Pith Number

pith:XZ6NVZYD

pith:2019:XZ6NVZYDWFU3U42DWAREBLU22M

not attested not anchored not stored refs pending

A logical and algebraic characterization of adjunctions between generalized quasi-varieties

T. Moraschini

arxiv:1908.00534 v1 · 2019-08-01 · 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{XZ6NVZYDWFU3U42DWAREBLU22M}

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	2026-07-04T23:51:01.520202Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be7cdae703b169ba7343b02240ae9ad31946b032af7243a2595ebbfac95d1c72

Aliases

arxiv: 1908.00534 · arxiv_version: 1908.00534v1 · doi: 10.48550/arxiv.1908.00534 · pith_short_12: XZ6NVZYDWFU3 · pith_short_16: XZ6NVZYDWFU3U42D · pith_short_8: XZ6NVZYD

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/XZ6NVZYDWFU3U42DWAREBLU22M \
  | 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: be7cdae703b169ba7343b02240ae9ad31946b032af7243a2595ebbfac95d1c72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "146be332c91cdf34c8eee34d98627146227ac3f556b43837214cde4563ea7137",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2019-08-01T17:48:10Z",
    "title_canon_sha256": "bc1871ee2072e2c2cf0352ff1d881cd30e22995cb4d28c8b0c62269b2df6b776"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.00534",
    "kind": "arxiv",
    "version": 1
  }
}