Pith Number

pith:J7WIDLDM

pith:2012:J7WIDLDMLIV2TP6X4J4CIO6NI4

not attested not anchored not stored refs pending

Abstract Effects and Proof-Relevant Logical Relations

Martin Hofmann, Nick Benton, Vivek Nigam

arxiv:1212.5692 v1 · 2012-12-22 · 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{J7WIDLDMLIV2TP6X4J4CIO6NI4}

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	2026-05-18T03:37:51.740205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4fec81ac6c5a2ba9bfd7e278243bcd470ad8fa2de32bc27292e2ad64d6e495f5

Aliases

arxiv: 1212.5692 · arxiv_version: 1212.5692v1 · doi: 10.48550/arxiv.1212.5692 · pith_short_12: J7WIDLDMLIV2 · pith_short_16: J7WIDLDMLIV2TP6X · pith_short_8: J7WIDLDM

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/J7WIDLDMLIV2TP6X4J4CIO6NI4 \
  | 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: 4fec81ac6c5a2ba9bfd7e278243bcd470ad8fa2de32bc27292e2ad64d6e495f5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "92775888a78258109d882bc727467bdd83f16cd13a2d13152cb4b340a18795d1",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2012-12-22T13:54:02Z",
    "title_canon_sha256": "309cb3fd86e05f7f3b79870aa69176e988ec84c552da44a81c41ef8fb750e181"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.5692",
    "kind": "arxiv",
    "version": 1
  }
}