Pith Number

pith:3ZBZZDI7

pith:2016:3ZBZZDI77ZJ4VAEFSB6V4IK4JD

not attested not anchored not stored refs pending

Some abstract versions of G\"odel's second incompleteness theorem based on non-classical logics

Daniyar Shamkanov, Lev Beklemishev

arxiv:1602.05728 v1 · 2016-02-18 · 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{3ZBZZDI77ZJ4VAEFSB6V4IK4JD}

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	2026-05-18T01:20:23.393299Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de439c8d1ffe53ca8085907d5e215c48dbef3f522239751f6192ba034e31cf94

Aliases

arxiv: 1602.05728 · arxiv_version: 1602.05728v1 · doi: 10.48550/arxiv.1602.05728 · pith_short_12: 3ZBZZDI77ZJ4 · pith_short_16: 3ZBZZDI77ZJ4VAEF · pith_short_8: 3ZBZZDI7

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/3ZBZZDI77ZJ4VAEFSB6V4IK4JD \
  | 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: de439c8d1ffe53ca8085907d5e215c48dbef3f522239751f6192ba034e31cf94

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "964d05ba9594a591d828a0f57f461517a3e0791f215c9adb481780da38f114a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2016-02-18T09:13:07Z",
    "title_canon_sha256": "c8ce78ccb7a54d61e4309cf200a904961185691b9e0b56a580617e0dcd7d5c7a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.05728",
    "kind": "arxiv",
    "version": 1
  }
}