Pith Number

pith:4R3RF2QO

pith:2016:4R3RF2QOJR7EMMEORZ3BUWUUYF

not attested not anchored not stored refs pending

Two-variable Logic with a Between Predicate

Andreas Krebs, Howard Straubing, Kamal Lodaya, Paritosh Pandya

arxiv:1603.05625 v1 · 2016-03-17 · 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{4R3RF2QOJR7EMMEORZ3BUWUUYF}

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	2026-05-18T01:18:55.990001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e47712ea0e4c7e46308e8e761a5a94c1644fc57eed0f1a124c39706f51fe7539

Aliases

arxiv: 1603.05625 · arxiv_version: 1603.05625v1 · doi: 10.48550/arxiv.1603.05625 · pith_short_12: 4R3RF2QOJR7E · pith_short_16: 4R3RF2QOJR7EMMEO · pith_short_8: 4R3RF2QO

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/4R3RF2QOJR7EMMEORZ3BUWUUYF \
  | 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: e47712ea0e4c7e46308e8e761a5a94c1644fc57eed0f1a124c39706f51fe7539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1be07ef3f9f3bc56d3fb9261a46f3f92904ba663ca934dc674c053fdd802a84c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-03-17T19:17:10Z",
    "title_canon_sha256": "28777676345590afe7ec1e9a7d1dd92353555b9e6f0e957c84b662af04b6bb54"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.05625",
    "kind": "arxiv",
    "version": 1
  }
}