Pith Number

pith:KDIR743W

pith:2014:KDIR743WKRWKXUUMYNSCP6SM5M

not attested not anchored not stored refs pending

Coalgebraic Weak Bisimulation from Recursive Equations over Monads

Dirk Pattinson, Sergey Goncharov

arxiv:1404.1215 v2 · 2014-04-04 · 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{KDIR743WKRWKXUUMYNSCP6SM5M}

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	2026-05-18T02:52:47.797723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50d11ff376546cabd28cc36427fa4ceb13fbe9779d0391bda746dd909ae56e03

Aliases

arxiv: 1404.1215 · arxiv_version: 1404.1215v2 · doi: 10.48550/arxiv.1404.1215 · pith_short_12: KDIR743WKRWK · pith_short_16: KDIR743WKRWKXUUM · pith_short_8: KDIR743W

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/KDIR743WKRWKXUUMYNSCP6SM5M \
  | 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: 50d11ff376546cabd28cc36427fa4ceb13fbe9779d0391bda746dd909ae56e03

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c23c2f25a451032815f650b78b05ebec15c75e3b7e6a5c11ae48fd28d6a9f549",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-04-04T11:14:55Z",
    "title_canon_sha256": "f6970bca4db87b2c700710895a8074b593dc09cf01da86df50ea7593f2fbe0a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.1215",
    "kind": "arxiv",
    "version": 2
  }
}