Pith Number

pith:OYV3THN4

pith:2019:OYV3THN4FOCEQ3WBNKYHEQNZFB

not attested not anchored not stored refs pending

SymInfer: Inferring Program Invariants using Symbolic States

Matthew B. Dwyer, ThanhVu Nguyen, Willem Visser

arxiv:1903.11768 v1 · 2019-03-28 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OYV3THN4FOCEQ3WBNKYHEQNZFB}

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	2026-05-17T23:50:01.835612Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

762bb99dbc2b84486ec16ab07241b9287830e921a4413cb1933beba30ce9cda6

Aliases

arxiv: 1903.11768 · arxiv_version: 1903.11768v1 · doi: 10.48550/arxiv.1903.11768 · pith_short_12: OYV3THN4FOCE · pith_short_16: OYV3THN4FOCEQ3WB · pith_short_8: OYV3THN4

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/OYV3THN4FOCEQ3WBNKYHEQNZFB \
  | 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: 762bb99dbc2b84486ec16ab07241b9287830e921a4413cb1933beba30ce9cda6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef556549c54196df331cca6bbd0451d276028b450c98ff73e1a1b6e205f2c200",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-03-28T02:55:53Z",
    "title_canon_sha256": "640dd828f732a4119a368900a71b1126dbac5a035e77eeec76d6c0eada7cf20a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11768",
    "kind": "arxiv",
    "version": 1
  }
}