Pith Number

pith:SHH33HNY

pith:2015:SHH33HNYEPUZBHM2Q6BCXJP3S6

not attested not anchored not stored refs pending

The RatioLog Project: Rational Extensions of Logical Reasoning

Claudia Schon, Claus-Peter Wirth, Frieder Stolzenburg, Karl-Heinz Weis, Ulrich Furbach

arxiv:1503.06087 v2 · 2015-03-20 · 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{SHH33HNYEPUZBHM2Q6BCXJP3S6}

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	2026-05-18T01:36:06.924795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

91cfbd9db823e9909d9a87822ba5fb97baf2fa009078c78749468f444a026673

Aliases

arxiv: 1503.06087 · arxiv_version: 1503.06087v2 · doi: 10.48550/arxiv.1503.06087 · pith_short_12: SHH33HNYEPUZ · pith_short_16: SHH33HNYEPUZBHM2 · pith_short_8: SHH33HNY

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/SHH33HNYEPUZBHM2Q6BCXJP3S6 \
  | 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: 91cfbd9db823e9909d9a87822ba5fb97baf2fa009078c78749468f444a026673

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a39869a0a5673a948f6007ec9039a320d6aa04e946207e76f2edca0470aabfb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2015-03-20T14:33:48Z",
    "title_canon_sha256": "104e2fd35876acb080bc6137d1c934608a07825fcbb856daa75b4b0dbd40c90c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.06087",
    "kind": "arxiv",
    "version": 2
  }
}