Pith Number

pith:LV5QMCGX

pith:2017:LV5QMCGX6HUM6452C2SG5THBET

not attested not anchored not stored refs pending

DroidStar: Callback Typestates for Android Classes

Arjun Radhakrishna, Bor-Yuh Evan Chang, Damien Zufferey, Krishna Chaitanya Sripada, Nicholas V. Lewchenko, Pavol \v{C}ern\'y, Sergio Mover, Shawn Meier

arxiv:1701.07842 v3 · 2017-01-26 · cs.LO · cs.LG · 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{LV5QMCGX6HUM6452C2SG5THBET}

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	2026-05-18T00:22:11.155137Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5d7b0608d7f1e8cf73ba16a46ecce124d312c4866a76db0878e08b7ef693c869

Aliases

arxiv: 1701.07842 · arxiv_version: 1701.07842v3 · doi: 10.48550/arxiv.1701.07842 · pith_short_12: LV5QMCGX6HUM · pith_short_16: LV5QMCGX6HUM6452 · pith_short_8: LV5QMCGX

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/LV5QMCGX6HUM6452C2SG5THBET \
  | 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: 5d7b0608d7f1e8cf73ba16a46ecce124d312c4866a76db0878e08b7ef693c869

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a51fa560d780b55e1ad912ea26e340f80984cce68f920fe9a520aacbf4f03120",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-01-26T19:06:45Z",
    "title_canon_sha256": "b15ef989e4f3732f90553a857910e0d18861ba395d635b315a0e118a9f537fe1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.07842",
    "kind": "arxiv",
    "version": 3
  }
}