pith. sign in
Pith Number

pith:QBAWFUAM

pith:2018:QBAWFUAMEGTKHVNVRQVTV35CL3
not attested not anchored not stored refs pending

Residuation in modular lattices and posets

Helmut L\"anger, Ivan Chajda

arxiv:1812.09491 v1 · 2018-12-22 · math.LO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{QBAWFUAMEGTKHVNVRQVTV35CL3}

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 2026-05-17T23:57:27.781454Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

804162d00c21a6a3d5b58c2b3aefa25ed9fecd6628c05a9e2ab92fdfc382c045

Aliases

arxiv: 1812.09491 · arxiv_version: 1812.09491v1 · doi: 10.48550/arxiv.1812.09491 · pith_short_12: QBAWFUAMEGTK · pith_short_16: QBAWFUAMEGTKHVNV · pith_short_8: QBAWFUAM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/QBAWFUAMEGTKHVNVRQVTV35CL3 \
  | 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: 804162d00c21a6a3d5b58c2b3aefa25ed9fecd6628c05a9e2ab92fdfc382c045
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "972a7d33c0bf8db7cde044bf58c36642724f65dc65a9c646398d79bd5d90aa0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-12-22T10:04:42Z",
    "title_canon_sha256": "50f6bf0c0fbbda8f81f33804407afae069e1d2b25d2bed2ec4607ff9559a8aa6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.09491",
    "kind": "arxiv",
    "version": 1
  }
}