Pith Number

pith:HSQZ4ZNT

pith:2017:HSQZ4ZNTOEHSMBD2HTRFTFL2PU

not attested not anchored not stored refs pending

Linear Haskell: practical linearity in a higher-order polymorphic language

Arnaud Spiwack, Jean-Philippe Bernardy, Mathieu Boespflug, Ryan R. Newton, Simon Peyton Jones

arxiv:1710.09756 v2 · 2017-10-26 · 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{HSQZ4ZNTOEHSMBD2HTRFTFL2PU}

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	2026-05-18T00:31:02.259747Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ca19e65b3710f26047a3ce259957a7d33858c5cab25a01316bd06f99080d845

Aliases

arxiv: 1710.09756 · arxiv_version: 1710.09756v2 · doi: 10.48550/arxiv.1710.09756 · pith_short_12: HSQZ4ZNTOEHS · pith_short_16: HSQZ4ZNTOEHSMBD2 · pith_short_8: HSQZ4ZNT

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/HSQZ4ZNTOEHSMBD2HTRFTFL2PU \
  | 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: 3ca19e65b3710f26047a3ce259957a7d33858c5cab25a01316bd06f99080d845

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bda2ff3597e19d41893e22570155d86259065489d88b50baff7b8a1ab9ff0dfb",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2017-10-26T15:28:32Z",
    "title_canon_sha256": "2f1cc55a1d4e9f9111a269ce9fa48f7ea0295da8b818c7803e249e7017a97513"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.09756",
    "kind": "arxiv",
    "version": 2
  }
}