Pith Number

pith:HBXWF5T4

pith:2016:HBXWF5T47BYYGJAOONMGWSYMM3

not attested not anchored not stored refs pending

COGENT: Certified Compilation for a Functional Systems Language

Alex Hixon, Christine Rizkallah, Gabriele Keller, Gerwin Klein, Japheth Lim, Liam O'Connor, Sidney Amani, Thomas Sewell, Toby Murray, Yutaka Nagashima, Zilin Chen

arxiv:1601.05520 v1 · 2016-01-21 · cs.PL · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HBXWF5T47BYYGJAOONMGWSYMM3}

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	2026-05-18T01:22:13.623408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

386f62f67cf87183240e73586b4b0c66f9da6be5c11e9cce8e3c6600e245fbb2

Aliases

arxiv: 1601.05520 · arxiv_version: 1601.05520v1 · doi: 10.48550/arxiv.1601.05520 · pith_short_12: HBXWF5T47BYY · pith_short_16: HBXWF5T47BYYGJAO · pith_short_8: HBXWF5T4

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/HBXWF5T47BYYGJAOONMGWSYMM3 \
  | 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: 386f62f67cf87183240e73586b4b0c66f9da6be5c11e9cce8e3c6600e245fbb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1622169ec0ac41e7cff9171aaea8f9b5e1df08a92ebc96530d4adaae60937a2",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-01-21T05:54:07Z",
    "title_canon_sha256": "b84a20c420d2d5e617970f2ae34cf9de44ac616fda28da64ab00fec35cef1844"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05520",
    "kind": "arxiv",
    "version": 1
  }
}