Pith Number

pith:LGBBPNWR

pith:2018:LGBBPNWR5RY5BC4L353TI3FOGJ

not attested not anchored not stored refs pending

Unification nets: canonical proof net quantifiers

Dominic J. D. Hughes

arxiv:1802.03224 v1 · 2018-02-09 · math.LO · 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{LGBBPNWR5RY5BC4L353TI3FOGJ}

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	2026-05-18T00:23:58.232900Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

598217b6d1ec71d08b8bdf77346cae326bca92af9990a6e2ca9a0a25ab8acea9

Aliases

arxiv: 1802.03224 · arxiv_version: 1802.03224v1 · doi: 10.48550/arxiv.1802.03224 · pith_short_12: LGBBPNWR5RY5 · pith_short_16: LGBBPNWR5RY5BC4L · pith_short_8: LGBBPNWR

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/LGBBPNWR5RY5BC4L353TI3FOGJ \
  | 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: 598217b6d1ec71d08b8bdf77346cae326bca92af9990a6e2ca9a0a25ab8acea9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b68a3ab212f21ad7f861814244bedaea05d1a39cd31c8c83bbc505cfc13f23d1",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-02-09T12:18:56Z",
    "title_canon_sha256": "2e82e24e853a8f31cc4130e9821be74149d504772aab6eac8ee29be9564ca7f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03224",
    "kind": "arxiv",
    "version": 1
  }
}