Pith Number

pith:63LWP42L

pith:2020:63LWP42LVRXMDGFTA3SLMSFLOI

not attested not anchored not stored refs pending

Tractable Combinations of Theories via Sampling

Johannes Greiner, Manuel Bodirsky

arxiv:2012.01199 v1 · 2020-12-02 · math.LO · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{63LWP42LVRXMDGFTA3SLMSFLOI}

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	2026-07-05T01:56:36.718570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6d767f34bac6ec198b306e4b648ab721937ace8ce2aebb85dac71eadad60c69

Aliases

arxiv: 2012.01199 · arxiv_version: 2012.01199v1 · doi: 10.48550/arxiv.2012.01199 · pith_short_12: 63LWP42LVRXM · pith_short_16: 63LWP42LVRXMDGFT · pith_short_8: 63LWP42L

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/63LWP42LVRXMDGFTA3SLMSFLOI \
  | 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: f6d767f34bac6ec198b306e4b648ab721937ace8ce2aebb85dac71eadad60c69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a808912b88cc87620f72cf689cd56dda1915e81db494b99d5ff47f106712e81",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2020-12-02T13:33:34Z",
    "title_canon_sha256": "7f334143419eec0bcf0a75fb13b332ddbeddebbf083972e04587f6ca53137e30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2012.01199",
    "kind": "arxiv",
    "version": 1
  }
}