Pith Number

pith:NRI3SIRD

pith:1998:NRI3SIRDGPXRHJV5TPGATV4TIZ

not attested not anchored not stored refs pending

Correspondences between Classical, Intuitionistic and Uniform Provability

Gopalan Nadathur

arxiv:cs/9809015 v1 · 1998-09-10 · 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{NRI3SIRDGPXRHJV5TPGATV4TIZ}

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	2026-05-18T01:06:48.848692Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c51b9222333ef13a6bd9bcc09d7934663203848419419ee0c5d6e75b6906a92

Aliases

arxiv: cs/9809015 · arxiv_version: cs/9809015v1 · doi: 10.48550/arxiv.cs/9809015 · pith_short_12: NRI3SIRDGPXR · pith_short_16: NRI3SIRDGPXRHJV5 · pith_short_8: NRI3SIRD

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/NRI3SIRDGPXRHJV5TPGATV4TIZ \
  | 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: 6c51b9222333ef13a6bd9bcc09d7934663203848419419ee0c5d6e75b6906a92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "56115af09a4490387b46f46601ee3fc0e2229a0ec57221fa1228ff58884f6aab",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "1998-09-10T15:39:30Z",
    "title_canon_sha256": "5e165e4b8e12865f3b895009a9b38c44d6a3900cfddab7b6224fbe07581e2da0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/9809015",
    "kind": "arxiv",
    "version": 1
  }
}