Pith Number

pith:N3OEMT3K

pith:2015:N3OEMT3K3HAUJ4EQ7PBKHN6SU5

not attested not anchored not stored refs pending

Weak Godel's incompleteness property for some decidable versions of the calculus of relations

Mohamed Khaled

arxiv:1511.01383 v1 · 2015-11-04 · math.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{N3OEMT3K3HAUJ4EQ7PBKHN6SU5}

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	2026-05-18T01:27:47.271927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6edc464f6ad9c144f090fbc2a3b7d2a74d26ebc3c84632b144ac9b8b357c1578

Aliases

arxiv: 1511.01383 · arxiv_version: 1511.01383v1 · doi: 10.48550/arxiv.1511.01383 · pith_short_12: N3OEMT3K3HAU · pith_short_16: N3OEMT3K3HAUJ4EQ · pith_short_8: N3OEMT3K

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/N3OEMT3K3HAUJ4EQ7PBKHN6SU5 \
  | 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: 6edc464f6ad9c144f090fbc2a3b7d2a74d26ebc3c84632b144ac9b8b357c1578

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef27cb7bcbb9a9a1adffb2d5c90cbfccf6163602399c57279258f9b9fd480e4e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2015-11-04T16:23:02Z",
    "title_canon_sha256": "83b7dfe1a47d6e69b2ab546aa5dfbec208faa5d4c2a1f6b97ded5cc3487d1783"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.01383",
    "kind": "arxiv",
    "version": 1
  }
}