Pith Number

pith:DIXLZAE4

pith:2013:DIXLZAE4DSFGUDMDPYAYY7P3RG

not attested not anchored not stored refs pending

On finitely generated reducts of polyadic equality algebras

Tarek Sayed Ahmed

arxiv:1304.1441 v1 · 2013-04-04 · 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{DIXLZAE4DSFGUDMDPYAYY7P3RG}

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	2026-05-18T03:28:56.758008Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a2ebc809c1c8a6a0d837e018c7dfb898cb15a75f6b06a0b36de17b9f336e45a

Aliases

arxiv: 1304.1441 · arxiv_version: 1304.1441v1 · doi: 10.48550/arxiv.1304.1441 · pith_short_12: DIXLZAE4DSFG · pith_short_16: DIXLZAE4DSFGUDMD · pith_short_8: DIXLZAE4

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/DIXLZAE4DSFGUDMDPYAYY7P3RG \
  | 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: 1a2ebc809c1c8a6a0d837e018c7dfb898cb15a75f6b06a0b36de17b9f336e45a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b0f3dc6a7d6906994e0c5ee6b751a8f6990b9c8581669586cda2cf1f37d44ce",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-04-04T17:35:51Z",
    "title_canon_sha256": "1b0fd96c6ec9fc432feea49a45f33191854c4a054dd253265eb9a6643f7f7277"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.1441",
    "kind": "arxiv",
    "version": 1
  }
}