Pith Number

pith:B6F7ZCOC

pith:2026:B6F7ZCOCN63LVMOR2KHZW2LEBX

not attested not anchored not stored refs pending

Algebraic cycles and Fano threefolds of genus 7

Robert Laterveer

arxiv:2608.12950 v1 · 2026-08-13 · 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{B6F7ZCOCN63LVMOR2KHZW2LEBX}

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	2026-08-14T00:59:33.254359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f8bfc89c26fb6bab1d1d28f9b69640dc7eea3063eda4e1090e92454d522a669

Aliases

arxiv: 2608.12950 · arxiv_version: 2608.12950v1 · doi: 10.48550/arxiv.2608.12950 · pith_short_12: B6F7ZCOCN63L · pith_short_16: B6F7ZCOCN63LVMOR · pith_short_8: B6F7ZCOC

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/B6F7ZCOCN63LVMOR2KHZW2LEBX \
  | 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: 0f8bfc89c26fb6bab1d1d28f9b69640dc7eea3063eda4e1090e92454d522a669

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "392ee7365aed8c1a3681e7b3a7cf64955c90711f7e191bd9327f4c09ef854165",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-08-13T08:24:10Z",
    "title_canon_sha256": "b4f6037fda5a5273a278fbfad0da13205c6bfefb9fcb4ca9d09048c6b6ecfc0a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.12950",
    "kind": "arxiv",
    "version": 1
  }
}