Pith Number

pith:K7GN63FS

pith:2026:K7GN63FS2FSFE5CBDDJZXSKAFV

not attested not anchored not stored refs pending

Hulls and boundaries in $\mathbb{C}^n$

Josias Reppekus, Nikolay Shcherbina, Stefan Nemirovski

arxiv:2605.25800 v1 · 2026-05-25 · math.CV · math.SG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{K7GN63FS2FSFE5CBDDJZXSKAFV}

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	2026-05-26T02:05:12.278407Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

57ccdf6cb2d16452744118d39bc9402d6bf7f9bcbc0ca9f73ef7291608236a76

Aliases

arxiv: 2605.25800 · arxiv_version: 2605.25800v1 · doi: 10.48550/arxiv.2605.25800 · pith_short_12: K7GN63FS2FSF · pith_short_16: K7GN63FS2FSFE5CB · pith_short_8: K7GN63FS

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/K7GN63FS2FSFE5CBDDJZXSKAFV \
  | 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: 57ccdf6cb2d16452744118d39bc9402d6bf7f9bcbc0ca9f73ef7291608236a76

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0f557a68773f4149e20a2dbd500ee5070276b2df72b5021e4cd72ade68159cea",
    "cross_cats_sorted": [
      "math.SG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2026-05-25T12:50:26Z",
    "title_canon_sha256": "36bfa18dd9711c6a50ba09ccaabfe906e1fbce88bb693fcc73d8b1bfdb110856"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.25800",
    "kind": "arxiv",
    "version": 1
  }
}