Pith Number

pith:YNMCUVBX

pith:2009:YNMCUVBXUWGB7CEH3EVQYO2SW2

not attested not anchored not stored refs pending

Compatibility support mappings in effect algebras

Gejza Jen\v{c}a

arxiv:0910.2825 v2 · 2009-10-15 · math.RA · math.QA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YNMCUVBXUWGB7CEH3EVQYO2SW2}

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	2026-05-18T00:53:51.816722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3582a5437a58c1f8887d92b0c3b52b6a65dd37502b8132618105987a33d79f5

Aliases

arxiv: 0910.2825 · arxiv_version: 0910.2825v2 · doi: 10.48550/arxiv.0910.2825 · pith_short_12: YNMCUVBXUWGB · pith_short_16: YNMCUVBXUWGB7CEH · pith_short_8: YNMCUVBX

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/YNMCUVBXUWGB7CEH3EVQYO2SW2 \
  | 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: c3582a5437a58c1f8887d92b0c3b52b6a65dd37502b8132618105987a33d79f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0f07ee491446ad756a544bd622897ced62dddf800da7dd9367d4562cf221f6c",
    "cross_cats_sorted": [
      "math.QA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2009-10-15T09:54:59Z",
    "title_canon_sha256": "6bcc585b211b24fa70588826cf1409f53a6594cbe301250f612ddae619b93939"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.2825",
    "kind": "arxiv",
    "version": 2
  }
}