Pith Number

pith:CP2N6VFI

pith:2015:CP2N6VFIE3HLVGA3IMLQ6S5GUT

not attested not anchored not stored refs pending

Remarks on the paper "M. Kolibiar, On a construction of semigroups"

Attila Nagy

arxiv:1504.07181 v5 · 2015-04-27 · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CP2N6VFIE3HLVGA3IMLQ6S5GUT}

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	2026-05-18T01:21:40.752898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13f4df54a826ceba981b43170f4ba6a4d9956eb3519573a94fcf3b4ea10cd45b

Aliases

arxiv: 1504.07181 · arxiv_version: 1504.07181v5 · doi: 10.48550/arxiv.1504.07181 · pith_short_12: CP2N6VFIE3HL · pith_short_16: CP2N6VFIE3HLVGA3 · pith_short_8: CP2N6VFI

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/CP2N6VFIE3HLVGA3IMLQ6S5GUT \
  | 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: 13f4df54a826ceba981b43170f4ba6a4d9956eb3519573a94fcf3b4ea10cd45b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28693155fbebf46e54da21d37a06de8243ec0d26fd3d6dc312fc2a2d286c57f9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2015-04-27T17:54:09Z",
    "title_canon_sha256": "98b3d36151cb4482cf78e69c248b7deae09a8993e6ffc65a20cd5be543297110"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.07181",
    "kind": "arxiv",
    "version": 5
  }
}