Pith Number

pith:NEOKPVI6

pith:2017:NEOKPVI6GIS6WLJNMSO57VWJBP

not attested not anchored not stored refs pending

Learning MSO-definable hypotheses on string

Christof L\"oding, Martin Grohe, Martin Ritzert

arxiv:1708.08081 v1 · 2017-08-27 · cs.LG · 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{NEOKPVI6GIS6WLJNMSO57VWJBP}

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	2026-05-18T00:36:37.094896Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

691ca7d51e3225eb2d2d649ddfd6c90bc324febf69853eea2f81e93b8ff80fe8

Aliases

arxiv: 1708.08081 · arxiv_version: 1708.08081v1 · doi: 10.48550/arxiv.1708.08081 · pith_short_12: NEOKPVI6GIS6 · pith_short_16: NEOKPVI6GIS6WLJN · pith_short_8: NEOKPVI6

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/NEOKPVI6GIS6WLJNMSO57VWJBP \
  | 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: 691ca7d51e3225eb2d2d649ddfd6c90bc324febf69853eea2f81e93b8ff80fe8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "db845212d886122057a984d7835142d1dbed6c7ab6757c5732511f76e1525075",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2017-08-27T11:47:57Z",
    "title_canon_sha256": "9972377e349e42fefb1196244705f60ce392106dd389094f8f8b6d02f29e1ba9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.08081",
    "kind": "arxiv",
    "version": 1
  }
}