Pith Number

pith:LRPL52EF

pith:2009:LRPL52EFH3SLAKJN2X5L5Z2RSW

not attested not anchored not stored refs pending

Order Topology and Frink Ideal Topology of Effect Algebras

Lei Qiang, Li Ronglu, Wu Junde

arxiv:0908.3350 v2 · 2009-08-24 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRPL52EFH3SLAKJN2X5L5Z2RSW}

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	2026-05-18T00:31:05.824603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c5ebee8853ee4b0292dd5fabee75195b0686de76156e73a9a924ffe9f6a0179

Aliases

arxiv: 0908.3350 · arxiv_version: 0908.3350v2 · doi: 10.48550/arxiv.0908.3350 · pith_short_12: LRPL52EFH3SL · pith_short_16: LRPL52EFH3SLAKJN · pith_short_8: LRPL52EF

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/LRPL52EFH3SLAKJN2X5L5Z2RSW \
  | 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: 5c5ebee8853ee4b0292dd5fabee75195b0686de76156e73a9a924ffe9f6a0179

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8871995b8548bd3d21d4e4195f1ea7edc930908534fd90a46b4dd03ecfdd78ac",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2009-08-24T01:11:08Z",
    "title_canon_sha256": "560bae86241729905d80731b1f417cc60c39239ebeaebe87cb330d8af57776b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3350",
    "kind": "arxiv",
    "version": 2
  }
}