Pith Number

pith:SRRKA2G5

pith:2014:SRRKA2G54V6WTB56IO5W4JDSZJ

not attested not anchored not stored refs pending

Two-Variable Ehrenfeucht-Fraisse Games over Omega-Terms

Jan Philipp W\"achter, Manfred Kufleitner

arxiv:1411.0593 v1 · 2014-11-03 · cs.LO · cs.FL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SRRKA2G54V6WTB56IO5W4JDSZJ}

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	2026-05-18T02:38:45.055623Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9462a068dde57d6987be43bb6e2472ca49276c31f12829a51aa5f054685d37bb

Aliases

arxiv: 1411.0593 · arxiv_version: 1411.0593v1 · doi: 10.48550/arxiv.1411.0593 · pith_short_12: SRRKA2G54V6W · pith_short_16: SRRKA2G54V6WTB56 · pith_short_8: SRRKA2G5

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/SRRKA2G54V6WTB56IO5W4JDSZJ \
  | 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: 9462a068dde57d6987be43bb6e2472ca49276c31f12829a51aa5f054685d37bb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98322e89e258dcfecab9b5fe7f637ce09e248856e1c5a98d090ccad3158f9283",
    "cross_cats_sorted": [
      "cs.FL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-11-03T18:20:24Z",
    "title_canon_sha256": "1b1a0ec30cf53b5567213af21cdd0bc0659ac4ee1eb5ebf7a2515cf15913acf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0593",
    "kind": "arxiv",
    "version": 1
  }
}