Pith Number

pith:S6ZFRY55

pith:2016:S6ZFRY55656QY3NWEV7YCPS4SG

not attested not anchored not stored refs pending

The Expressive Power of k-ary Exclusion Logic

Raine R\"onnholm

arxiv:1605.01686 v3 · 2016-05-05 · math.LO · cs.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{S6ZFRY55656QY3NWEV7YCPS4SG}

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	2026-05-17T23:42:54.091376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

97b258e3bdf77d0c6db6257f813e5c91a75ed760021887582a1b7237eb2b92f7

Aliases

arxiv: 1605.01686 · arxiv_version: 1605.01686v3 · doi: 10.48550/arxiv.1605.01686 · pith_short_12: S6ZFRY55656Q · pith_short_16: S6ZFRY55656QY3NW · pith_short_8: S6ZFRY55

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/S6ZFRY55656QY3NWEV7YCPS4SG \
  | 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: 97b258e3bdf77d0c6db6257f813e5c91a75ed760021887582a1b7237eb2b92f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d213bb8e0d7c4c94789e3270f9e54943df744e69fe7f05b224893d535dfd822d",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-05-05T18:37:32Z",
    "title_canon_sha256": "22de704319ec8c63f1d81054156a43ba84098e059fcf4c5e410466bae24e7ad3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.01686",
    "kind": "arxiv",
    "version": 3
  }
}