Pith Number

pith:6HUKF3GM

pith:1998:6HUKF3GM7KVNAN5EQJHMWRJSLT

not attested not anchored not stored refs pending

Uniform Provability in Classical Logic

Gopalan Nadathur

arxiv:cs/9809014 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{6HUKF3GM7KVNAN5EQJHMWRJSLT}

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	2026-05-18T02:37:36.594159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1e8a2ecccfaaad037a4824ecb45325ce3b070a787bb399ce92865bdfa5b0225

Aliases

arxiv: cs/9809014 · arxiv_version: cs/9809014v1 · doi: 10.48550/arxiv.cs/9809014 · pith_short_12: 6HUKF3GM7KVN · pith_short_16: 6HUKF3GM7KVNAN5E · pith_short_8: 6HUKF3GM

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/6HUKF3GM7KVNAN5EQJHMWRJSLT \
  | 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: f1e8a2ecccfaaad037a4824ecb45325ce3b070a787bb399ce92865bdfa5b0225

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7408946383e12d1140d90f1b7595f4987a2d3d0bd1807a077b9de184af158bcf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "cs.LO",
    "submitted_at": "1998-09-10T15:17:05Z",
    "title_canon_sha256": "4ee3adbb5bdd1c7e9e3c268d183223d294b1e17453de39240440320126178680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/9809014",
    "kind": "arxiv",
    "version": 1
  }
}