Pith Number

pith:M3Y2QUOK

pith:2026:M3Y2QUOKTDJJKHHZJYANRMKYEV

not attested not anchored not stored refs pending

A note on irreducible slice algebraic sets

Anna Gori, Fabio Vlacci, Giulia Sarfatti

arxiv:2601.21466 v2 · 2026-01-29 · 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{M3Y2QUOKTDJJKHHZJYANRMKYEV}

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	2026-05-20T01:05:07.137818Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66f1a851ca98d2951cf94e00d8b158255f5c3956d5c276fc26a27432bae09401

Aliases

arxiv: 2601.21466 · arxiv_version: 2601.21466v2 · doi: 10.48550/arxiv.2601.21466 · pith_short_12: M3Y2QUOKTDJJ · pith_short_16: M3Y2QUOKTDJJKHHZ · pith_short_8: M3Y2QUOK

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/M3Y2QUOKTDJJKHHZJYANRMKYEV \
  | 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: 66f1a851ca98d2951cf94e00d8b158255f5c3956d5c276fc26a27432bae09401

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ed3ed95db54c56b377bccd3803dff91b37808d5cbf01f846047f6c381aa15f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2026-01-29T09:42:12Z",
    "title_canon_sha256": "f9bab062f409e010691693d25a6f7bc1df7b7c29bd3b227782b7a250435d05c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.21466",
    "kind": "arxiv",
    "version": 2
  }
}