Pith Number

pith:OC4WQ25I

pith:2026:OC4WQ25ITXL4POZVS65WQQRUSF

not attested not anchored not stored refs pending

Nondegenerate neck pinches along the mean curvature flow

G\'abor Sz\'ekelyhidi

arxiv:2603.11022 v2 · 2026-03-11 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OC4WQ25ITXL4POZVS65WQQRUSF}

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.

Cited by

1 paper in Pith

Mean convex flows with surgery

Receipt and verification

First computed	2026-06-02T01:04:16.056511Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

70b9686ba89dd7c7bb3597bb684234915ca437a65d26cc57f13605cdbfe44117

Aliases

arxiv: 2603.11022 · arxiv_version: 2603.11022v2 · doi: 10.48550/arxiv.2603.11022 · pith_short_12: OC4WQ25ITXL4 · pith_short_16: OC4WQ25ITXL4POZV · pith_short_8: OC4WQ25I

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/OC4WQ25ITXL4POZVS65WQQRUSF \
  | 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: 70b9686ba89dd7c7bb3597bb684234915ca437a65d26cc57f13605cdbfe44117

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e07b4358f304defd12172e11e3ac4dd6a42bdfe4dd470566af2354b1f8e09c4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2026-03-11T17:48:48Z",
    "title_canon_sha256": "afd5c8e847a243f4a2190c5326b51675c0e992715e5803872d0a1a2f051fd00b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.11022",
    "kind": "arxiv",
    "version": 2
  }
}