Pith Number

pith:O7R25IXV

pith:2011:O7R25IXV4OATY2FP3QFOQVJ45A

not attested not anchored not stored refs pending

Amalgamated algebra extensions defined by Von Neumann regular and SFT conditions

Khalid Louartiti, Najib Mahdou

arxiv:1109.6054 v1 · 2011-09-27 · math.AC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O7R25IXV4OATY2FP3QFOQVJ45A}

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	2026-05-18T04:12:09.838857Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77e3aea2f5e3813c68afdc0ae8553ce838e0d47b6b9aa630562b95e874a7d84e

Aliases

arxiv: 1109.6054 · arxiv_version: 1109.6054v1 · doi: 10.48550/arxiv.1109.6054 · pith_short_12: O7R25IXV4OAT · pith_short_16: O7R25IXV4OATY2FP · pith_short_8: O7R25IXV

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/O7R25IXV4OATY2FP3QFOQVJ45A \
  | 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: 77e3aea2f5e3813c68afdc0ae8553ce838e0d47b6b9aa630562b95e874a7d84e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a3b2c08b59163b0575e60b28967eb895f2a74a739a54f4d6bed16c83660c7bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2011-09-27T22:07:50Z",
    "title_canon_sha256": "f0e9898835ca7867c87b8cafde49b45467f47ee4e0e984ae1e77a89ac3baeb59"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.6054",
    "kind": "arxiv",
    "version": 1
  }
}