Pith Number

pith:4VXEY2L5

pith:2014:4VXEY2L5DFZRCYWU7UBOHSAX6Y

not attested not anchored not stored refs pending

Simplified Coalgebraic Trace Equivalence

Alexander Kurz, Dirk Pattinson, Lutz Schr\"oder, Stefan Milius

arxiv:1410.2463 v2 · 2014-10-09 · 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{4VXEY2L5DFZRCYWU7UBOHSAX6Y}

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	2026-05-18T02:39:56.728254Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e56e4c697d19731162d4fd02e3c817f60de67b712cc55bbd118c3a79913d57be

Aliases

arxiv: 1410.2463 · arxiv_version: 1410.2463v2 · doi: 10.48550/arxiv.1410.2463 · pith_short_12: 4VXEY2L5DFZR · pith_short_16: 4VXEY2L5DFZRCYWU · pith_short_8: 4VXEY2L5

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/4VXEY2L5DFZRCYWU7UBOHSAX6Y \
  | 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: e56e4c697d19731162d4fd02e3c817f60de67b712cc55bbd118c3a79913d57be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab71429e8ac0b1f474aed433f535dd519186dc734028b2cd348c4b9d9d2a5401",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2014-10-09T13:54:41Z",
    "title_canon_sha256": "fecfaf895e3a1ca320f086336703d7806135026276f4eb8ef59f99ff4f90e3fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1410.2463",
    "kind": "arxiv",
    "version": 2
  }
}