Pith Number

pith:YLDSDRGI

pith:2012:YLDSDRGIVMM3K5F5B2SK4KW67S

not attested not anchored not stored refs pending

Wreath Products of Forest Algebras, with Applications to Tree Logics

Howard Straubing (Boston College), Igor Walukiewicz (LaBRI (Universite de Bordeaux - CNRS)), Mikolaj Bojanczyk (University of Warsaw)

arxiv:1208.6172 v2 · 2012-08-30 · cs.LO · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YLDSDRGIVMM3K5F5B2SK4KW67S}

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	2026-05-18T01:37:38.560115Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2c721c4c8ab19b574bd0ea4ae2adefcb9a4571b3982edaf073268afbc51f7b5

Aliases

arxiv: 1208.6172 · arxiv_version: 1208.6172v2 · doi: 10.48550/arxiv.1208.6172 · pith_short_12: YLDSDRGIVMM3 · pith_short_16: YLDSDRGIVMM3K5F5 · pith_short_8: YLDSDRGI

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/YLDSDRGIVMM3K5F5B2SK4KW67S \
  | 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: c2c721c4c8ab19b574bd0ea4ae2adefcb9a4571b3982edaf073268afbc51f7b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90414d8e85afced9e21fffae02e5cb2accf347090139d3a0bd47c9be03260609",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2012-08-30T13:48:51Z",
    "title_canon_sha256": "00bd1bf4dd9c9b266587c08f7d8373f6d8dbe29539527ea9ed4e842e75a38fac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.6172",
    "kind": "arxiv",
    "version": 2
  }
}