Pith Number

pith:7XQOTCSR

pith:2018:7XQOTCSRLHPYDD3DRLTA5KALNG

not attested not anchored not stored refs pending

Very true pseudo-BCK algebras

Lavinia Corina Ciungu

arxiv:1802.06210 v2 · 2018-02-17 · 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{7XQOTCSRLHPYDD3DRLTA5KALNG}

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	2026-05-18T00:19:56.384010Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fde0e98a5159df818f638ae60ea80b699d88f03834e373cfd79131cbc767641f

Aliases

arxiv: 1802.06210 · arxiv_version: 1802.06210v2 · doi: 10.48550/arxiv.1802.06210 · pith_short_12: 7XQOTCSRLHPY · pith_short_16: 7XQOTCSRLHPYDD3D · pith_short_8: 7XQOTCSR

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/7XQOTCSRLHPYDD3DRLTA5KALNG \
  | 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: fde0e98a5159df818f638ae60ea80b699d88f03834e373cfd79131cbc767641f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bf8f6187ae9fc7c37e78fc636eed3bc5bf8233ede02fda6e1f9832815423748",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-02-17T08:41:20Z",
    "title_canon_sha256": "e89aec48cc849c72e8fe41814a459342a3a853e895efda114630baacd1363a8f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06210",
    "kind": "arxiv",
    "version": 2
  }
}