Pith Number

pith:EUREWPUP

pith:2026:EUREWPUPWX7WOHHUNLNORCIBTV

not attested not anchored not stored refs pending

Curvature at infinity of scalar-flat ALE four-manifolds

Jiangcheng You

arxiv:2606.16176 v1 · 2026-06-15 · math.DG · math.AP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EUREWPUPWX7WOHHUNLNORCIBTV}

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	2026-06-19T16:10:40.180925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

25224b3e8fb5ff671cf46adae889019d78a23086880b1e38e4e2bb5ca9b828d2

Aliases

arxiv: 2606.16176 · arxiv_version: 2606.16176v1 · doi: 10.48550/arxiv.2606.16176 · pith_short_12: EUREWPUPWX7W · pith_short_16: EUREWPUPWX7WOHHU · pith_short_8: EUREWPUP

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/EUREWPUPWX7WOHHUNLNORCIBTV \
  | 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: 25224b3e8fb5ff671cf46adae889019d78a23086880b1e38e4e2bb5ca9b828d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "58dbe46b3b1080602391e60a8e9a6c47335106abed0bbeff7cbe4ff9884e12de",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-06-15T03:44:15Z",
    "title_canon_sha256": "ebb6e481e769e16a9c49662eb35111b9f0ea84549625cfe58d8635e61cec8b22"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.16176",
    "kind": "arxiv",
    "version": 1
  }
}