Pith Number

pith:PJRAK3JW

pith:2018:PJRAK3JWE7SD747R3GXFHSVMPX

not attested not anchored not stored refs pending

Regularity of the vanishing ideal over a bipartite nested ear decomposition

Jorge Neves

arxiv:1805.10923 v1 · 2018-05-28 · math.AC · math.AG · 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{PJRAK3JWE7SD747R3GXFHSVMPX}

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	2026-05-18T00:14:48.805561Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a62056d3627e43ff3f1d9ae53caac7dd805c2370d22c0100bc1d8bfadc168ea

Aliases

arxiv: 1805.10923 · arxiv_version: 1805.10923v1 · doi: 10.48550/arxiv.1805.10923 · pith_short_12: PJRAK3JWE7SD · pith_short_16: PJRAK3JWE7SD747R · pith_short_8: PJRAK3JW

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/PJRAK3JWE7SD747R3GXFHSVMPX \
  | 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: 7a62056d3627e43ff3f1d9ae53caac7dd805c2370d22c0100bc1d8bfadc168ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11f2b9e73eefa7c369aa477a1de25161e7b24bf15e13f3ccf49c04f6914aa4ac",
    "cross_cats_sorted": [
      "math.AG",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-05-28T13:57:57Z",
    "title_canon_sha256": "a89fc76cb6892ee2e23acfd4a74a76eed317930593694d6919860b2a8cd431c4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10923",
    "kind": "arxiv",
    "version": 1
  }
}