Pith Number

pith:PWQPH5RD

pith:2016:PWQPH5RDX6CJGMAJP2476AJPQW

not attested not anchored not stored refs pending

The Guarded Lambda-Calculus: Programming and Reasoning with Guarded Recursion for Coinductive Types

Ale\v{s} Bizjak, Denmark), Hans Bugge Grathwohl, Lars Birkedal (Aarhus University, Ranald Clouston

arxiv:1606.09455 v2 · 2016-06-30 · cs.LO · 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{PWQPH5RDX6CJGMAJP2476AJPQW}

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	2026-05-17T23:51:23.706273Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7da0f3f623bf849330097eb9ff012f85a319e1171281d5abf762b066efaf7b2b

Aliases

arxiv: 1606.09455 · arxiv_version: 1606.09455v2 · doi: 10.48550/arxiv.1606.09455 · pith_short_12: PWQPH5RDX6CJ · pith_short_16: PWQPH5RDX6CJGMAJ · pith_short_8: PWQPH5RD

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/PWQPH5RDX6CJGMAJP2476AJPQW \
  | 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: 7da0f3f623bf849330097eb9ff012f85a319e1171281d5abf762b066efaf7b2b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3b8773bc6049cdd2335c7041b0817fd76dd7b3b53beecd8144f0ba6022758cd",
    "cross_cats_sorted": [
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-06-30T12:22:29Z",
    "title_canon_sha256": "5f6f784519937c7dc7f6a6204a38eccd2ce49eb077c35fdf1389570cab939c46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.09455",
    "kind": "arxiv",
    "version": 2
  }
}