Pith Number

pith:CZQYUZ22

pith:2017:CZQYUZ2247RY4YBIPGHPUJRFSE

not attested not anchored not stored refs pending

Congruence Closure in Intensional Type Theory

Daniel Selsam, Leonardo de Moura

arxiv:1701.04391 v2 · 2017-01-16 · 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{CZQYUZ2247RY4YBIPGHPUJRFSE}

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	2026-05-18T00:44:51.773879Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16618a675ae7e38e6028798efa26259136a8dc8a2457f97d37f14fa59a4f4df3

Aliases

arxiv: 1701.04391 · arxiv_version: 1701.04391v2 · doi: 10.48550/arxiv.1701.04391 · pith_short_12: CZQYUZ2247RY · pith_short_16: CZQYUZ2247RY4YBI · pith_short_8: CZQYUZ22

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/CZQYUZ2247RY4YBIPGHPUJRFSE \
  | 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: 16618a675ae7e38e6028798efa26259136a8dc8a2457f97d37f14fa59a4f4df3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "51ff1dde03a90c10fd854e9bbdd8e39f2955bdd3faaafb1e065d11b0a7cbd471",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-01-16T18:40:09Z",
    "title_canon_sha256": "bc02fd2e6a2598d17f81f28ade2566b946f36e2b14af39493229d53883553ae0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.04391",
    "kind": "arxiv",
    "version": 2
  }
}