Pith Number

pith:VOJUELVW

pith:2013:VOJUELVWX6PXA56YYSNW56C6XQ

not attested not anchored not stored refs pending

Strongly representable algebras

Tarek Sayed Ahmed

arxiv:1305.4532 v1 · 2013-04-25 · 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{VOJUELVWX6PXA56YYSNW56C6XQ}

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	2026-05-18T03:25:23.461971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab93422eb6bf9f7077d8c49b6ef85ebc27c9151401709723953060ddf4a76360

Aliases

arxiv: 1305.4532 · arxiv_version: 1305.4532v1 · doi: 10.48550/arxiv.1305.4532 · pith_short_12: VOJUELVWX6PX · pith_short_16: VOJUELVWX6PXA56Y · pith_short_8: VOJUELVW

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/VOJUELVWX6PXA56YYSNW56C6XQ \
  | 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: ab93422eb6bf9f7077d8c49b6ef85ebc27c9151401709723953060ddf4a76360

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "506cab085f88dba3e7c5dac487d1973c1bf9fd420632c4fc45a8d50a3599c064",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2013-04-25T17:53:19Z",
    "title_canon_sha256": "7bcd596fec0a0a0ab2d82ef5ae91d729151d48dc333e41e752c18594ea2650cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4532",
    "kind": "arxiv",
    "version": 1
  }
}