Pith Number

pith:RFRFP45M

pith:2012:RFRFP45MYWCHICTLL6VXCX33AG

not attested not anchored not stored refs pending

Homogeneous orthocomplete effect algebras are covered by MV-algebras

Jan Paseka, Josef Niederle

arxiv:1203.6042 v1 · 2012-03-27 · 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{RFRFP45MYWCHICTLL6VXCX33AG}

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	2026-05-18T03:59:12.648140Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

896257f3acc584740a6b5fab715f7b019eba9130ceba3e199c169bfee00b980c

Aliases

arxiv: 1203.6042 · arxiv_version: 1203.6042v1 · doi: 10.48550/arxiv.1203.6042 · pith_short_12: RFRFP45MYWCH · pith_short_16: RFRFP45MYWCHICTL · pith_short_8: RFRFP45M

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/RFRFP45MYWCHICTLL6VXCX33AG \
  | 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: 896257f3acc584740a6b5fab715f7b019eba9130ceba3e199c169bfee00b980c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e3adbb45eeae431724f09f5b56daf4a5afa2591d59d814f35350029c40008d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2012-03-27T18:26:48Z",
    "title_canon_sha256": "68d510a67039ffee62cd55ccc79fcd922dc077979151014b0b485a5ffe0298cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6042",
    "kind": "arxiv",
    "version": 1
  }
}