Pith Number

pith:JFY35NU6

pith:2017:JFY35NU6LUWHCBLCHWKUK47DQS

not attested not anchored not stored refs pending

Kayak: Safe Semantic Refactoring to Java Streams

Cristina David, Daniel Kroening, Pascal Kesseli

arxiv:1712.07388 v1 · 2017-12-20 · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JFY35NU6LUWHCBLCHWKUK47DQS}

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	2026-05-18T00:27:34.617194Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4971beb69e5d2c7105623d954573e38498484b8b7f9590294bd134dd68fb4c2c

Aliases

arxiv: 1712.07388 · arxiv_version: 1712.07388v1 · doi: 10.48550/arxiv.1712.07388 · pith_short_12: JFY35NU6LUWH · pith_short_16: JFY35NU6LUWHCBLC · pith_short_8: JFY35NU6

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/JFY35NU6LUWHCBLCHWKUK47DQS \
  | 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: 4971beb69e5d2c7105623d954573e38498484b8b7f9590294bd134dd68fb4c2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f26b0bd8381df9095e3ee651d1ccaef5bcb1dca8ea32519868899e4c976cd571",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-12-20T09:51:41Z",
    "title_canon_sha256": "c8470007371e56026bbaecfcdd69c786c3248a813764d1ef10c08f1656c3f3fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.07388",
    "kind": "arxiv",
    "version": 1
  }
}