Pith Number

pith:GJNLAKHX

pith:2016:GJNLAKHXZQ4RZMVQZJUEIAABEG

not attested not anchored not stored refs pending

A note on strong normalization in classical natural deduction

Jos\'e Esp\'irito Santo (Centro de Matem\'atica, Universidade do Minho)

arxiv:1606.06387 v1 · 2016-06-21 · 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{GJNLAKHXZQ4RZMVQZJUEIAABEG}

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	2026-05-18T01:12:11.048956Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

325ab028f7cc391cb2b0ca6844000121a10c9a5a5bd7c8b4fc7ac516d0a6e443

Aliases

arxiv: 1606.06387 · arxiv_version: 1606.06387v1 · doi: 10.48550/arxiv.1606.06387 · pith_short_12: GJNLAKHXZQ4R · pith_short_16: GJNLAKHXZQ4RZMVQ · pith_short_8: GJNLAKHX

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/GJNLAKHXZQ4RZMVQZJUEIAABEG \
  | 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: 325ab028f7cc391cb2b0ca6844000121a10c9a5a5bd7c8b4fc7ac516d0a6e443

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f20343db1256f8a0ffe73878d1bdc0ee62bde055de3392025dd9cfabf0e7d7ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2016-06-21T00:50:21Z",
    "title_canon_sha256": "3dca481353313e896b00a8984c2e41e996fc764f42fc2d95aa33cd1cdce4072f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1606.06387",
    "kind": "arxiv",
    "version": 1
  }
}