Pith Number

pith:KBO2IYNM

pith:2019:KBO2IYNMRQVSANKSEE5HTZD2VM

not attested not anchored not stored refs pending

The Semantics of Rank Polymorphism

Justin Slepak, Olin Shivers, Panagiotis Manolios

arxiv:1907.00509 v1 · 2019-07-01 · 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{KBO2IYNMRQVSANKSEE5HTZD2VM}

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	2026-05-17T23:41:51.417890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

505da461ac8c2b203552213a79e47aab15fe1556c5062470f5bd2f520c278639

Aliases

arxiv: 1907.00509 · arxiv_version: 1907.00509v1 · doi: 10.48550/arxiv.1907.00509 · pith_short_12: KBO2IYNMRQVS · pith_short_16: KBO2IYNMRQVSANKS · pith_short_8: KBO2IYNM

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/KBO2IYNMRQVSANKSEE5HTZD2VM \
  | 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: 505da461ac8c2b203552213a79e47aab15fe1556c5062470f5bd2f520c278639

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b3ba959097eff0a3bb66bdc62a08e796a62af065f2fd225d045a603250de51a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2019-07-01T01:42:53Z",
    "title_canon_sha256": "58cd7eeb823ed95a426c945b8a9bc938da568097deafa0a9e7eb9708823a18fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.00509",
    "kind": "arxiv",
    "version": 1
  }
}