Pith Number

pith:MBDQBM6G

pith:2012:MBDQBM6GZUJFLG5CYLYZYKFYXI

not attested not anchored not stored refs pending

Tense SHn--algebras

Aldo V. Figallo, Gustavo Pelaitay

arxiv:1203.5459 v2 · 2012-03-25 · 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{MBDQBM6GZUJFLG5CYLYZYKFYXI}

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	2026-05-18T02:50:58.902601Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

604700b3c6cd12559ba2c2f19c28b8ba159cb8a2d97151d27030b8d72a1935fa

Aliases

arxiv: 1203.5459 · arxiv_version: 1203.5459v2 · doi: 10.48550/arxiv.1203.5459 · pith_short_12: MBDQBM6GZUJF · pith_short_16: MBDQBM6GZUJFLG5C · pith_short_8: MBDQBM6G

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/MBDQBM6GZUJFLG5CYLYZYKFYXI \
  | 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: 604700b3c6cd12559ba2c2f19c28b8ba159cb8a2d97151d27030b8d72a1935fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c7045757833584ed06303adf24f91cc3a78a6c6e291e807b00ffa99acee6b58d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-03-25T01:01:19Z",
    "title_canon_sha256": "0d9766df1636b8dbfbc2906e99a46f36f4f687b1649ba6ef29aaa9842eee89fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.5459",
    "kind": "arxiv",
    "version": 2
  }
}