Pith Number

pith:E66ZVKG3

pith:2011:E66ZVKG3HQM6PL336Y5Q3LQKU2

not attested not anchored not stored refs pending

From nominal sets binding to functions and lambda-abstraction: connecting the logic of permutation models with the logic of functions

Gilles Dowek, Murdoch Gabbay

arxiv:1111.4611 v1 · 2011-11-20 · 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{E66ZVKG3HQM6PL336Y5Q3LQKU2}

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	2026-05-18T03:24:54.422502Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

27bd9aa8db3c19e7af7bf63b0dae0aa6bb8e35405617a1170d23d0fd87f7d140

Aliases

arxiv: 1111.4611 · arxiv_version: 1111.4611v1 · doi: 10.48550/arxiv.1111.4611 · pith_short_12: E66ZVKG3HQM6 · pith_short_16: E66ZVKG3HQM6PL33 · pith_short_8: E66ZVKG3

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/E66ZVKG3HQM6PL336Y5Q3LQKU2 \
  | 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: 27bd9aa8db3c19e7af7bf63b0dae0aa6bb8e35405617a1170d23d0fd87f7d140

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a4a7c25ce03d9189fd5d17e72c79d35441b74fc3c6368cee8cc22861c97d0309",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-11-20T06:12:35Z",
    "title_canon_sha256": "0c9e7e2d7e62ac42ef8650d976980a3968049a19dccd483e467fa77b8079c3b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4611",
    "kind": "arxiv",
    "version": 1
  }
}