Pith Number

pith:KSVSGY5G

pith:2018:KSVSGY5GV4JGT7NFMSR5EXWSLM

not attested not anchored not stored refs pending

A Polynomial Time Subsumption Algorithm for Nominal Safe $\mathcal{ELO}_\bot$ under Rational Closure

Giovanni Casini, Thomas Meyer, Umberto Straccia

arxiv:1802.08201 v2 · 2018-02-22 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KSVSGY5GV4JGT7NFMSR5EXWSLM}

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	2026-05-18T00:04:37.482835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54ab2363a6af1269fda564a3d25ed25b0070f14a39d4bce145e4e6b46270381d

Aliases

arxiv: 1802.08201 · arxiv_version: 1802.08201v2 · doi: 10.48550/arxiv.1802.08201 · pith_short_12: KSVSGY5GV4JG · pith_short_16: KSVSGY5GV4JGT7NF · pith_short_8: KSVSGY5G

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/KSVSGY5GV4JGT7NFMSR5EXWSLM \
  | 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: 54ab2363a6af1269fda564a3d25ed25b0070f14a39d4bce145e4e6b46270381d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f62193cc71e79ce064612833e7f2bd932621a7a610f88a6b3dfdb642b0fc95d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-02-22T17:54:00Z",
    "title_canon_sha256": "b7014e5b066847385d0d6a736bc0ba97fac1b9598e2defbefdeb3f4d6d393c1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.08201",
    "kind": "arxiv",
    "version": 2
  }
}