Pith Number

pith:TDM2RHT4

pith:2021:TDM2RHT4TKP6Z7HZYGMI6C2J5E

not attested not anchored not stored refs pending

Interpreting Lambda Calculus in Domain-Valued Random Variables

Dana Scott, Prakash Panangaden, Radu Mardare, Robert Furber

arxiv:2112.06339 v3 · 2021-12-12 · 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{TDM2RHT4TKP6Z7HZYGMI6C2J5E}

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	2026-07-09T01:19:33.240736Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98d9a89e7c9a9fecfcf9c1988f0b49e92e08433da6d33e84e2cb9b12f62923b9

Aliases

arxiv: 2112.06339 · arxiv_version: 2112.06339v3 · doi: 10.48550/arxiv.2112.06339 · pith_short_12: TDM2RHT4TKP6 · pith_short_16: TDM2RHT4TKP6Z7HZ · pith_short_8: TDM2RHT4

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/TDM2RHT4TKP6Z7HZYGMI6C2J5E \
  | 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: 98d9a89e7c9a9fecfcf9c1988f0b49e92e08433da6d33e84e2cb9b12f62923b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2a26530f94e6d0f4e63c5e5cbad7ac552ce4f789a6e4c51b4cc22c02f7388ff",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2021-12-12T22:26:22Z",
    "title_canon_sha256": "a5bde0bf341ef01c6f3fd2c8e27d02a6aabc06bb9632fea1693053969bbf90d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.06339",
    "kind": "arxiv",
    "version": 3
  }
}