Pith Number

pith:FCTH5SYW

pith:2019:FCTH5SYWPWKJKAICWS3BOXOZ6M

not attested not anchored not stored refs pending

About the unification type of simple symmetric modal logics

\c{C}i\u{g}dem Gencer, Philippe Balbiani

arxiv:1902.03770 v1 · 2019-02-11 · 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{FCTH5SYWPWKJKAICWS3BOXOZ6M}

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	2026-05-17T23:54:19.621399Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28a67ecb167d94950102b4b6175dd9f319142adc1cababa1c1bfcb1044fd7971

Aliases

arxiv: 1902.03770 · arxiv_version: 1902.03770v1 · doi: 10.48550/arxiv.1902.03770 · pith_short_12: FCTH5SYWPWKJ · pith_short_16: FCTH5SYWPWKJKAIC · pith_short_8: FCTH5SYW

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/FCTH5SYWPWKJKAICWS3BOXOZ6M \
  | 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: 28a67ecb167d94950102b4b6175dd9f319142adc1cababa1c1bfcb1044fd7971

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d6fb937d7778d42437333c585895aa35f5cc5818ce741e23334985fd48d7b4b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-02-11T08:23:28Z",
    "title_canon_sha256": "ba0961aa4dd937b7c27d2074e8be37acc1a0278c1e16181a916bbf028a4533ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.03770",
    "kind": "arxiv",
    "version": 1
  }
}