Pith Number

pith:LYMTP7AD

pith:2013:LYMTP7ADBMFAGMOEUSVJW7HTHB

not attested not anchored not stored refs pending

On atomicity of free algebras in Boolean algebras with operators, and a new result on Pinter's free algebras

Tarek Sayed Ahmed

arxiv:1305.4970 v1 · 2013-04-23 · math.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LYMTP7ADBMFAGMOEUSVJW7HTHB}

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	2026-05-18T00:12:06.992158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e1937fc030b0a0331c4a4aa9b7cf3385be1c4f917ca8bb63820f22f58e032f1

Aliases

arxiv: 1305.4970 · arxiv_version: 1305.4970v1 · doi: 10.48550/arxiv.1305.4970 · pith_short_12: LYMTP7ADBMFA · pith_short_16: LYMTP7ADBMFAGMOE · pith_short_8: LYMTP7AD

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/LYMTP7ADBMFAGMOEUSVJW7HTHB \
  | 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: 5e1937fc030b0a0331c4a4aa9b7cf3385be1c4f917ca8bb63820f22f58e032f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "727f54c5fcbd8713b3fbea9644480799bc34ff9e97777880d5a841ded7245539",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-04-23T12:28:09Z",
    "title_canon_sha256": "57cda96aca3678c9cc7bacc1c7ac79b98c76791982151b217c8a072a13610550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4970",
    "kind": "arxiv",
    "version": 1
  }
}