Pith Number

pith:6HRYBWCA

pith:2026:6HRYBWCAC24LSMZIZPYEZC4MLY

not attested not anchored not stored refs pending

Retraction of the complement of smooth projective curves to a $2$-dimensional $\Delta$-complex

A. Larraya Sancho, E.Artal, M.A. Marco Buzunariz

arxiv:2605.26768 v1 · 2026-05-26 · math.AG · math.AT · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6HRYBWCAC24LSMZIZPYEZC4MLY}

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	2026-05-27T01:06:11.665764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1e380d84016b8b93328cbf04c8b8c5e2683c9c6952600444a5b82a1ca42ab50

Aliases

arxiv: 2605.26768 · arxiv_version: 2605.26768v1 · doi: 10.48550/arxiv.2605.26768 · pith_short_12: 6HRYBWCAC24L · pith_short_16: 6HRYBWCAC24LSMZI · pith_short_8: 6HRYBWCA

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/6HRYBWCAC24LSMZIZPYEZC4MLY \
  | 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: f1e380d84016b8b93328cbf04c8b8c5e2683c9c6952600444a5b82a1ca42ab50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbfa1090d35ba1d882f4ccbfcc08f9f74328af860222c33ad8e6a738e7903c0f",
    "cross_cats_sorted": [
      "math.AT",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-05-26T09:38:09Z",
    "title_canon_sha256": "b652e4a7427fd92fa979840ec3a7ac5198ff6448bf65aa978144bf40c36d586c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.26768",
    "kind": "arxiv",
    "version": 1
  }
}