Pith Number

pith:YS34JIBE

pith:2015:YS34JIBEPFTWQB3DUZTUOW7RB7

not attested not anchored not stored refs pending

Algebraic properties of ideals of poset homomorphisms

Lukas Katth\"an, Martina Juhnke-Kubitzke, Sara Saeedi Madani

arxiv:1505.07581 v4 · 2015-05-28 · math.AC · 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{YS34JIBEPFTWQB3DUZTUOW7RB7}

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	2026-05-18T01:16:26.429685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4b7c4a0247967680763a667475bf10fe83c4e888d61feb066523796703a864b

Aliases

arxiv: 1505.07581 · arxiv_version: 1505.07581v4 · doi: 10.48550/arxiv.1505.07581 · pith_short_12: YS34JIBEPFTW · pith_short_16: YS34JIBEPFTWQB3D · pith_short_8: YS34JIBE

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/YS34JIBEPFTWQB3DUZTUOW7RB7 \
  | 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: c4b7c4a0247967680763a667475bf10fe83c4e888d61feb066523796703a864b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4550bcd40e6360de30318cc84803fd55e400443a625f706755b197bbe25ba57b",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2015-05-28T08:03:48Z",
    "title_canon_sha256": "22fbc9db68769fa4c4ee09b8e0e5ad0d8a9484e3b74e768377e4e661768da00f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07581",
    "kind": "arxiv",
    "version": 4
  }
}