Pith Number

pith:U5YS2DTN

pith:2026:U5YS2DTNU7PNWHHBA7ZDA52GIB

not attested not anchored not stored refs pending

Virtual K-theoretic invariants of the nested Hilbert scheme on $\mathbb{C}^2$

Felix Minddal

arxiv:2606.30172 v1 · 2026-06-29 · 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{U5YS2DTNU7PNWHHBA7ZDA52GIB}

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	2026-06-30T02:17:52.508015Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7712d0e6da7dedb1ce107f2307746406a7bde834ae382caa857b3e0e4dd4470

Aliases

arxiv: 2606.30172 · arxiv_version: 2606.30172v1 · doi: 10.48550/arxiv.2606.30172 · pith_short_12: U5YS2DTNU7PN · pith_short_16: U5YS2DTNU7PNWHHB · pith_short_8: U5YS2DTN

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/U5YS2DTNU7PNWHHBA7ZDA52GIB \
  | 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: a7712d0e6da7dedb1ce107f2307746406a7bde834ae382caa857b3e0e4dd4470

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07130af8fffcd16fc4e5ab1fd20e06defd461962813e2a91dad25a39bb7c30a7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-06-29T11:48:37Z",
    "title_canon_sha256": "5d5a41b319da11ad7c49be84e5b9d493c2bf186ef2a3d61f03890d2caa20f048"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.30172",
    "kind": "arxiv",
    "version": 1
  }
}