Pith Number

pith:23KLDBW6

pith:2019:23KLDBW6IHKK4HK5M63I4OD5AB

not attested not anchored not stored refs pending

CCM property and Lyubeznik numbers under Groebner deformations

Matteo Varbaro, Parvaneh Nadi

arxiv:1905.12664 v1 · 2019-05-29 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{23KLDBW6IHKK4HK5M63I4OD5AB}

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	2026-05-17T23:44:41.834333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d6d4b186de41d4ae1d5d67b68e387d00454452b1da61a78414be6f5567574b31

Aliases

arxiv: 1905.12664 · arxiv_version: 1905.12664v1 · doi: 10.48550/arxiv.1905.12664 · pith_short_12: 23KLDBW6IHKK · pith_short_16: 23KLDBW6IHKK4HK5 · pith_short_8: 23KLDBW6

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/23KLDBW6IHKK4HK5M63I4OD5AB \
  | 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: d6d4b186de41d4ae1d5d67b68e387d00454452b1da61a78414be6f5567574b31

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1266d23b04ff8c0b983b99642daf415e9f786e5abedf87e0945d3c712fd65687",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2019-05-29T18:18:32Z",
    "title_canon_sha256": "6c0a201530f72be1f9005eee868aaa3e48520e66db3639258bc72ac2849c8d53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.12664",
    "kind": "arxiv",
    "version": 1
  }
}