Pith Number

pith:VU6KKL5F

pith:2026:VU6KKL5FREAZSTINPZXKIB4LRF

not attested not anchored not stored refs pending

Constructive proofs for the standard translation of many-sorted to unsorted predicate logic

Hrafn Valt\'yr Oddsson

arxiv:2603.18216 v2 · 2026-03-18 · math.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{VU6KKL5FREAZSTINPZXKIB4LRF}

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	2026-05-20T00:04:28.653969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad3ca52fa58901994d0d7e6ea4078b8948fd950bb3a2e12b6b49d7bc6aa41e22

Aliases

arxiv: 2603.18216 · arxiv_version: 2603.18216v2 · doi: 10.48550/arxiv.2603.18216 · pith_short_12: VU6KKL5FREAZ · pith_short_16: VU6KKL5FREAZSTIN · pith_short_8: VU6KKL5F

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/VU6KKL5FREAZSTINPZXKIB4LRF \
  | 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: ad3ca52fa58901994d0d7e6ea4078b8948fd950bb3a2e12b6b49d7bc6aa41e22

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23a8c402db5689cc260460b118beaf8ce75ba4e014a727009ddfcd1ca11b876c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2026-03-18T19:02:20Z",
    "title_canon_sha256": "11f25a809ae8f4948d10ec8a6d9d27c8f88310df665c11f05c8d7d4f2f0fe62a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.18216",
    "kind": "arxiv",
    "version": 2
  }
}