Pith Number

pith:LJ6IZH3W

pith:2018:LJ6IZH3WV4KXCAFQ5CZVTKAOFG

not attested not anchored not stored refs pending

Quantitative bisimulations using coreflections and open morphisms

David Sprunger, Ichiro Hasuo, J\'er\'emy Dubut, Shin-ya Katsumata

arxiv:1809.09278 v1 · 2018-09-25 · 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{LJ6IZH3WV4KXCAFQ5CZVTKAOFG}

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	2026-05-18T00:04:53.848402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a7c8c9f76af157100b0e8b359a80e298145d9f001e2f578d700e9d5fa2c21de

Aliases

arxiv: 1809.09278 · arxiv_version: 1809.09278v1 · doi: 10.48550/arxiv.1809.09278 · pith_short_12: LJ6IZH3WV4KX · pith_short_16: LJ6IZH3WV4KXCAFQ · pith_short_8: LJ6IZH3W

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/LJ6IZH3WV4KXCAFQ5CZVTKAOFG \
  | 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: 5a7c8c9f76af157100b0e8b359a80e298145d9f001e2f578d700e9d5fa2c21de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d31432fdeeebe8888e2abb18e67bfc78a40f23771eb980539cc6b253d544397c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-09-25T01:41:22Z",
    "title_canon_sha256": "67fbb35af4fd4df700ce9c62cf064b0ff6b6702147a11cade607b87b484821cd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.09278",
    "kind": "arxiv",
    "version": 1
  }
}