Pith Number

pith:UPGMSWPI

pith:2009:UPGMSWPI36MQZOESXMKDRQVNLV

not attested not anchored not stored refs pending

Better Quality in Synthesis through Quantitative Objectives

Barbara Jobstmann, Krishnendu Chatterjee, Roderick Bloem, Thomas A. Henzinger

arxiv:0904.2638 v3 · 2009-04-17 · cs.LO · cs.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UPGMSWPI36MQZOESXMKDRQVNLV}

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	2026-05-18T03:24:42.283077Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3ccc959e8df990cb892bb1438c2ad5d6077bb1306590d34826ff018ff5344cb

Aliases

arxiv: 0904.2638 · arxiv_version: 0904.2638v3 · doi: 10.48550/arxiv.0904.2638 · pith_short_12: UPGMSWPI36MQ · pith_short_16: UPGMSWPI36MQZOES · pith_short_8: UPGMSWPI

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/UPGMSWPI36MQZOESXMKDRQVNLV \
  | 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: a3ccc959e8df990cb892bb1438c2ad5d6077bb1306590d34826ff018ff5344cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cc2ebc9f791c0a377a61b1b128345711106b130c0b98994c33a0b5a12b5fb21",
    "cross_cats_sorted": [
      "cs.GT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2009-04-17T05:56:33Z",
    "title_canon_sha256": "a0943940d4d4a7eddc3607ad91f195d7dfc0701c4ba131b3c0a7327a6bbd5a9b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0904.2638",
    "kind": "arxiv",
    "version": 3
  }
}