Pith Number

pith:24DFEX7C

pith:2018:24DFEX7C2N6L7TBNIF6O5G4CPH

not attested not anchored not stored refs pending

Infinitary propositional relevant languages with absurdity

Guillermo Badia

arxiv:1809.08153 v1 · 2018-09-21 · 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{24DFEX7C2N6L7TBNIF6O5G4CPH}

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	2026-05-18T00:05:10.237023Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d706525fe2d37cbfcc2d417cee9b8279fc912cc4ef911a6214b81d264b719ea0

Aliases

arxiv: 1809.08153 · arxiv_version: 1809.08153v1 · doi: 10.48550/arxiv.1809.08153 · pith_short_12: 24DFEX7C2N6L · pith_short_16: 24DFEX7C2N6L7TBN · pith_short_8: 24DFEX7C

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/24DFEX7C2N6L7TBNIF6O5G4CPH \
  | 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: d706525fe2d37cbfcc2d417cee9b8279fc912cc4ef911a6214b81d264b719ea0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a458282413a279783bf1cf9e86b0783c83319bd0fba79c021bdc4a706db4e053",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.LO",
    "submitted_at": "2018-09-21T14:47:29Z",
    "title_canon_sha256": "b1ffb94e9b88da94179cf98921febd4c289749a8160d33b0153a7f94b905f257"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08153",
    "kind": "arxiv",
    "version": 1
  }
}