Pith Number

pith:7OZMB7MB

pith:2013:7OZMB7MBLUL2SHEBO5EVIHCLIH

not attested not anchored not stored refs pending

On semigroups of endomorphisms of a chain with restricted range

Boorapa Singha, Preeyanuch Honyam, Teresa M. Quinteiro, V\'itor H. Fernandes

arxiv:1306.2774 v1 · 2013-06-12 · math.RA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OZMB7MBLUL2SHEBO5EVIHCLIH}

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	2026-05-18T03:21:09.478327Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fbb2c0fd815d17a91c817749541c4b41e9a312b41a55817335df4f81332e0e7e

Aliases

arxiv: 1306.2774 · arxiv_version: 1306.2774v1 · doi: 10.48550/arxiv.1306.2774 · pith_short_12: 7OZMB7MBLUL2 · pith_short_16: 7OZMB7MBLUL2SHEB · pith_short_8: 7OZMB7MB

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/7OZMB7MBLUL2SHEBO5EVIHCLIH \
  | 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: fbb2c0fd815d17a91c817749541c4b41e9a312b41a55817335df4f81332e0e7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45b6c5ae996bdc6aa0205f6adfb51a647301d287e88f3e4bf6cfbbbfea502e86",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2013-06-12T10:11:51Z",
    "title_canon_sha256": "e0747c97607f6f5eae8a2282b2d7b29395f5d916d3c40e38ac0bb471323c5052"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.2774",
    "kind": "arxiv",
    "version": 1
  }
}