stored refs pending

On the properness of the moduli space of stable surfaces over $\mathbb{Z}[1/30]$

Emelie Arvidsson, Fabio Bernasconi, Zsolt Patakfalvi

arxiv:2302.05651 v2 · 2023-02-11 · 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{WMFJX565SJVHKCBYEJAGTBGXWM}

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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

Pathological MMP singularities as $\alpha_p$-quotients

Receipt and verification

First computed	2026-07-05T07:15:52.207754Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b30a9bf7dd926a75083822406984d7b331f3b702fe3908ed813e4871ae887929

Aliases

arxiv: 2302.05651 · arxiv_version: 2302.05651v2 · doi: 10.48550/arxiv.2302.05651 · pith_short_12: WMFJX565SJVH · pith_short_16: WMFJX565SJVHKCBY · pith_short_8: WMFJX565

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/WMFJX565SJVHKCBYEJAGTBGXWM \
  | 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: b30a9bf7dd926a75083822406984d7b331f3b702fe3908ed813e4871ae887929

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3512541902025f1fc3a62124567941b05e4ef372749c6b6131dc2d938ce111b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2023-02-11T10:56:32Z",
    "title_canon_sha256": "649f2c51a012cf47028f30c3bfad8df70fbf4738a6190d542619585543844594"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.05651",
    "kind": "arxiv",
    "version": 2
  }
}