Pith Number

pith:YVTB56NY

pith:2014:YVTB56NYQ5GESZRYHIRQZXVIBA

not attested not anchored not stored refs pending

A note on the periodic decomposition problem for semigroups

B\'alint Farkas

arxiv:1401.1226 v1 · 2014-01-06 · math.FA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YVTB56NYQ5GESZRYHIRQZXVIBA}

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	2026-05-18T03:03:09.314608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5661ef9b8874c4966383a230cdea808302f0ce28a7b907267f381645f97556f

Aliases

arxiv: 1401.1226 · arxiv_version: 1401.1226v1 · doi: 10.48550/arxiv.1401.1226 · pith_short_12: YVTB56NYQ5GE · pith_short_16: YVTB56NYQ5GESZRY · pith_short_8: YVTB56NY

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/YVTB56NYQ5GESZRYHIRQZXVIBA \
  | 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: c5661ef9b8874c4966383a230cdea808302f0ce28a7b907267f381645f97556f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "244b2d0b25fe6c67fd47032da49ca96d172086db03173cb4af7f6c52d6c188ee",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-01-06T21:20:26Z",
    "title_canon_sha256": "f06c6447d10eba0995bee26f411ee0dd7acfa787dd2e862f9a76801a16872d58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.1226",
    "kind": "arxiv",
    "version": 1
  }
}