Pith Number

pith:WEDC3G4F

pith:2019:WEDC3G4FOSEFYDDDSYTKXYVKUS

not attested not anchored not stored refs pending

A Logic for Dually Hemimorphic Semi-Heyting Algebras and its Axiomatic Extensions

Hanamantagouda P. Sankappanavar, Juan M. Cornejo

arxiv:1908.02403 v2 · 2019-08-07 · 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{WEDC3G4FOSEFYDDDSYTKXYVKUS}

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	2026-07-05T03:55:24.075034Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1062d9b8574885c0c639626abe2aaa4900292cd4fbc0e564552087ac0714d53

Aliases

arxiv: 1908.02403 · arxiv_version: 1908.02403v2 · doi: 10.48550/arxiv.1908.02403 · pith_short_12: WEDC3G4FOSEF · pith_short_16: WEDC3G4FOSEFYDDD · pith_short_8: WEDC3G4F

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/WEDC3G4FOSEFYDDDSYTKXYVKUS \
  | 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: b1062d9b8574885c0c639626abe2aaa4900292cd4fbc0e564552087ac0714d53

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "87138f296eb1a3b05f24c3c927a0d5fc4b54433b3bc784068e3b67880c59e933",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-08-07T00:03:59Z",
    "title_canon_sha256": "636938815d53f0245106198be5845b3b5c64bea520c3e62922fe555010cbf8e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02403",
    "kind": "arxiv",
    "version": 2
  }
}