Pith Number

pith:5V4Z52MM

pith:2019:5V4Z52MML5JUQKVRT2WXKZFTPW

not attested not anchored not stored refs pending

How to Win First-Order Safety Games

Bernd Finkbeiner, Christian M\"uller, Helmut Seidl

arxiv:1908.05964 v2 · 2019-08-16 · cs.LO · cs.MA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5V4Z52MML5JUQKVRT2WXKZFTPW}

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	2026-07-05T00:19:10.108610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed799ee98c5f53482ab19ead7564b37d8f2632a76e88af9f7d36164d12258843

Aliases

arxiv: 1908.05964 · arxiv_version: 1908.05964v2 · doi: 10.48550/arxiv.1908.05964 · pith_short_12: 5V4Z52MML5JU · pith_short_16: 5V4Z52MML5JUQKVR · pith_short_8: 5V4Z52MM

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/5V4Z52MML5JUQKVRT2WXKZFTPW \
  | 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: ed799ee98c5f53482ab19ead7564b37d8f2632a76e88af9f7d36164d12258843

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a1c4042ea39f0a102e57168a798fcba73ee962f3a4cd87603a73e688971e19a6",
    "cross_cats_sorted": [
      "cs.MA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2019-08-16T13:19:13Z",
    "title_canon_sha256": "81985e3d5129e11d8ab97eba03c93aaf029787a848d0d856c789134bab1dda8c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.05964",
    "kind": "arxiv",
    "version": 2
  }
}