Pith Number

pith:TTBM2HDW

pith:2018:TTBM2HDW5CT5O3BFBICTFGGJI6

not attested not anchored not stored refs pending

Logics for Rough Concept Analysis

Alessandra Palmigiano, Apostolos Tzimoulis, Giuseppe Greco, Krishna Manoorkar, Peter Jipsen

arxiv:1811.07149 v1 · 2018-11-17 · math.LO · cs.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{TTBM2HDW5CT5O3BFBICTFGGJI6}

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	2026-05-18T00:00:28.799618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cc2cd1c76e8a7d76c250a053298c947bdccfc0a7728815876f9b87abaac337b

Aliases

arxiv: 1811.07149 · arxiv_version: 1811.07149v1 · doi: 10.48550/arxiv.1811.07149 · pith_short_12: TTBM2HDW5CT5 · pith_short_16: TTBM2HDW5CT5O3BF · pith_short_8: TTBM2HDW

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/TTBM2HDW5CT5O3BFBICTFGGJI6 \
  | 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: 9cc2cd1c76e8a7d76c250a053298c947bdccfc0a7728815876f9b87abaac337b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a068d13bfbfee95ed8a2111814d2d7f61b050b3c48d5aa1ccd6d13ad925ebffc",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-11-17T12:03:02Z",
    "title_canon_sha256": "4b17b1547222053aa4bb41c6cdc7ddd224e845203d26aa01760594f6689a5722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.07149",
    "kind": "arxiv",
    "version": 1
  }
}