Pith Number

pith:MI2NW3HJ

pith:2016:MI2NW3HJ4OFFFI4VEQB3DVD5FH

not attested not anchored not stored refs pending

Just-in-Time Static Type Checking for Dynamic Languages

Brianna M. Ren, Jeffrey S. Foster

arxiv:1604.03641 v1 · 2016-04-13 · 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{MI2NW3HJ4OFFFI4VEQB3DVD5FH}

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	2026-05-18T01:17:12.100694Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6234db6ce9e38a52a3952403b1d47d29e12d979ed1f33b91add6af78bcafc1bc

Aliases

arxiv: 1604.03641 · arxiv_version: 1604.03641v1 · doi: 10.48550/arxiv.1604.03641 · pith_short_12: MI2NW3HJ4OFF · pith_short_16: MI2NW3HJ4OFFFI4V · pith_short_8: MI2NW3HJ

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/MI2NW3HJ4OFFFI4VEQB3DVD5FH \
  | 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: 6234db6ce9e38a52a3952403b1d47d29e12d979ed1f33b91add6af78bcafc1bc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "224723b320a4014287412e0322079b6f070e3d6b4d25ef69a94d9b56c45eae0b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-04-13T03:04:17Z",
    "title_canon_sha256": "d20b67a868c7d688948bed5b368af201d2364da70fc125af1397f9160b518fb4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.03641",
    "kind": "arxiv",
    "version": 1
  }
}